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Космические корабли и станции, автоматические КА и методы их проектирования, бортовые комплексы управления, системы и средства жизнеобеспечения, особенности технологии производства ракетно-космических систем

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Применить Всего найдено 370. Отображено 100.
19-01-2012 дата публикации

NANOWIRE LIGHT CONCENTRATORS FOR PERFORMING RAMAN SPECTROSCOPY

Номер: US20120013903A1
Автор: Fattal David A., KOBAYASHI Nobuhiko, Kuo Huei Pei, Li Jingjing, Li Zhiyong, WANG Shih-Yuan
Принадлежит:

Embodiments of the present invention are directed to systems for performing surface-enhanced Raman spectroscopy. In one embodiment, a system () for performing Raman spectroscopy comprises a substrate () substantially transparent to a range of wavelengths of electromagnetic radiation and a plurality of nanowires () disposed on a surface of the substrate. The nanowires are substantially transparent to the range of wavelengths of electromagnetic radiation. The system includes a material disposed on each of the nanowires. The electromagnetic radiation is transmitted within the substrate, into the nanowires, and emitted from the ends of the nanowires to produce enhanced Raman scattered light from molecules located on or in proximity to the material. 1100400600800900950. A system ( , , , , ,) for performing Raman spectroscopy comprising:{'b': '102', 'a substrate () substantially transparent to a range of wavelengths of electromagnetic radiation;'}{'b': 104', '602, 'a plurality of nanowires (,) disposed on a surface of the substrate, the nanowires substantially transparent to the range of wavelengths of electromagnetic radiation; and'}a material disposed on each of the nanowires, wherein the electromagnetic radiation is transmitted within the substrate, into the nanowires, and emitted from the ends of the nanowires to produce enhanced Raman scattered light from molecules located on or in proximity to the material.2402802. The system of further comprising a reflective layer ( claim 1 ,) disposed on a surface of the substrate opposite the surface upon which the nanowires are disposed claim 1 , wherein the electromagnetic radiation is applied to the system so that the radiation enters the substrate through the same surface upon which the nanowires are disposed claim 1 , is reflected off of the reflective layer into the nanowires claim 1 , and is emitted from the ends of the nanowires to produce enhanced Raman scattered light from molecules located on or in proximity to the ...

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Номер записи: 1
01-03-2012 дата публикации

OPTICAL DEVICES FOR SURFACE ENHANCED RAMAN SPECTROSCOPY

Номер: US20120050731A1
Автор: Fattal David A., Li Zhiyong, Xia Qiangfei
Принадлежит:

An optical device for surface enhanced Raman spectroscopy includes a substrate, and at least one antenna established thereon. The at least one antenna including at least two segments, where each segment is formed of a metal having a predetermined volume and a predetermined contact angle with respect to the substrate. A gap is located between the two segments. The gap has a controllable size such that the at least one antenna resonates at a predetermined frequency that corresponds with the gap. 1. An optical device for surface enhanced Raman spectroscopy , comprising:a substrate; and at least two segments, each segment formed of a metal having a predetermined volume and a predetermined contact angle with respect to the substrate; and', 'a gap located between the two segments, the gap having a controllable size such that the at least one antenna resonates at a predetermined frequency that corresponds with the gap, the gap size being controllable via heating until the at least two segments and the substrate are in a state of equilibrium., 'at least one antenna established on the substrate, the at least one antenna including2. The optical device as defined in wherein each of the at least two segments has a predetermined geometry that is at least partially controlled by the predetermined contact angle.3. The optical device as defined in wherein the substrate includes a physical template or a chemical template that is configured to at least partially control the predetermined geometry of each of the at least two segments.4. The optical device as defined in wherein the gap has an initial size and a final size claim 1 , and wherein the final size is smaller than the initial size.5. The optical device as defined in wherein the initial size is formed via lithography claim 4 , wherein the final size is formed via heating of the two segments claim 4 , and wherein the final size is smaller than that achievable via lithography.6. The optical device as defined in wherein the gap ...

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Номер записи: 2
03-05-2012 дата публикации

APPARATUS FOR PERFORMING SERS

Номер: US20120105841A1
Автор: Hu Min, Li Zhiyong, Ou Fung Suong, Stuke Michael Josef, THYLEN LARS HELGE, WANG Shih-Yuan, Wu Wei
Принадлежит:

An apparatus for performing surface enhanced Raman spectroscopy (SERS) includes a substrate and a plurality of nano-pillars, each of the plurality of nano-pillars having a first end attached to the substrate, a second end located distally from the substrate, and a body portion extending between the first end and the second end, in which the plurality of nano-pillars are arranged in an array on the substrate, and in which each of the plurality of nano-pillars is formed of a polymer material that is functionalized to expand in the presence of a fluid to cause gaps between the plurality of nano-pillars to shrink when the fluid is supplied onto the nano-pillars. 1. An apparatus for performing surface enhanced Raman spectroscopy (SERS) , said apparatus comprising:a substrate; anda plurality of nano-pillars, each of the plurality of nano-pillars having a first end attached to the substrate, a second end located distally from the substrate, and a body portion extending between the first end and the second end, wherein the plurality of nano-pillars are arranged in an array on the substrate, and wherein each of the plurality of nano-pillars is formed of a polymer material that is functionalized to expand in the presence of a fluid to cause gaps between the plurality of nano-pillars to shrink when the fluid is supplied onto the nano-pillars.2. The apparatus according to claim 1 , wherein claim 1 , prior to expansion claim 1 , each of the plurality of nano-pillars is arranged a sufficient distance apart from neighboring ones of the plurality of nano-pillars to enable the fluid to be introduced into the gaps between the plurality of nano-pillars and claim 1 , subsequent to expansion claim 1 , the gap between a plurality of the plurality of nano-pillars becomes sufficiently small to amplify emission of Raman signal from a molecule trapped between the plurality of nano-pillars.3. The apparatus according to claim 1 , further comprising:SERS-active nano-particles disposed on the ...

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Номер записи: 3
03-05-2012 дата публикации

PREVENTING ADHESION BETWEEN NANOSTRUCTURES

Номер: US20120107569A1
Автор: Hu Min, Li Zhiyong, Ou Fung Suong, Stuke Michael Josef, THYLEN LARS HELGE, WANG Shih-Yuan, Wu Wei
Принадлежит:

A device for Surface Enhanced Raman Scattering (SERS). The device includes a plurality of nanostructures protruding from a surface of a substrate, a SERS active metal disposed on a portion of said plurality of nanostructures, and a low friction film disposed over the plurality of nanostructures and the SERS active metal. The low friction film is to prevent adhesion between the plurality of nanostructures. 1. A device for Surface Enhanced Raman Scattering (SERS) , said device comprising:a plurality of nanostructures protruding from a surface of a substrate;a SERS active metal disposed on a portion of said plurality of nanostructures; anda low friction film disposed over said plurality of nanostructures and said SERS active metal, wherein said low friction film is to prevent adhesion between said plurality of nanostructures.2. The device of claim 1 , wherein said SERS active metal is selected from a group consisting of: silver claim 1 , gold claim 1 , platinum and copper.3. The device of claim 1 , wherein said SERS active metal is disposed on a tip of said plurality of nanostructures.4. The device of claim 1 , wherein said low friction film comprises:a thickness less than two nanometers.5. The device of claim 1 , wherein said low friction film is selected from a{'sub': 4', '2', '4, 'group consisting of: CF, CF, and diamond-like carbon.'}6. The device of claim 1 , further comprising:a nanostructure detacher to detach attached nanostructures of said plurality of nanostructures.7. The device of claim 6 , wherein said nanostructure detacher comprises:a piezoelectric substrate.8. The device of claim 6 , wherein said nanostructure detacher comprises:a heater for generating thermal expansion of said attached nanostructures.9. The device of claim 6 , wherein said nanostructure detacher comprises:a magnet for generating a magnetic field to said attached nanostructures.10. A method for preventing adhesion between a plurality of nanostructures claim 6 , said method comprising: ...

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Номер записи: 4
03-05-2012 дата публикации

Luminescent chemical sensor integrated with at least one molecular trap

Номер: US20120107948A1
Автор: Huei Pei Kuo, Michael Josef Stuke, Shih-Yuan Wang, Zhiyong Li
Принадлежит: Hewlett Packard Development Co LP

A luminescent chemical sensor integrated with at least one molecular trap. The luminescent chemical sensor includes at least one molecular trap and at least one metallic-nanofinger device integrated with at least one molecular trap. The molecular trap includes a plurality of electrodes that trap at least one analyte molecule. The metallic-nanofinger device includes a substrate, and a plurality of nanofingers coupled with the substrate. A nanofinger of the plurality includes a flexible column, and a metallic cap coupled to an apex of the flexible column. At least the nanofinger and a second nanofinger of the plurality of nanofingers are to self-arrange into a close-packed configuration with the analyte molecule. A method for using, and a chemical-analysis apparatus including the luminescent chemical sensor are also provided.

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Номер записи: 5
10-05-2012 дата публикации

NANOWIRE-BASED SYSTEMS FOR PERFORMING RAMAN SPECTROSCOPY

Номер: US20120113419A1
Автор: Fattal David A., KOBAYASHI Nobuhiko, Kuo Huei Pei, Li Jingjing, Li Zhiyong, WANG Shih-Yuan
Принадлежит:

Embodiments of the present invention are directed to nanowire-based systems for performing surface-enhanced Raman spectroscopy. In one embodiment, a system comprises a substrate () having a surface and a plurality of tapered nanowires () disposed on the surface. Each nanowire has a tapered end directed away from the surface. The system also includes a plurality of nanoparticles () disposed near the tapered end of each nanowire. When each nanowire is illuminated with light of a pump wavelength, Raman excitation light is emitted from the tapered end of the nanowire to interact with the nanoparticles and produce enhanced Raman scattered light from molecules located in close proximity to the nanoparticles. 1100. A system () for performing surface-enhanced Raman spectroscopy comprising:{'b': '102', 'a substrate () having a surface;'}{'b': '104', 'a plurality of tapered nanowires () disposed on the surface, each nanowire having a tapered end directed away from the surface; and'}{'b': '110', 'a plurality of nanoparticles () disposed on each nanowire, wherein when each nanowire is illuminated with light of a pump wavelength, Raman excitation light is emitted from the tapered end of the nanowire to interact with the nanoparticles and produce enhanced Raman scattered light from molecules located in close proximity to the nanoparticles.'}2302306310. The system of wherein the nanowires further comprise one or more light emitters ( claim 1 , claim 1 ,) that emit Raman excitation light when illuminated with light of the pump wavelength.3. The system of wherein the light emitter further comprises at least one of: a quantum well claim 2 , a quantum dot claim 2 , an atom claim 2 , and a molecule that emit the Raman excitation light when illuminated with light of the pump wavelength.4. The system of wherein the nanowires are configured so that the Raman excitation light is reflected toward the tapered end of the nanowires.5. The system of wherein the nanowires further comprise a ...

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Номер записи: 6
10-05-2012 дата публикации

ELECTRICALLY DRIVEN DEVICES FOR SURFACE ENHANCED RAMAN SPECTROSCOPY

Номер: US20120113420A1
Автор: Bratkovski Alexander M., Hu Min, Kuo Huei Pei, Li Zhiyong, WANG Shih-Yuan
Принадлежит:

An electrically driven device () for surface enhanced Raman spectroscopy includes a first electrode (), a substrate () positioned proximate to the first electrode (), a plurality of cone shaped protrusions (′) formed integrally with or on a substrate surface (S), a Raman signal-enhancing material () coated on each protrusion (′), and a second electrode () positioned relative to the first electrode () at a predetermined distance, D. Each of the protrusions (′) has a tip () with a radius of curvature, r, ranging from about 0.1 nm to about 100 nm. The second electrode () is positioned relative to the first electrode () such that the electrodes () together produce an electric field (EF) when a voltage bias is applied therebetween. The electric field (EF) has a field distribution that creates a stronger field gradient at a region proximate to the tips () than at other portions of the substrate (). 11010. An electrically driven device () for surface enhanced Raman spectroscopy , the device () comprising:{'b': '16', 'a first electrode ();'}{'b': 12', '16', '12', '12', '12', '22, 'a substrate () positioned proximate to the first electrode (), the substrate () having a plurality of cone shaped protrusions (′) formed integrally with or on a surface (S) thereof, each of the plurality of cone shaped protrusions (′) having a tip () with a radius of curvature, r, ranging from about 0.1 nm to about 100 nm;'}{'b': 14', '12, 'a Raman signal-enhancing material () coated on each of the plurality of cone shaped protrusions (′); and'}{'b': 18', '16', '16', '18', '16', '18, 'a second electrode () positioned relative to the first electrode () at a predetermined distance, D, such that the first and second electrodes (, ) together produce an electric field (EF) when a voltage bias is applied between the electrodes (, );'}{'b': 22', '12', '12, 'the electric field (EF) having a field distribution that creates a stronger field gradient at a region proximate to the tip () of each cone shaped ...

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Номер записи: 7
17-05-2012 дата публикации

Sensing devices

Номер: US20120119315A1
Автор: Fung Suong Ou, Huei Pei Kuo, Min Hu, Zhiyong Li
Принадлежит: Individual

A sensing device ( 10, 10 ′) includes a substrate ( 14 ), and first and second electrodes (E IC , E ICS , E O ) established on the substrate ( 14 ). The first electrode (E IC , E ICS ) has a three-dimensional shape, and the second electrode (E O ) is electrically isolated from and surrounds a perimeter of the first electrode (E IC , E ICS ).

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Номер записи: 8
21-06-2012 дата публикации

SURFACE ENHANCED RAMAN SPECTROSCOPY SYSTEM

Номер: US20120154791A1
Автор: Kuo Huei Pei, Li Zhiyong, Williams R. Stanley
Принадлежит:

A surface enhanced Raman spectroscopy system includes a surface enhanced Raman spectroscopy substrate and a laser source configured to emit light within a spectrum of wavelengths toward a predetermined species on or near the surface enhanced Raman spectroscopy substrate. The system further includes a set of filters positioned to be in optical communication with light scattered after the laser light interacts with the predetermined species. Each of the filters in the set is respectively configured to pass scattered light within a different predetermined narrow band of wavelengths. The system also includes a plurality of photodetectors, where each photodetector is positioned adjacent to a respective one of the filters in the set and is configured to output a signal if the scattered light passes through the respective one of the filters. The set of filters is targeted for detection of characteristic peaks of the predetermined species. 1. A surface enhanced Raman spectroscopy system , comprising:a surface enhanced Raman spectroscopy substrate;a laser source configured to emit light within a spectrum of wavelengths toward a predetermined species on or near the surface enhanced Raman spectroscopy substrate;a set of filters positioned to be in optical communication with light scattered after the laser light interacts with the predetermined species, each of the filters in the set being respectively configured to pass scattered light within a different predetermined narrow band of wavelengths; anda plurality of photodetectors, each photodetector being positioned adjacent to a respective one of the filters in the set and being configured to output a signal if the scattered light passes through the respective one of the filters;wherein the set of filters is targeted for detection of characteristic peaks of the predetermined species.2. The surface enhanced Raman spectroscopy system as defined in wherein the set of filters is a removable set of filters.3. The surface enhanced ...

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Номер записи: 9
26-07-2012 дата публикации

NANOROD SURFACE ENHANCED RAMAN SPECTROSCOPY APPARATUS, SYSTEM AND METHOD

Номер: US20120188539A1
Автор: Hu Min, Kuo Huei Pei, Li Zhiyong, Ou Fung Suong, Stuke Michael J., WANG Shih-Yuan
Принадлежит:

A nanorod surface enhanced Raman spectroscopy (SERS) apparatus, system and method of SERS using nanorods that are activated with a key. The nanorod SERS apparatus includes a plurality of nanorods, an activator to move the nanorods from an inactive to an active configuration and the key to trigger the activator. The nanorod SERS system further includes a Raman signal detector and an illumination source. The method of SERS using nanorods includes activating a plurality of nanorods with the key, illuminating the activated plurality of nanorods, and detecting a Raman scattering signal when the nanorods are in the active configuration. 1. A nanorod surface enhanced Raman spectroscopy (SERS) apparatus comprising:a plurality of nanorods arranged in an array, each nanorod having a tip at a free end opposite to an end of the nanorod that is attached to a substrate, the tip being configured to adsorb an analyte;an activator to move the nanorods of the plurality between an inactive configuration and an active configuration; anda key to trigger the activator.2. The nanorod SERS apparatus of claim 1 , wherein the tip of the nanorods comprises a Raman-active material layer coating to further enhance Raman scattering from a vicinity of the tip.3. The nanorod SERS apparatus of claim 1 , wherein the nanorods further comprise a nanoparticle attached to the tip claim 1 , the nanoparticle to adsorb the analyte.4. The nanorod SERS apparatus of claim 3 , wherein the active configuration comprises tips of adjacent nanorods being in close proximity to one another.5. The nanorod SERS apparatus of claim 1 , wherein the activator comprises a spring tension in nanorods that when released allows the nanorods to become substantially straightened into the active configuration claim 1 , the nanorods being in the inactive configuration prior to being released.6. The nanorod SERS of claim 5 , wherein the key comprises a latch that constrains the nanorods until the latch is released to trigger action ...

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Номер записи: 10
30-08-2012 дата публикации

Method to Form a Device by Constructing a Support Element on a Thin Semiconductor Lamina

Номер: US20120220068A1
Автор: Hilali Mohamed M., Jackson Kathy J., Li Zhiyong, Murali Venkatesan, Petti Christopher J., Prabhu Gopalakrishna, Smick Theodore
Принадлежит: TWIN CREEKS TECHNOLOGIES, INC.

A semiconductor assembly is described in which a support element is constructed on a surface of a semiconductor lamina. Following formation of the thin lamina, which may have a thickness about 50 microns or less, the support element is formed, for example by plating, or by application of a precursor and curing in situ, resulting in a support element which may be, for example, metal, ceramic, polymer, etc. This is in contrast to pre-formed support element which is affixed to the lamina following its formation, or to a donor wafer from which the lamina is subsequently cleaved. 1. A method to fabricate a device , the method comprising the steps of:providing a monocrystalline semiconductor lamina having a thickness about 50 microns or less, the lamina having a first surface and a second surface opposite the first;constructing a permanent support element on the first surface of the lamina; andfabricating a device.2. The method of wherein the device is a photovoltaic cell claim 1 , and wherein the lamina comprises a base in the photovoltaic cell.3. The method of wherein the lamina has a thickness between about 4 microns and about 20 microns.4. The method of wherein the lamina is monocrystalline silicon.5. The method of wherein the step of constructing a permanent support element comprises the steps of:applying a ceramic mixture to the first surface; andcuring the mixture to form the permanent support element;wherein the permanent support element comprises ceramic.6. The method of wherein the step of constructing a permanent support element comprises the steps of:applying polymer in liquid form to the first surface; andcuring the polymer, wherein the permanent support element comprises the polymer.7. The method of wherein the step of constructing a permanent support element comprises the step of:applying a metal to the first surface, wherein the permanent support element comprises the metal.8. The method of wherein the step of applying a metal comprises electroplating a ...

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Номер записи: 11
25-10-2012 дата публикации

CONFIGURABLE GRATING BASED ON COLLAPSING NANO-FINGERS

Номер: US20120268736A1
Автор: Beausoieil Raymond G., Fattal David A., Li Zhiyong
Принадлежит:

A configurable grating based on collapsing nano-fingers includes a substrate; and a plurality of bendable nano-fingers supported on the substrate. The nano-fingers may be formed in a regular first array and the nano-fingers may be formed in a spacing that, upon closing at their tops, forms a second array to act as an optical grating or a diagnostic tool. A method of fabricating a configurable optical grating based on collapsing nano-fingers is also disclosed, as well as a method of determining an open or closed state for a plurality of nano-fingers. 1. A configurable grating based on collapsing nano-fingers including:a substrate; anda plurality of bendable nano-fingers supported on the substrate, the nano-fingers formed in a regular first array, the nano-fingers formed in a spacing that, upon closing at their tops, forms a second array to act as an optical grating or a diagnostic tool.2. The configurable grating of in which the nano-fingers may be repeatably opened and closed to form a reconfigurable grating.3. The configurable grating of wherein in an open state claim 1 , the nano-fingers are in a tetragonal configuration having a period given by Λ and in a closed state claim 1 , the nano-fingers are in a tetramer configuration having a period given by 2Λ.4. The configurable grating of wherein in an open state claim 3 , the nano-fingers are in a tetragonal configuration having a period given by Λ and in a closed state claim 3 , the nano-fingers are in a dimer configuration having a period in one direction given by 2Λ and a period in an orthogonal direction given by Λ.5. The configurable grating of wherein in an open state claim 1 , the nano-fingers are in a hexagonal configuration having a period given by Λ and in a closed state claim 1 , the nano-fingers are in a trigonal configuration having a period given by 2Λ.6. The configurable grating of wherein in an open state claim 5 , the nano-fingers are in a hexagonal configuration having a period given by Λ and in a ...

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Номер записи: 12
01-11-2012 дата публикации

PROCESS CARTRIDGE

Номер: US20120275824A1
Автор: CAO JIANXIN, DING Geming, GU WEIDONG, Li Xiong, LI Yonghong, Li Zhiyong, Liu Xiaobing
Принадлежит:

The invention relates to a process cartridge, which comprises a process cartridge housing, a photosensitive member, a driving force receiving opening, a retractable mechanism and a control mechanism, wherein the photosensitive member is arranged inside the process cartridge housing; the driving force receiving opening is connected with the photosensitive member and provides a driving force for the photosensitive member; the retractable mechanism allows the driving force receiving opening to extend or retract in the axial direction of the photosensitive member; and the control mechanism controls the extension and retraction of the retractable mechanism. 1. A process cartridge , comprising a process cartridge housing , a photosensitive member arranged inside said process cartridge housing , a driving force receiving opening connected with said photosensitive member and providing a driving force for said photosensitive member , and a retractable mechanism allowing said driving force receiving opening to extend or retract in the axial direction of said photosensitive member , wherein said process cartridge also comprises a control mechanism for controlling the extension and retraction of said retractable mechanism.2. The process cartridge according to claim 1 , wherein said retractable mechanism is controlled by said control mechanism to extend or retract in the axial direction of said photosensitive member claim 1 , via one of an external force claim 1 , solenoid valve or flexible traction.3. The process cartridge according to claim 1 , wherein said photosensitive member and said process cartridge housing do not slide relative to each other; and one end of said retractable mechanism is connected with said photosensitive member while the other end of said retractable mechanism is connected with said driving force receiving opening.4. The process cartridge according to claim 1 , wherein said control mechanism comprises a first elastic component and a press rod which is ...

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Номер записи: 13
08-11-2012 дата публикации

SELF-COLLECTING SERS SUBSTRATE

Номер: US20120281212A1
Автор: Fattal David, Li Zhiyong
Принадлежит:

A self-collecting substrate () for surface enhanced Raman spectroscopy having a first surface () and a second surface () opposed thereto, comprising: a waveguiding layer (′) supported on a support layer (″), with the waveguiding layer associated with the first surface and the support layer associated with the second surface; and a plurality of metal nano-antennae () established on the first surface and operatively associated with the plurality of openings such that exposure of analyte () to the light causes preferential aggregation of the analystes in the vicinity of the nano-antennae. A system () for at least one of attracting the analytes 18) to the metal nano-antennae () and performing surface enhanced Raman spectroscopy using the substrate () and a method for increasing a signal for surface enhanced Raman spectroscopy are provided. 1101010ab. A self-collecting substrate () for surface enhanced Raman spectroscopy having a first surface () and a second surface () opposed thereto , comprising:{'b': 10', '10, 'a waveguiding layer (′) supported on a support layer (″), with the waveguiding layer associated with the first surface and the support layer associated with the second surface; and'}{'b': 14', '18, 'a plurality of metal nano-antennae () established on the first surface such that exposure of analyte () to the light causes preferential aggregation of the analyte in the vicinity of the nano-antennae.'}2101210. The substrate () of further comprising a resonant grating () comprising a plurality of openings in a periodic array formed in the waveguiding layer (′) claim 1 ,{'b': '14', 'wherein the plurality of nano-antennae () is operatively associated with the plurality of openings.'}3101412. The substrate () of wherein the metal nano-antennae () are spaced between the openings of the resonant grating ().4101212. The substrate () of wherein the resonant grating () has an opening-to-opening period within a range of 200 to 500 nm and wherein the openings of the ...

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Номер записи: 14
29-11-2012 дата публикации

Autonomous light amplifying device for surface enhanced raman spectroscopy

Номер: US20120300202A1
Автор: David A. Fattal, Jingjing Li, Shih-Yuan Wang, Zhiyong Li
Принадлежит: Hewlett Packard Development Co LP

An autonomous light amplifying device for surface enhanced Raman spectroscopy includes a dielectric layer, at least one laser cavity defined by at least one light confining mechanism formed in the dielectric layer, at least one nano-antenna established on the dielectric layer in proximity to the at least one laser cavity, and a gain region positioned in the dielectric layer or adjacent to the dielectric layer.

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Номер записи: 15
24-01-2013 дата публикации

APPARATUS HAVING NANO-FINGERS OF DIFFFERENT PHSYICAL CHARACTERISTICS

Номер: US20130021605A1
Автор: Hu Min, Li Zhiyong, Ou Fung Suong, Wu Wei, Yi Wei
Принадлежит:

An apparatus includes a substrate and a plurality of nano-fingers attached at respective first ends to the substrate and freely movable along their lengths, in which a first set of the plurality of nano-fingers comprises a first physical characteristic, wherein a second set of the plurality of nano-fingers comprises a second physical characteristic, and wherein the first physical characteristic differs from the second physical characteristic. 1. An apparatus comprising:a substrate; anda plurality of nano-fingers attached at respective first ends to the substrate and freely movable along their lengths, wherein a first set of the plurality of nano-fingers comprises a first physical characteristic, wherein a second set of the plurality of nano-fingers comprises a second physical characteristic, and wherein the first physical characteristic differs from the second physical characteristic.2. The apparatus according to claim 1 , wherein the first physical characteristic and the second physical characteristic comprise at least one of length and width.3. The apparatus according to claim 2 , wherein the first physical characteristic and the second physical characteristic comprise length claim 2 , and wherein the first set of the plurality of nano-fingers comprises a length that differs by greater than or equal to about 50 nm from the length of the second set of the plurality of nano-fingers.4. The apparatus according to claim 1 , further comprising:a plurality of first sets of the plurality of nano-fingers; anda plurality of second sets of the plurality of nano-fingers.5. The apparatus according to claim 4 , wherein the plurality of first sets and the plurality of second sets are arranged in a predetermined configuration on the substrate.6. The apparatus according to claim 1 , wherein the plurality of nano-fingers have a length of in the range of about 50 nm to 2 μm claim 1 , a diameter in the range of about 10 nm to 1 μm claim 1 , and a spacing of about 10 to 500 nm at the ...

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Номер записи: 16
31-01-2013 дата публикации

SELF-ARRANGING, LUMINESCENCE-ENHANCEMENT DEVICE FOR SURFACE-ENHANCED LUMINESCENCE

Номер: US20130027698A1
Автор: Hu Min, Li Zhiyong, Ou Fung Suong, Wu Wei
Принадлежит:

A self-arranging, luminescence-enhancement device for surface-enhanced luminescence. The self-arranging, luminescence-enhancement device for surface-enhanced luminescence includes a substrate and a plurality of flexible columnar structures. A flexible columnar structure - of the plurality includes a flexible column -A, and a metallic cap -B coupled to the apex - C of the flexible column -A. At least the flexible columnar structure - and a second flexible columnar structure - are configured to self-arrange into a close-packed configuration with at least one molecule - disposed between at least the metallic cap -B and a second metallic cap -B of respective flexible columnar structure - and second flexible columnar structure - 1. A self-arranging , luminescence-enhancement device for surface-enhanced luminescence , said device comprising:a substrate; and a flexible column; and', 'a metallic cap coupled to an apex of said flexible column;, 'a plurality of flexible columnar structures, a flexible columnar structure of said plurality comprisingwherein at least said flexible columnar structure and a second flexible columnar structure of said plurality of flexible columnar structures are configured to self-arrange into a close-packed configuration with at least one molecule disposed between at least said metallic cap and a second metallic cap of respective flexible columnar structure and second flexible columnar structure.2. The self-arranging claim 1 , luminescence-enhancement device of claim 1 , wherein at least one metallic cap of a plurality of metallic caps is configured to enhance luminescence from a molecule disposed in close proximity to said metallic cap.3. The self-arranging claim 1 , luminescence-enhancement device of claim 1 , wherein at least one metallic cap of said plurality of metallic caps is composed of a constituent selected from the group consisting of copper claim 1 , silver claim 1 , aluminum and gold claim 1 , or any combination of copper claim 1 , ...

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Номер записи: 17
14-02-2013 дата публикации

IONIC DEVICES WITH INTERACTING SPECIES

Номер: US20130037773A1
Автор: Bratkovski Alexandre M., Li Zhiyong, Strukov Dmitri B., Williams R. Stanley
Принадлежит:

An ionic device includes a layer () of an ionic conductor containing first and second species () of impurities. The first species () of impurity in the layer () is mobile in the ionic conductor, and a concentration profile of the first species () determines a functional characteristic of the device (). The second species () of impurity in the layer () interacts with the first species () within the layer () to create a structure () that limits mobility of the first species () in the layer (). 1. A device comprising:{'b': '220', 'a layer () of an ionic conductor;'}{'b': 222', '220', '222', '222', '200, 'a first species () of impurity in the layer (), wherein the first species () is mobile in the ionic conductor, and a concentration profile of the first species () determines an operational characteristic of the device (); and'}{'b': 224', '220', '224', '222', '220', '226', '222', '220, 'a second species () of impurity in the layer (), wherein the second species () interacts with the first species () within the layer () to create a structure () that limits mobility of the first species () in the layer ().'}2222220. The device of claim 1 , wherein the first species () is charged and moves to change the concentration profile in response to a voltage applied across the layer ().3226222220. The device of claim 2 , wherein the structure () that limits mobility of the first species () becomes disassociated in response to the voltage applied across the layer ().4224222. The device of claim 2 , wherein the second species () has a charge of a polarity opposite to that of the first species ().5324. The device of claim 2 , wherein the second species () is uncharged.6324. The device of claim 2 , wherein the second species () is immobile in the ionic conductor.7220. The device of claim 1 , wherein the operational characteristic is a resistance or an optical property of the layer ().8224220222220. The device of claim 1 , wherein an average concentration of the second species () in ...

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Номер записи: 18
14-02-2013 дата публикации

MULTI-PILLAR STRUCTURE FOR MOLECULAR ANALYSIS

Номер: US20130040862A1
Автор: Hu Min, Li Zhiyong, Ou Fung Suong, Williams R. Stanley, Wu Wei
Принадлежит:

A multi-pillar structure for molecular analysis is provided. The structure comprises at least two nanopoles, each nanopole attached at one end to a substrate and freely movable along its length. The opposite ends of the at least two nanopoles are each capable of movement toward each other to trap at least one analyte molecule at their opposite ends. Each nanopole is coated with a metal coating. An array of such multi-pillar structures is also provided. A method for preparing the multi-pillar structure is further provided. 1. A multi-pillar structure for molecular analysis , the structure comprising at least two nanopoles each nanopole attached at one end to a substrate and freely movable along its length , the opposite ends of the at least two nanopoles each being capable of movement toward each other to trap at least one analyte molecule at their opposite ends , each nanopole coated with a metal coating.2. The multi-pillar structure of wherein an array of the structures on the substrate is provided.3. The multi-pillar structure of wherein the at least two nanopoles comprise a polymer selected from the group consisting of polymethyl methacrylate (PMMA) claim 1 , polycarbonate claim 1 , siloxane claim 1 , polydimethylsiloxane (PDMS) claim 1 , and photoresist.4. The multi-pillar structure of wherein the at least two nanopoles comprise an inorganic material selected from the group consisting of silicon oxide claim 1 , silicon claim 1 , silicon nitride claim 1 , silicon oxynitride claim 1 , alumina claim 1 , diamond claim 1 , diamond-like carbon claim 1 , aluminum claim 1 , and copper.5. The multi-pillar structure of wherein the at least two nanopoles comprise the same composition or different composition.6. The multi-pillar structure of wherein the nanopoles have a height of in the range of about 50 nm to 2 μm claim 1 , a diameter in the range of about 10 nm to 1 μm claim 1 , and a spacing of about 10 to 500 nm at the base of the poles.7. The multi-pillar structure of ...

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Номер записи: 19
21-03-2013 дата публикации

ASYMMETRICAL-NANOFINGER DEVICE FOR SURFACE-ENHANCED LUMINESCENSE

Номер: US20130070241A1
Автор: Li Zhiyong
Принадлежит:

An asymmetrical-nanofinger device for surface-enhanced luminescence. The device includes a substrate, and a plurality of nanofingers coupled with the substrate. The plurality of nanofingers includes a primary nanofinger having a primary active-material cap, and a secondary nanofinger having a secondary active-material cap. An average diameter of the primary active-material cap is substantially greater than an average diameter of the secondary active-material cap. The primary nanofinger and secondary nanofinger of the plurality of nanofingers are to self-arrange into a close-packed configuration with an analyte molecule disposed between the primary active-material cap and the secondary active-material cap. A method for fabricating the asymmetrical-nanofinger device, and an optical apparatus including an optical component that includes the asymmetrical-nanofinger device are also provided. 1. An asymmetrical-nanofinger device for surface-enhanced luminescence , said device comprising:a substrate; and a primary nanofinger of said plurality having a primary active-material cap; and', 'a secondary nanofinger of said plurality having a secondary active-material cap;', 'wherein an average diameter of said primary active-material cap is substantially greater than an average diameter of said secondary active-material cap; and, 'a plurality of nanofingers coupled with said substrate, comprisingwherein said primary nanofinger and said secondary nanofinger of said plurality of nanofingers are to self-arrange into a close-packed configuration with an analyte molecule disposed between said primary active-material cap and said secondary active-material cap.2. The asymmetrical-nanofinger device of claim 1 ,wherein said primary active-material cap is tuned to a frequency of exciting electromagnetic radiation; andsaid secondary active-material cap is tuned to a frequency of emitted electromagnetic radiation.3. The asymmetrical-nanofinger device of claim 1 ,wherein said secondary ...

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Номер записи: 20
18-04-2013 дата публикации

Probe having nano-fingers

Номер: US20130094020A1
Автор: Zhiyong Li
Принадлежит: Hewlett Packard Development Co LP

A probe for use in a sensing application includes an elongate body having a first end and a free end, wherein the first end is to be attached to a support. The probe also includes a plurality of nano-fingers having respective bases and tips, wherein each of the plurality of nano-fingers is attached to the free end and is composed of a flexible material, and wherein the plurality of nano-fingers are collapsed toward each other such that the tips of the plurality of nano-fingers are substantially in contact with each other.

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Номер записи: 21
25-04-2013 дата публикации

MOLECULAR FILTERS

Номер: US20130100436A1
Автор: Jackson Warren, Li Zhiyong
Принадлежит:

Molecular filters are disclosed herein. An example of the molecular filter includes a rolled substrate having an interior surface and opposed ends that are substantially orthogonal to the interior surface. The rolled substrate defines a layer and a fluid flow path extending from one of the opposed ends to another of the opposed ends. A template is positioned on the interior surface of the rolled substrate. The template includes a matrix, and molecule template locations formed in the matrix. 1. A molecular filter , comprising:a rolled substrate having an interior surface and opposed ends that are substantially orthogonal to the interior surface, the rolled substrate defining a layer and a fluid flow path extending from one of the opposed ends to an other of the opposed ends; and a matrix; and', 'molecule template locations formed in the matrix., 'a template positioned on the interior surface of the rolled substrate, the template including2. The molecular filter as defined in wherein:the filter is to be used in an optical system; andthe rolled substrate is an optically transparent material.3. The molecular filter as defined in wherein:the filter is to be used in an electrical system; andthe filter further comprises an electrode positioned on the interior surface of the rolled substrate and in contact with the template or on the surface of the template, the electrode extending from at least one of the opposed ends.4. The molecular filter as defined in wherein the matrix is selected from a polymer matrix and a host molecule matrix.5. The molecular filter as defined in wherein the rolled substrate defines a plurality of layers claim 1 , and wherein the molecular filter further comprises a spacer positioned on the template claim 1 , the spacer to further define the plurality of layers and the fluid flow path.6. The molecular filter as defined in wherein the molecule template locations are varied at least once along a length of the molecular filter that extends from the ...

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Номер записи: 22
02-05-2013 дата публикации

FREE-STANDING STRUCTURES FOR MOLECULAR ANALYSIS

Номер: US20130107250A1
Автор: Hu Min, Kim Ansoon, Li Zhiyong, Stuke Michael Josef, Wu Wei
Принадлежит:

A structure for molecular analysis is disclosed. The structure includes a nanostructure and a nanoparticle attached to the nanostructure, wherein the nanostructure is free-standing and wherein the nanoparticle, the nanostructure or both the nanoparticle and the nanostructure are coated with a metal coating; or a plurality of nanoparticles, wherein the plurality of nanoparticles is free-standing and wherein each nanoparticle in the plurality is coated with a metal coating and is separated from one other nanoparticle or two other nanoparticles by a distance of 0.5 nm to 1 nm. A method for preparing the structure for molecular analysis is also disclosed. 1. A structure including:a nanostructure and a nanoparticle attached to the nanostructure, wherein the nanostructure is free-standing and wherein the nanoparticle, the nanostructure or both the nanoparticle and the nanostructure are coated with a metal coating; ora plurality of nanoparticles, wherein the plurality of nanoparticles is free-standing and wherein each nanoparticle in the plurality is coated with a metal coating and is separated from one other nanoparticle or two other nanoparticles by a distance of 0.5 nm to 1 nm.2. The structure of wherein the nanostructure includes an organic material selected from the group consisting of thermoplastic polymers claim 1 , UV curable materials claim 1 , and a combination thereof.3. The structure of wherein the nanostructure includes an inorganic material selected from the group consisting of alumina claim 1 , aluminum claim 1 , copper claim 1 , diamond claim 1 , diamond-like carbon claim 1 , germanium claim 1 , silicon claim 1 , silicon nitride claim 1 , silicon oxide claim 1 , and silicon oxynitride.4. The structure of wherein the metal coating includes a material that supports surface plasmons.5. The structure of wherein the nanostructure is 10 nm to 10 micron in height and in diameter.6. The structure of wherein the nanoparticle includes a semiconducting material.7. The ...

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Номер записи: 23
16-05-2013 дата публикации

OPTICAL FIBER SURFACE ENHANCED RAMAN SPECTROSCOPY (SERS) PROBE

Номер: US20130120748A1
Автор: Hu Min, Li Zhiyong, Wu Wei
Принадлежит:

A surface enhanced Raman spectroscopy (SERS) probe apparatus and a method of SERS probing employ Raman-active surfaces of a plurality of nanoscale field concentrator (NFC) structures at a terminal end of an optical fiber. The SERS probe apparatus includes an optical fiber having an optical path and a terminal end that terminates the optical path. The SERS probe apparatus further includes a plurality of NFC structures and nanoparticles on surfaces of the plurality of NFC structures. First ends of the NFC structures are adjacent to the terminal end of optical fiber. The nanoparticles are Raman active to an analyte. 1. A surface enhanced Raman spectroscopy (SERS) probe apparatus comprising:an optical fiber having an optical path and a terminal end that terminates the optical path;a plurality of nanoscale field concentrator (NFC) structures, first ends of the NFC structures being adjacent to the terminal end of optical fiber; andnanoparticles on surfaces of the plurality of NFC structures, the nanoparticles being Raman-active to an analyte.2. The SERS probe apparatus of claim 1 , wherein the NFC structures of the plurality are negative NFC structures.3. The SERS probe apparatus of claim 1 , wherein the NFC structures of the plurality comprise a material of the terminal end of the optical fiber.4. The SERS probe apparatus of claim 1 , further comprising a grating between the terminal end of the optical fiber and the plurality of NFC structures claim 1 , the grating being selective for a Raman signal of the analyte.5. The SERS probe apparatus of claim 1 , wherein the optical fiber supports both a Raman signal and an illumination signal along the optical path.6. The SERS probe apparatus of claim 1 , further comprising another optical fiber having a terminal end adjacent to second ends of the plurality of NFC structures claim 1 , the second ends being opposite the first ends claim 1 , wherein the other optical fiber supports an illumination signal to illuminate the ...

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Номер записи: 24
23-05-2013 дата публикации

Composition Comprising Ligustroflavone, Rhoifolin and Hyperin and Its Pharmaceutical Application

Номер: US20130131000A1
Автор: Cheng Fan, Li Zhiyong, Liu Difa, Lv Wuqing, Tang Chunshan, Xie Ning, Yang Xiaoling, Ye Jingying
Принадлежит:

Disclosed is a composition comprising ligustroflavone, rhoifolin and hyperin, which is prepared according to rational weight ratio: 40% to 80% ligustroflavone, 5% to 45% rhoifolin and 1% to 40% hyperin. The composition can be used as a neuraminidase inhibitor for preventing and treating influenza, and can be formulated into pharmaceutically acceptable dosage forms. 2. The composition according to claim 1 , wherein the rational weight ratio is 45% to 75% ligustroflavone claim 1 , 10% to 40% rhoifolin and 5% to 35% hyperin.3. The composition according to claim 2 , wherein the rational weight ratio is 50% to 70% ligustroflavone claim 2 , 15% to 35% rhoifolin and 10% to 30% hyperin.4. The composition according to claim 3 , wherein the rational weight ratio is 55% to 65% ligustroflavone claim 3 , 20% to 30% rhoifolin and 15% to 25% hyperin.5. The composition according to claim 4 , wherein the rational weight ratio is 58% ligustroflavone claim 4 , 25% rhoifolin and 17% hyperin.6. A method for preventing claim 4 , treating influenza and its complications comprising administering a composition comprising a ligustroflavone claim 4 , a rhoifolin and a hyperin to a patient claim 4 , a rational weight ratio of the composition is 40% to 80% ligustroflavone claim 4 , 5% to 45% rhoifolin and 1% to 40% hyperin.7. The method according to claim 6 , wherein the composition is used to inhibit the influenza virus.8. The method according to claim 7 , wherein the composition is used to inhibit influenza virus FM1.9. The method according to claim 6 , wherein the composition is used to inhibit the neuraminidase.10. The method according to claim 6 , wherein the complication refers to the kidney failure.11. The method according to claim 6 , wherein the complication refers to the spleen injury or/and lung injury.12. A pharmaceutical composition comprising the composition claimed in the as active components and one or more pharmaceutically acceptable excipients.13. An extraction method of a ...

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Номер записи: 25
01-08-2013 дата публикации

APPARATUS FOR PERFORMING SPECTROSCOPY

Номер: US20130194570A1
Автор: Abbott, Hu Min, JR. James Elmer, Kim Ansoon, Li Zhiyong, Stuke Michael Josef, Wu Wei
Принадлежит:

An apparatus for performing spectroscopy includes an optical waveguide comprising a fluidic channel to receive a fluid sample, in which the optical waveguide is to propagate lightwaves at a set of frequencies. The apparatus also includes a wavelength selective device coupled to the optical waveguide, in which the wavelength selective device comprises a predetermined bandwidth and is to capture frequencies of light within the predetermined bandwidth. The apparatus further includes a detector coupled to the wavelength selective device to generate signals that identify the frequencies captured by the wavelength selective device. 1. An apparatus for performing spectroscopy comprising:an optical waveguide comprising a fluidic channel to receive a fluid sample, wherein the optical waveguide is to propagate lightwaves at a set of frequencies;a wavelength selective device coupled to the optical waveguide, wherein the wavelength selective device comprises a predetermined bandwidth and is to capture frequencies of light within the predetermined bandwidth; anda detector coupled to the wavelength selective device to generate signals that identify the frequencies captured by the wavelength selective device.2. The apparatus according to claim 1 , wherein the wavelength selective device comprises a ring resonator.3. The apparatus according to claim 1 , wherein the wavelength selective device comprises a distributed Bragg reflector.4. The apparatus according to claim 1 , wherein the wavelength selective device is tunable to different predetermined bandwidths and is to capture frequencies within the different predetermined bandwidths.5. The apparatus according to claim 1 , further comprising:a plurality of wavelength selective devices coupled to the optical waveguide, wherein each of the plurality of wavelength selective devices comprises one of a plurality of predetermined bandwidths of a predefined molecule.6. The apparatus according to claim 1 , further comprising:an illumination ...

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Номер записи: 26
01-08-2013 дата публикации

METALLIC-NANOFINGER DEVICE FOR CHEMICAL SENSING

Номер: US20130195721A1
Автор: Li Zhiyong, Williams R. Stanley
Принадлежит:

A metallic-nanofinger device for chemical sensing. The device includes a substrate, and a plurality of nanofingers. A nanofinger includes a flexible column, and a metallic cap coupled to an apex of the flexible column. At least the nanofinger and a second nanofinger are to self-arrange into a close-packed configuration with at least one analyte molecule disposed between at least the metallic cap and a second metallic cap of respective nanofinger and second nanofinger. A morphology of the metallic cap is to generate a shifted plasmonic-resonance peak associated with amplified luminescence from the analyte molecule. A coating encapsulating the metallic cap to respond upon exposure to a liquid, and a chemical-sensing chip including the metallic-nanofinger device are also provided. 1. A metallic-nanofinger device for chemical sensing , said device comprising:a substrate; and a flexible column; and', 'a metallic cap coupled to an apex of said flexible column;, 'a plurality of nanofingers coupled with said substrate, a nanofinger of said plurality comprisingwherein at least said nanofinger and a second nanofinger of said plurality of nanofingers are to self-arrange into a close-packed configuration with at least one analyte molecule disposed between at least said metallic cap and a second metallic cap of respective nanofinger and second nanofinger; andwherein a morphology of said metallic cap is to generate a shifted plasmonic-resonance peak associated with amplified luminescence from said analyte molecule.2. The metallic-nanofinger device of claim 1 , wherein said plasmonic-resonance peak associated with luminescence from said analyte molecule is shifted towards longer wavelengths of said shifted plasmonic-resonance peak.3. The metallic-nanofinger device of claim 1 , wherein said plasmonic-resonance peak associated with luminescence from said analyte molecule is shifted towards shorter wavelengths of said shifted plasmonic-resonance peak.4. The metallic-nanofinger device ...

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Номер записи: 27
01-08-2013 дата публикации

ELECTRICALLY DRIVEN DEVICES FOR SURFACE ENHANCED RAMAN SPECTROSCOPY

Номер: US20130196449A1
Автор: Barcelo Steven J., Gibson Gary, Kim Ansoon, Kuo Huei Pei, Li Zhiyong, Zhou Zhang-Lin
Принадлежит: Hewlett-Packard Development Company, L.P.

An electrically driven device for surface enhanced Raman spectroscopy includes a substrate, a Raman signal-amplifying structure positioned on the substrate, and an analyte receptor attached to a structure chosen from i) the Raman signal-amplifying structure, or ii) the substrate near the Raman signal-amplifying structure, or iii) combinations of i and ii. The analyte receptor has a selective binding affinity for an analyte. Conductive elements are positioned relative to one another and to the analyte receptor such that the conductive elements together produce an electric field in the vicinity of the analyte receptor when a voltage bias is applied between the conductive elements. 1. An electrically driven device for surface enhanced Raman spectroscopy , the device comprising:a substrate;a Raman signal-amplifying structure positioned on the substrate;an analyte receptor attached to a structure chosen from i) the Raman signal-amplifying structure, or ii) the substrate near the Raman signal-amplifying structure, or iii) combinations of i and ii, the analyte receptor having a selective binding affinity for an analyte; andconductive elements positioned relative to one another and to the analyte receptor such that the conductive elements together produce an electric field in the vicinity of the analyte receptor when a voltage bias is applied between the conductive elements.2. The electrically driven device as defined in wherein the analyte receptor is to reversibly bind the analyte.3. The electrically driven device as defined in wherein the selective binding affinity is weaker than a force to release from the analyte receptor the analyte bound thereto.4. The electrically driven device as defined in wherein the force is an electrophoretic force or a dielectrophoretic force.5. The electrically driven device as defined in wherein the analyte receptor is selected from the group consisting of positively charged 4-mercaptopyridinium claim 1 , cationic mercaptoalkyl amines claim ...

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Номер записи: 28
22-08-2013 дата публикации

Chemical-analysis device integrated with metallic-nanofinger device for chemical sensing

Номер: US20130217143A1
Автор: R. Stanley Williams, Zhiyong Li
Принадлежит: Hewlett Packard Development Co LP

A chemical-analysis device integrated with a metallic-nanofinger device for chemical sensing. The chemical-analysis device includes a metallic-nanofinger device, and a platform. The metallic-nanofinger device includes a substrate, and a plurality of nanofingers coupled with the substrate. A nanofinger of the plurality includes a flexible column, and a metallic cap coupled to an apex of the flexible column. At least the nanofinger and a second nanofinger of the plurality of nanofingers are to self-arrange into a close-packed configuration with at least one analyte molecule. A morphology of the metallic cap is to generate a shifted plasmonic-resonance peak associated with amplified luminescence from the analyte molecule. A method for using, and a chemical-analysis apparatus including the chemical-analysis device are also provided.

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Номер записи: 29
24-10-2013 дата публикации

SURFACE ENHANCED RAMAN SPECTROSCOPY CALIBRATION CURVE GENERATING SYSTEMS

Номер: US20130278928A1
Автор: Li Zhiyong, Mourey Devin Alexander, STASIAK James William
Принадлежит:

A surface enhanced Raman spectroscopy calibration curve generating system includes a SERS sensor, which includes a substrate and a plurality of sensing members formed on the substrate. Each of the sensing members includes a plurality of SERS signal amplifying structures. An inkjet dispensing device is to dispense different concentrations of a solution including a known analyte of interest onto the respective sensing members to form a concentration dependent array. A Raman spectrometer is to interrogate the concentration dependent array. A processor is operatively connected to each of the inkjet dispensing device and the Raman spectrometer. Computer-readable instructions are embedded on a non-transitory, tangible computer-readable medium and are executable by the processor. The computer-readable instructions are to automatically generate an intensity profile as a function of concentration for the concentration dependent array. 1. A surface enhanced Raman spectroscopy (SERS) calibration curve generating system , comprising: a substrate;', 'a plurality of sensing members formed on the substrate, each of the sensing members including a plurality of SERS signal amplifying structures;, 'a SERS sensor, includingan inkjet dispensing device to dispense different concentrations of a solution including a known analyte of interest onto the respective sensing members to form a concentration dependent array;a Raman spectrometer to interrogate the concentration dependent array;a processor operatively connected to each of the inkjet dispensing device and the Raman spectrometer; andcomputer-readable instructions embedded on a non-transitory, tangible computer-readable medium and executable by the processor, the computer-readable instructions to automatically generate an intensity profile as a function of concentration for the concentration dependent array.2. The system as defined in wherein the plurality of SERS signal amplifying structures include collapsible nano-pillars having a ...

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Номер записи: 30
24-10-2013 дата публикации

RAMAN SPECTROSCOPY

Номер: US20130278929A1
Автор: Bratkovski Alexandre M., Li Zhiyong, Williams R. Stanley
Принадлежит:

Apparatus, methods, and hollow metal waveguides to perform surface-enhanced Raman spectroscopy are disclosed. An example apparatus includes a hollow metal waveguide to direct Raman photons from an intermediate location within a volume of the hollow metal waveguide toward a distal end of the hollow metal waveguide, and a mirror to direct incident light from a light source to the intermediate location within the volume of the hollow metal waveguide and to direct at least some of the Raman photons toward the distal end. 1. An apparatus , comprising:a hollow metal waveguide to direct Raman photons from an intermediate location within a volume of the hollow metal waveguide toward a distal end of the hollow metal waveguide; anda mirror to direct incident light from a light source to the intermediate location within the volume of the hollow metal waveguide and to direct at least some of the Raman photons toward the distal end.2. An apparatus as defined in claim 1 , further comprising a spectrometer positioned at the distal end to collect at least some of the Raman photons.3. An apparatus as defined in claim 1 , further comprising a filter to permit the Raman photons to travel to the distal end and to at least partially block the incident light.4. An apparatus as defined in claim 1 , further comprising a light source claim 1 , wherein the light source is a vertical cavity surface emitting laser.5. An apparatus as defined in claim 1 , wherein at least one cross-section of the hollow metal waveguide has a generally parabolic shape.6. An apparatus as defined in claim 5 , wherein a cross-section of the hollow metal waveguide parallel to the distal end has a first dimension that is different than a second dimension of the cross-section.7. An apparatus as defined in claim 1 , further comprising a first light source and a second light source to generate second incident light at a second frequency claim 1 , wherein the mirror is to direct the second incident light approximately to ...

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Номер записи: 31
12-12-2013 дата публикации

METHODS FOR TEXTURING A SEMICONDUCTOR MATERIAL

Номер: US20130330871A1
Автор: Chen Liang, Li Zhiyong, Murali Venkatesan, Newman Bonna
Принадлежит: TWIN CREEKS TECHNOLOGIES, INC.

A method for modifying the texture of a semiconductor material is provided. The method includes performing a first texture step comprising reactive ion etching to a first surface of semiconductor material. After the first texture step, the first surface of the semiconductor material has a random texture comprising a plurality of peaks and a plurality of valleys, and wherein at least fifty percent of the first surface has a peak-to-valley height of less than one micron and an average peak-to-peak distance of less than one micron. Additional texture steps comprising wet etch or RIE etching may be optionally applied. 1. A method for modifying the texture of semiconductor material , the method comprising:a. providing a semiconductor lamina having a thickness between a first surface and a second surface;b. performing a first texture step comprising reactive ion etching to the first surface of the lamina, wherein after the first texture step, the first surface has a random texture comprising a plurality of peaks and a plurality of valleys, and wherein at least fifty percent of the first surface has a peak-to-valley height of less than one micron and an average peak-to-peak distance of less than one micron; andc. fabricating an electronic device, wherein the electronic device comprises the lamina.2. The method of wherein the electronic device is a photovoltaic cell having a base claim 1 , and wherein the base comprises the lamina.3. The method of wherein the step of providing the semiconductor lamina comprises:a) providing a donor body comprising a top surface;b) implanting ions into the top surface of the donor body to define a cleave plane;c) exfoliating the lamina from the donor body at the cleave plane, wherein the step of exfoliating the lamina forms the first surface of the lamina, wherein the first surface is opposite the top surface of the donor body, and wherein the top surface of the donor body becomes the second surface of the lamina.4. The method of wherein the ...

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Номер записи: 32
09-01-2014 дата публикации

APPARATUS FOR USE IN SENSING APPLICATIONS

Номер: US20140009758A1
Автор: Li Zhiyong, Naumov Ivan, Parvaresh Farzad
Принадлежит:

An apparatus for use in sensing applications includes a substrate and a plurality of clusters arranged in an aperiodic configuration on the substrate, wherein each of the plurality of clusters is formed of a plurality of Raman-active material nano-particles, and wherein each of the Raman-active material nano-particles is positioned in a substantially ordered configuration with respect to each other in each of the respective plurality of clusters. 1. An apparatus for use in sensing applications , said apparatus comprising:a substrate; anda plurality of clusters arranged in an aperiodic configuration on the substrate, wherein each of the plurality of clusters is formed of a plurality of Raman-active material nano-particles, and wherein each of the Raman-active o material nano-particles is positioned in a substantially ordered configuration with respect to each other in each of the respective plurality of clusters.2. The apparatus according to claim 1 , wherein the plurality of clusters are arranged in a predetermined aperiodic configuration that substantially maximizes coverage of the plurality of clusters on the substrate.3. The apparatus according to claim 1 , wherein the plurality of dusters are arranged in a predetermined aperiodic configuration that substantially avoids overlapping of the plurality of clusters on each other.4. The apparatus according to claim 1 , further comprising:a plurality of nano-fingers positioned on the substrate, wherein the plurality of nano-fingers are arranged in substantially the same configuration as the plurality of clusters and tips of the plurality nano-fingers in the respective clusters are collapsed toward each other, and wherein each of the Raman-active material nano-particles is positioned on a tip of one of the plurality of nano-fingers.5. The apparatus according to claim 1 , wherein the Raman-active material nano-particles are arranged in a pentamer configuration with respect to each other in each of the plurality of ...

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Номер записи: 33
23-01-2014 дата публикации

HYBRID NANOSTRUCTURES FOR MOLECULAR ANALYSIS

Номер: US20140024131A1
Автор: Kim Ansoon, Li Zhiyong, Williams Stanley R.
Принадлежит:

A hybrid nanostructure for molecular analysis is disclosed. The structure includes a plurality of nanofingers wherein each nanofinger is coated with a metal coating, is attached at one end to a substrate, and is freely bendable along its length such that the second ends of each nanofinger are capable of movement toward each other to form a cavity. The structure further includes a nanoparticle trapped in the cavity. An array of hybrid nanostructures and a method for fabricating the hybrid nanostructures are also disclosed. 1. A hybrid nanostructure for molecular analysis , the structure including:a plurality of nanofingers wherein each nanofinger is coated with a metal coating, is attached at one end to a substrate, and is freely bendable along its length such that the second ends of each nanofinger are capable of movement toward each other to form a cavity; anda nanoparticle trapped in the cavity.2. The hybrid nanostructure of wherein the plurality of nanofingers and the nanoparticle are arranged symmetrically claim 1 , less symmetrically or asymmetrically.3. The hybrid nanostructure of wherein an array of the hybrid nanostructures on the substrate is provided.4. The hybrid nanostructure of wherein the plurality of nanofingers includes a thermoplastic polymer claim 1 , a curable material claim 1 , or any combination thereof claim 1 , and wherein one nanofinger in the plurality of nanofingers either has the same composition or has a different composition than another nanofinger in the plurality of nanofingers.5. The hybrid nanostructure of wherein the plurality of nanofingers includes an inorganic material selected from the group consisting of alumina claim 1 , aluminum claim 1 , copper claim 1 , diamond claim 1 , diamond-like carbon claim 1 , germanium claim 1 , silicon claim 1 , silicon nitride claim 1 , silicon oxide claim 1 , and silicon oxynitride claim 1 , and wherein one nanofinger in the plurality of nanofingers has the same composition or has a different ...

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Номер записи: 34
30-01-2014 дата публикации

INTEGRATED SENSORS

Номер: US20140028995A1
Автор: Bratkovski Alexandre M., Li Zhiyong, Williams R. Stanley
Принадлежит:

Examples of integrated sensors are disclosed herein. An example of an integrated sensor includes a flexible substrate, and an array of spaced apart sensing members formed on a surface of the flexible substrate. Each of the spaced apart sensing members includes a plurality of polygon assemblies. The polygon assemblies are arranged in a controlled pattern on the surface of the flexible substrate such that each of the plurality of polygon assemblies is a predetermined distance from each other of the plurality of polygon assemblies, and each of the plurality of polygon assemblies including collapsible signal amplifying structures controllably positioned in a predetermined geometric shape. 1. An integrated sensor , comprising:a flexible substrate; andan array of spaced apart sensing members formed on a surface of the flexible substrate, each of the spaced apart sensing members including a plurality of polygon assemblies arranged in a controlled pattern on the surface of the flexible substrate such that each of the plurality of polygon assemblies is a predetermined distance from each other of the plurality of polygon assemblies, and each of the plurality of polygon assemblies including collapsible signal amplifying structures controllably positioned in a predetermined geometric shape.2. The integrated sensor as defined in wherein the predetermined geometric shape is a trigon claim 1 , a tetragon claim 1 , a pentagon claim 1 , a hexagon claim 1 , or a heptagon.3. The integrated sensor as defined in wherein the controlled pattern of the plurality of polygon assemblies includes an N×M array of the polygon assemblies claim 1 , wherein N and M are individually chosen from 2 to 2000.4. The integrated sensor as defined in wherein the collapsible signal amplifying structures include metal-capped polymer nano-pillars claim 1 , metal-coated polymer nanoflakes claim 1 , metal-coated mushroom-shaped nano-structures claim 1 , or metal-ringed polymer nano-pillars.5. The integrated ...

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Номер записи: 35
30-01-2014 дата публикации

ADJUSTABLE INTERSURFACE SPACING FOR SURFACE ENHANCED RAMAN SPECTROSCOPY

Номер: US20140029002A1
Автор: Barcelo Steven J., Bratkovski Alexandre M., Gibson Gary, Kim Ansoon, Kuo Huei Pei, Li Zhiyong, WANG Shih-Yuan, Williams R Stanley, Zhou Zhang-Lin
Принадлежит:

A sensor for surface enhanced Raman spectroscopy (SERS) sensor includes surfaces and an actuator to adjust an intersurface spacing between the surfaces to contain an analyte and allow the analyte to be released from containment. 1. A sensor for surface enhanced Raman spectroscopy (SERS) , the sensor comprising:a first surface;a second surface; andan actuator to adjust an intersurface spacing between the first and second surfaces to establish a first distance between the first and second surfaces to contain an analyte and a second distance between the first and second surfaces to allow the analyte to be released from containment.2. The sensor of claim 1 , further comprising a nanostructure to form at least part of the first surface.3. The sensor of claim 2 , wherein the nanostructure comprises a nanostructure selected from the group consisting of a nanowire claim 2 , a nanopost claim 2 , a roughened surface and a quantum dot.4. The sensor of claim 2 , further comprising an additional nanostructure to form at least part of the second surface.5. The sensor of claim 1 , further comprising a compliant layer disposed on at least one of the first and second substrates to cause the first and second surfaces to conform to each other.6. The sensor of claim 5 , wherein the compliant member comprises at least one of a film and a nanostructure.7. The sensor of claim 1 , further comprising:a nanostructure; anda metal disposed on the nanostructure to form one of the first and second surfaces.8. The sensor of claim 1 , further comprising:a nanostructure; anda dielectric layer disposed on the nanostructure to form one of the first and second surfaces.9. The sensor of claim 1 , wherein the actuator comprises an actuator selected from the group consisting of a piezoelectric-based actuator claim 1 , a memory metal-based actuator claim 1 , a microelectromechanical system (MEMS)-based sensor claim 1 , a pneumatic-based actuator claim 1 , a bimetallic-based actuator and a thermal ...

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Номер записи: 36
06-02-2014 дата публикации

ELECTRONIC AND PLASMONIC ENHANCEMENT FOR SURFACE ENHANCED RAMAN SPECTROSCOPY

Номер: US20140036262A1
Автор: Bratkovski Alexandre M., Gibson Gary, Kuo Huei Pei, Li Zhiyong, WANG Shih-Yuan, Williams R Stanley, Zhou Zhang-Lin
Принадлежит:

An apparatus for surface enhanced Raman spectroscopy includes a substrate, a nanostructure and a plasmonic material. The nanostructure and the plasmonic material are integrated together to provide electronic and plasmonic enhancement to a Raman signal produced by electromagnetic radiation scattering from an analyte. 1. An apparatus for surface enhanced Raman spectroscopy (SERS) , the apparatus comprising:a substrate;a nanostructure; anda plasmonic material,wherein the nanostructure and the plasmonic material are integrated together to provide electronic and plasmonic enhancement to a Raman signal produced by electromagnetic radiation scattering from an analyte.2. The apparatus of claim 1 , wherein the nanostructure comprises a Group II-VI or a Group III-V semiconductor.3. The apparatus of claim 1 , wherein the plasmonic material comprises a metal selected from gold claim 1 , silver claim 1 , aluminum claim 1 , copper claim 1 , palladium claim 1 , nickel and platinum.4. The apparatus of claim 1 , wherein the thickness of the plasmonic material is less than 100 nanometers.5. The apparatus of claim 1 , wherein the nanostructure comprises at least one of a quantum dot and a nanowire.6. The apparatus of claim 1 , further comprising a plurality of nanostructures including the nanostructure disposed on the substrate claim 1 , wherein the sizes of the nanostructures vary across the substrate.7. The apparatus of claim 1 , further comprising a plurality of nanostructures including the nanostructure disposed on the substrate claim 1 , wherein compositions of the nanostructures vary across the substrate.8. The apparatus of claim 7 , wherein the compositions comprise different semiconductor compositions.9. The apparatus of claim 1 , further comprising:a resonator disposed on the nanostructure.10. The apparatus of claim 9 , wherein the resonator comprises at least one of a Bragg mirror and a partial reflector.11. The apparatus of claim 10 , wherein the partial reflector has a ...

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Номер записи: 37
06-02-2014 дата публикации

APPARATUS FOR PERFORMING SPECTROSCOPY HAVING A POROUS MEMBRANE

Номер: US20140036263A1
Автор: Barcelo Steven J., Gibson Gary, Kim Ansoon, Li Zhiyong, Zhou Zhang-Lin
Принадлежит:

According to an example, an apparatus for performing spectroscopy includes a structure having an opening. The apparatus also includes a plurality of surface-enhanced Raman spectroscopy (SERS) elements positioned within the structure and a porous membrane covering the opening and the plurality of SERS elements. The porous membrane is to allow a predetermined analyte to reach the SERS elements while substantially preventing other analytes from reaching the SERS elements. 1. An apparatus for performing spectroscopy comprising:a structure having an opening;a plurality of surface-enhanced Raman spectroscopy (SERS) elements positioned within the structure; anda porous membrane covering the opening and the plurality of SERS elements, wherein the porous membrane is to allow a predetermined analyte to reach the SERS elements while substantially preventing other analytes from reaching the SERS elements.2. The apparatus according to claim 1 , wherein the porous membrane is formed of a material selected from a group consisting essentially of cellulose acetate claim 1 , urethane based polymer claim 1 , ethylene glycol based polymer claim 1 , heparin-functionalized polymer claim 1 , and a combination thereof.3. The apparatus according to claim 1 , wherein the porous membrane comprises a lipid bilayer supported on a porous sub-layer that covers the opening.4. The apparatus according to claim 1 , wherein the porous membrane comprises pores that are shaped that allow molecules having predetermined configurations to pass therethrough while preventing other molecules from passing therethrough.5. The apparatus according to claim 1 , wherein the porous membrane comprises functionalized receptors that bind to selected species in the fluid to thereby substantially prevent the selected species from entering into the opening of the structure.6. The apparatus according to claim 1 , wherein the structure comprises a plurality of openings and a plurality of porous membranes claim 1 , and ...

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Номер записи: 38
27-03-2014 дата публикации

SYSTEMS AND METHODS FOR SYNTHESIZING MOLECULES ON SUBSTRATES

Номер: US20140086806A1
Автор: KUEKES Philip J., Li Zhiyong
Принадлежит:

Systems and methods for synthesizing molecules on a substrate surface are disclosed. In one aspect, a molecule synthesizing system includes a crossbar array with a planar arrangement of crossbar junctions. Each crossbar junction is independently switchable between a high-resistance state and a low-resistance state. The system also includes a slab with a first surface and a second surface parallel to the first surface. The second surface is disposed on the crossbar array. A current applied to a crossbar junction in a high-resistance state creates an adjacent heated site on the first surface for attaching thermally reactive molecules for molecular synthesis. 1. A molecule synthesizing system comprising:a crossbar array having a planar arrangement of crossbar junctions, each crossbar junction independently switchable between a high-resistance state and a low-resistance state; anda slab having a first surface and a second surface parallel to the first surface, the second surface disposed on the crossbar array, wherein a current applied to a crossbar junction in a high-resistance state creates an adjacent heated site on the first surface for attaching thermally reactive molecules for molecular synthesis.2. The system of claim 1 , wherein each crossbar junction further comprises a memristor.3. The system of claim 1 , wherein the crossbar array further comprisesa first layer of approximately parallel wires;a second layer of approximately parallel wires overlaying the first layer, wherein each wire of the second layer overlays substantially all of the wires of the first layer; anda junction disposed between each pair of overlapping wires.4. The system of claim 1 , wherein the slab further comprises a porous material with a regular lattice of pores oriented substantially perpendicular to the crossbar array.5. The system of claim 1 , wherein the slab further comprises a porous material with an irregular lattice of pores oriented substantially perpendicular to the crossbar ...

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Номер записи: 39
01-01-2015 дата публикации

MOLECULAR SENSING DEVICE

Номер: US20150002842A1
Автор: Kim Ansoon, Li Zhiyong
Принадлежит:

A molecular sensing device includes a substrate; a well i) formed in a material that is positioned on a surface of the substrate or ii) formed in a surface of the substrate; a signal amplifying structure positioned in the well; and a molecular selective device removably positioned in operative contact with the well. 1. A molecular sensing device , comprising:a substrate;a well i) formed in a material that is positioned on a surface of the substrate or ii) formed in a surface of the substrate;a signal amplifying structure positioned in the well; anda molecular selective device removably positioned in operative contact with the well.2. The molecular sensing device as defined in wherein the molecular selective device is a membrane having a molecular weight threshold.3. The molecular sensing device as defined in wherein the membrane is chosen from a cellulose membrane and a porous inorganic membrane having a thickness equal to or less than 100 μm.4. The molecular sensing device as defined in wherein the membrane is removably bonded to areas of the substrate or the material adjacent to the well.5. The molecular sensing device as defined in wherein the molecular selective device is a solid extraction column including:a housing; anda molecular extraction material packed within the housing.6. The molecular sensing device as defined in claim 5 , further comprising a porous membrane connected to the housing to maintain the molecular extraction material within the housing.7. The molecular sensing device as defined in wherein the molecular extraction material is chosen from cross-linked polymer spheres claim 5 , silica spheres claim 5 , glass spheres claim 5 , alumina spheres claim 5 , polystyrene spheres claim 5 , functionalized spheres claim 5 , or combinations thereof.8. The molecular sensing device as defined in claim 1 , further comprising an inert fluid incorporated into the well.9. The molecular sensing device as defined in wherein the signal amplifying structure is a ...

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Номер записи: 40
05-01-2017 дата публикации

LED LAMP BEAD WIRE CLAMPING MOUNTING STRUCTURE

Номер: US20170003006A1
Автор: Huang Haixin, Li Degao, Li Zhiyong, Wang Wei, Zhou Feng
Принадлежит:

The invention relates to the technical field of Light-Emitting Diodes (LEDs), and in particular to an LED lamp bead wire clamping mounting structure. The LED lamp bead wire clamping mounting structure includes a mounting seat and wire clamping parts, wherein the mounting seat is provided with two accommodation grooves for mounting the wire clamping parts and a mounting groove for mounting an LED lamp bead; the wire clamping parts are arranged in the accommodation grooves; each wire clamping part is provided with a bottom wall, a lamp bead connecting terminal connected with the bottom wall, two sidewalls upwards extending from the bottom wall and a crosswise-folded clamping piece connected with one sidewall; and the crosswise-folded clamping pieces extend to the other sidewalls. 1121112122112212221232124232423. An Light-Emitting Diode (LED) lamp bead wire clamping mounting structure , comprising a mounting seat () and wire clamping parts () , wherein the mounting seat () is provided with two accommodation grooves () for mounting the wire clamping parts () and a mounting groove () for mounting an LED lamp bead; the wire clamping parts () are arranged in the accommodation grooves (); each wire clamping part () is provided with a bottom wall () , a lamp bead connecting terminal () connected with the bottom wall () , two sidewalls () upwards extending from the bottom wall () and a crosswise-folded clamping piece () connected with one sidewall (); and the crosswise-folded clamping pieces () extend to the other sidewalls ().224. The LED lamp bead wire clamping mounting structure according to claim 1 , wherein each wire clamping part comprises one crosswise-folded clamping piece ().324. The LED lamp bead wire clamping mounting structure according to claim 1 , wherein each wire clamping part comprises two crosswise-folded clamping pieces ().4212524. The LED lamp bead wire clamping mounting structure according to claim 1 , wherein the bottom walls () are provided with ...

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Номер записи: 41
07-01-2016 дата публикации

DEVICES TO DETECT A SUBSTANCE AND METHODS OF PRODUCING SUCH A DEVICE

Номер: US20160003732A1
Автор: Barcelo Steven J., GE NING, Kuo Huei Pei, Li Zhiyong
Принадлежит: Hewlett-Packard Development Company, L.P.

Devices to detect a substance and methods of producing such a device are disclosed. An example device to detect a substance includes an orifice plate defining a first chamber. A substrate is coupled to the orifice plate. The substrate includes nanostructures positioned within the first chamber. The nanostructures are to react to the substance when exposed thereto. A seal is to enclose at least a portion of the first chamber to protect the nanostructures from premature exposure. 1. A device to detect a substance , comprising:an orifice plate defining a first chamber;a substrate coupled to the orifice plate, the substrate comprising nanostructures positioned within the first chamber, the nanostructures to react to the substance when exposed thereto; anda seal to enclose at least a portion of the first chamber to protect the nanostructures from premature exposure.2. The device of claim 1 , wherein the orifice plate comprises at least one of nickel claim 1 , gold claim 1 , platinum claim 1 , palladium claim 1 , or rhodium.3. The device of claim 1 , wherein the nanostructures comprise at least one of pillar structures or conical structures.4. The device of claim 1 , wherein the orifice plate is electroplated with at least one of gold claim 1 , palladium claim 1 , or rhodium.5. The device of claim 1 , wherein the seal comprises at least one of a polymer material claim 1 , a flexible material claim 1 , or a removable material.6. The device of claim 1 , wherein the seal comprises a hermetic seal.7. The device of claim 1 , wherein the seal comprises at least one of polymer tape claim 1 , plastic claim 1 , foil claim 1 , a membrane claim 1 , wax claim 1 , or Polydimethylsiloxane.8. The device of claim 1 , wherein the substrate comprises at least one of a Surface Enhanced Raman spectroscopy substrate claim 1 , a self actuating Surface Enhanced Raman spectroscopy substrate claim 1 , an Enhanced Fluorescence spectroscopy substrate claim 1 , or an Enhanced Luminescence ...

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Номер записи: 42
07-01-2016 дата публикации

POLARIZATION SELECTIVE SURFACE ENHANCED RAMAN SPECTROSCOPY

Номер: US20160003748A1
Автор: Barcelo Steven J., Gibson Gary, Kuo Huei Pei, Li Zhiyong
Принадлежит:

Polarization selective surface enhanced Raman spectroscopy (SERS) includes a plurality of nanofingers arranged as a SERS multimer to exhibit a polarization-dependent plasmonic mode and one or both of a stimulus source and a Raman detector. The stimulus source is to illuminate the SERS multimer with a stimulus signal and the Raman detector is to detect a Raman scattering signal emitted by an analyte in a vicinity of the SERS multimer. One or both of the Raman scattering signal has a polarization state dictated by or associated with the polarization-dependent plasmonic mode and the stimulus signal has a polarization state corresponding to the polarization-dependent plasmonic mode. 1. A polarization selective surface enhanced Raman spectroscopy (SERS) system comprising:a SERS sensing substrate comprising a plurality of nanofingers arranged as a SERS multimer to exhibit a polarization-dependent plasmonic mode;a stimulus source to illuminate the SERS multimer with a stimulus signal; anda Raman detector to detect a Raman scattering signal emitted by an analyte in a vicinity of the SERS multimer, the Raman scattering signal having a polarization state associated with the polarization-dependent plasmonic mode,wherein one or both of the stimulus signal is polarized to preferentially stimulate the polarization-dependent plasmonic mode of the SERS multimer and the Raman detector is to discriminate between the polarization state of the Raman scattering signal and a different polarization state of a background noise signal.2. The polarization selective SERS system of claim 1 , wherein the nanofingers of the SERS multimer comprise a SERS-enhancing nanoparticle at a free end of the nanofingers opposite an end that is attached to a supporting surface of the SERS sensing substrate.3. The polarization selective SERS system of claim 2 , wherein the nanoparticle comprises a metal surface that is functionalized to preferentially adsorb the analyte.4. The polarization selective SERS ...

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Номер записи: 43
11-01-2018 дата публикации

SENSING A PROPERTY OF A FLUID

Номер: US20180009224A1
Автор: Chia Leong Yap, GE NING, Li Zhiyong, Wong Wai Mun
Принадлежит: Hewlett-Packard Development Company, L.P.

In an example, a device for sensing a property of a fluid may include an ion-sensitive field effect transistor (ISFET) having a gate, a source, and a drain. The device may also include a first metal element in contact with the gate and a switching layer in contact with the first metal layer. A resistance state of the switching layer is to be modified through application of an electrical field of at least a predefined strength through the switching layer and is to be retained in the switching layer following removal of the electrical field. The device may also include a metal plate in contact with the switching layer, in which the metal plate is to directly contact the fluid for which the property is to be sensed. 1. A device for sensing a property of a fluid , said device comprising:an ion-sensitive field effect transistor (ISFET) having a gate, a source, and a drain;a first metal element in contact with the gate;a switching layer in contact with the first metal layer, wherein a resistance state of the switching layer is to be modified through application of an electrical field of at least a predefined strength through the switching layer, and wherein the switching layer is to retain the resistance state following removal of the electrical field; anda metal plate in contact with the switching layer, wherein the metal plate is to directly contact the fluid for which the property is to be sensed.2. The device according to claim 1 , wherein the switching layer is formed of a switching material that has a first resistance state in which the switching layer has a first resistance level and a second resistance state in which the switching layer has a second resistance level claim 1 , wherein the first resistance level is lower than the second resistance level claim 1 , and wherein in the first resistance state claim 1 , the switching layer prevents a selected voltage from being established in the ISFET.3. The device according to claim 2 , wherein the switching layer is ...

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Номер записи: 44
14-01-2021 дата публикации

Oil-retaining mechanism, valve structure, and water outflow device

Номер: US20210010615A1
Автор: Chuanbao Zhu, Xuedong Wang, Zhiyong Li
Принадлежит: Xiamen Lota International Co Ltd

The present disclosure discloses an oil-retaining mechanism, a valve structure, and a water outflow device. The oil-retaining mechanism comprises a valve body, a valve shaft, and a sealing member. The valve body comprises a motion cavity. The valve shaft is disposed in the motion cavity and configured to move axially. The sealing member is disposed between a cavity wall of the motion cavity and the valve shaft. At least one of the cavity wall of the motion cavity, the sealing member, or a connection portion of the motion cavity, the sealing member, and the valve shaft extends inward to define an oil storage groove. The oil storage groove comprises an opening. An inner side of the opening stores lubricating oil. The opening cooperates with and contacts the outer circumferential surface of the valve shaft. When the valve shaft moves in the motion cavity, the lubricating oil lubricates the valve shaft.

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Номер записи: 45
18-01-2018 дата публикации

DYNAMIC LOGIC MEMCAP

Номер: US20180017870A1
Автор: GE NING, Li Zhiyong, Williams R. Stanley, Yang Jianhua
Принадлежит: Hewlett-Packard Development Company, L.P.

An integrated circuit may include a substrate with a plurality of transistors formed in the substrate. The plurality of transistors may be coupled to a first metal layer formed over the plurality of transistors. A plurality of high dielectric nanometer capacitors may be formed of memristor switch material between the first metal layer and a second metal layer formed over the plurality of high dielectric capacitors. The plurality of high dielectric capacitors may operate as memory storage cells in dynamic logic. 1. An integrated circuit , comprising:a substrate with a plurality of transistors formed in the substrate, the plurality of transistors coupled to a first metal layer formed over the plurality of transistors; anda plurality of high dielectric nanometer capacitors formed of memristor switch material creating an active region between the first metal layer and a second metal layer formed over the plurality of high dielectric memcaps, wherein the plurality of high dielectric memcaps are to operate as memory storage cells in dynamic logic.2. The integrated circuit of claim 1 , wherein the memristor switch material is formed of memristor switch oxide of the first metal layer and additionally operational as memristors.3. The integrated circuit of wherein the memristor switch material active region is formed of memristor switch elemental or compound semiconductor and doped with mobile dopants to allow for memristor operation.4. The integrated circuit of claim 2 , further comprising a second plurality of transistors coupled between respective plurality of high dielectric nanometer memcaps and a programming source to allow for programming the memristors.5. The integrated circuit of wherein the dynamic logic is to operate as a set of shift registers.6. The integrated circuit of wherein the set of shift registers is to control a set of fluid jet resistors.7. The integrated circuit of wherein the set of shift registers have set/reset functionality by programming the ...

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Номер записи: 46
18-01-2018 дата публикации

DATA STORAGE METHOD AND DEVICE

Номер: US20180020053A1
Автор: Li Zhiyong, Wang Baisheng, Xie Guangjun
Принадлежит:

The present disclosure provides a data storage method and device. The data storage method includes: receiving data by a simulating device from a client operating system; encapsulating the data in a user space of a host system according to a protocol used by a storage server; and sending the encapsulated data to the storage server for storage. The method can realize storing data in the storage server, thereby shortening the I/O path, improving the I/O throughput of a system, reducing the CPU load, and optimizing the system performance. 1. A method for data storage , comprising:receiving data by a simulating device from a client operating system;encapsulating by the simulating device, the data in a user space of a host system according to a protocol used by a storage server;sending by the simulating device, encapsulated data to the storage server for storage.2. The method according to claim 1 , wherein claim 1 , the simulating device is achieved on the host system based on a virtual machine monitor claim 1 , the simulating device is a block device of a Peripheral Component Interconnect standard PCI interface claim 1 , the client operating system is configured to drive the simulating device using a block device driver claim 1 , and the client operating system is running on the virtual machine monitor.3. The method according to claim 2 , wherein claim 2 , data is transferred between the simulating device and the client operating system by a means of sharing memory claim 2 , and data access is realized by passing a physical address of a memory stored with the data between the simulating device and the client operating system.4. The method according to claim 1 , wherein claim 1 , sending the encapsulated data to the storage server for storage comprises:sending the encapsulated data by the simulating device to the storage server for storage through a network communication protocol stack.5. The method according to claim 4 , wherein claim 4 , sending the encapsulated data by ...

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Номер записи: 47
25-01-2018 дата публикации

PRINTHEADS WITH EPROM CELLS HAVING ETCHED MULTI-METAL FLOATING GATES

Номер: US20180022103A1
Автор: GE NING, HO Chaw Sing, Koh Ser Chia, Li Zhiyong
Принадлежит: Hewlett-Packard Development Company, L.P.

In one example in accordance with the present disclosure a printhead with a number of EPROM cells is described. The printhead deposits fluid onto a print medium. The printhead also includes a number of EPROM cells. Each EPROM cell includes a substrate having a source and a drain disposed therein, a floating gate separated from the substrate by a first dielectric layer. The floating gate includes a multi-metal layer that is a metal etched layer. Each EPROM cell also includes a control gate separated from the multi-metal layer of the floating gate by a second dielectric layer. 1. A printhead with a number of erasable programmable read only memory (EPROM) cells , the printhead comprising: a firing chamber to hold the amount of fluid;', 'an opening to dispense the amount of fluid onto the print medium; and', 'an ejector to eject the amount of fluid through the opening; and, 'a number of nozzles to deposit an amount of fluid onto a print medium, each nozzle comprising a substrate having a source and a drain disposed therein;', the floating gate comprises a multi-metal layer; and', 'the multi-metal layer is a metal etched layer; and, 'a floating gate separated from the substrate by a first dielectric layer, in which, 'a control gate separated from the multi-metal layer of the floating gate by a second dielectric layer,, 'a number of EPROM cells, each EPROM cell comprising2. The printhead of claim 1 , in which the fluid is inkjet ink.3. The printhead of claim 1 , in which the floating gate further comprises a polysilicon layer electrically coupled to the multi-metal layer.4. The printhead of claim 1 , in which the multi-metal layer comprises a first sub-layer disposed underneath a second sub-layer claim 1 , in which a portion of the second sub-layer is etched to expose a portion of the first sub-layer.5. The printhead of claim 4 , in which the second dielectric layer is formed by oxidation of the exposed portion of the first sub-layer.6. The printhead of claim 4 , in which ...

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Номер записи: 48
28-01-2016 дата публикации

DEVICES TO DETECT A SUBSTANCE AND METHODS OF PRODUCING SUCH A DEVICE

Номер: US20160025635A1
Автор: Barcelo Steven J., GE NING, Kuo Huei Pei, Li Zhiyong
Принадлежит:

Devices to detect a substance and methods of producing such a device are disclosed. An example device to detect a substance includes a housing defining a first chamber and a substrate coupled to the housing. The substrate includes nanostructures positioned within the first chamber. The nanostructures are to react to the substance when exposed thereto. The device includes a first heater positioned within the first chamber. The heater is to heat at least a portion of the substance to ready the device for analysis. 1. A device to detect a substance , comprising:a housing defining a first chamber;a substrate coupled to the housing, the substrate comprising nanostructures positioned within the first chamber, the nanostructures to react to the substance when exposed thereto; anda first heater positioned within the first chamber, the heater to heat at least a portion of the substance to ready the device for analysis.2. The device of claim 1 , wherein the first heater comprises a resistor.3. The device of claim 1 , further comprising a sensor positioned within the first chamber claim 1 , the sensor to measure a parameter value of the substance claim 1 , the sensor different than the nanostructures.4. The device of claim 3 , wherein the sensor comprises a capacitor.5. The device of claim 3 , wherein the parameter value comprises at least one of impedance or capacitance.6. The device of claim 1 , further comprising a seal to enclose at least a portion of the first chamber to protect the nanostructures from premature exposure.7. The device of claim 6 , wherein the seal comprises at least one of a transparent material claim 6 , a flexible material claim 6 , a removable material claim 6 , or a polymer material.8. The device of claim 1 , wherein the housing comprises nickel claim 1 , gold claim 1 , platinum claim 1 , palladium claim 1 , or rhodium.9. The device of claim 1 , wherein the housing comprises an orifice plate.10. The device of claim 1 , wherein the housing is ...

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Номер записи: 49
26-01-2017 дата публикации

FORMING 3-D NANO-PARTICLE ASSEMBLIES

Номер: US20170023483A1
Автор: Barcelo Steven J., Gibson Gary, Kim Ansoon, Li Zhiyong, Zhou Zhang-Lin
Принадлежит:

According to an example, methods for forming three-dimensional (3-D) nano-particle assemblies include depositing SES elements onto respective tips of nano-fingers, in which the nano-fingers are arranged in sufficiently close proximities to each other to enable the tips of groups of adjacent ones of the nano-fingers to come into sufficiently close proximities to each other to enable the SES elements on the tips to be bonded together when the nano-fingers are partially collapsed. The methods also include causing the nano-fingers to partially collapse toward adjacent ones of the nano-fingers to cause a plurality of SES elements on respective groups of the nano-fingers to be in relatively close proximities to each other and form respective clusters of SES elements, introducing additional particles that are to attach onto the clusters of SES elements, and causing the clusters of SES elements to detach from the nano-fingers. 1. A method for forming three-dimensional (3-D) nano-particle assemblies , said method comprising:depositing a plurality of surface-enhanced spectroscopy (SES) elements onto respective tips of a plurality of nano-fingers, wherein the nano-fingers are arranged in sufficiently close proximities to each other to enable the tips of groups of adjacent ones of the nano-fingers to come into sufficiently close proximities to each other to enable the SES elements on the tips to be bonded together when the nano-fingers are partially collapsed;causing the nano-fingers to partially collapse toward adjacent ones of the nano-fingers to cause a plurality of SES elements on respective groups of the nano-fingers to be in relatively close proximities to each other and form respective clusters of SES elements;introducing additional particles that are to attach onto the clusters of SES elements; andcausing the clusters of SES elements to detach from the nano-fingers.2. The method according to claim 1 , wherein causing the nano-fingers to partially collapse onto adjacent ...

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Номер записи: 50
01-02-2018 дата публикации

APPLICATION OF METRNL PROTEIN IN PREPARING HYPOLIPIDEMIC, HYPOGLYCEMIC MEDICINE

Номер: US20180030102A1
Автор: Li Zhiyong, Miao Chaoyu, WANG Pei
Принадлежит:

The present invention provides an application of Metrnl protein in preparing a hypolipidemic, hypoglycemic medicine or dietary supplement. The present invention further provides a method for preparing a mouse with fat-specific overexpression of Metrnl. 13.-. (canceled)4. A method for reducing blood glucose levels of an individual with diabetes comprising administering to the individual a Metrnl protein.5. A method for reducing blood triglyceride levels of an individual with hyperlipidemia comprising administering to the individual a Metrnl protein.6. A method for treating an individual with diabetes comprising administering to the individual a Metrnl protein.7. A method for treating an individual with hyperlipidemia comprising administering to the individual a Metrnl protein. This application is a divisional of U.S. application Ser. No. 15/137,606, filed Apr. 25, 2016, which is a continuation of PCT application No. PCT/CN2014/000949, which was filed on Oct. 27, 2014 based on Chinese Patent Application No. 201310525181.5 filed on Oct. 29, 2013 and Chinese Patent Application No 201310525184.9 filed on Oct. 29, 2013, the contents of which are incorporated herein by reference.The present invention relates to the field of medicine, specifically, application of metrnl protein in preparing hypolipidemic, hypoglycemic medicine.METRNL is a novel protein encoded by gene Metrnl, with a molecular weight about 30 kDa. The amino acid sequence of human METRNL was displayed in protein database of National Center for Biotechnology Information with sequence number NP_001004431.1. The tissue expression pattern and functions of Metrnl were seldom researched. China Application of application No. CN200980137344.4 named “Therapeutic use of a growth factor METRNL” with Published Number CN102164611A showed that METRNL was also a kind of neural survival and growth factor with a role in neuronal protection and/or neural development. Hence, METRNL protein can be used for the treatment of ...

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Номер записи: 51
02-02-2017 дата публикации

NON-VOLATILE MEMORY ELEMENT WITH THERMAL-ASSISTED SWITCHING CONTROL

Номер: US20170032837A1
Автор: GE NING, Li Zhiyong, Yang Jianhua
Принадлежит: Hewlett-Packard Development Company, L.P.

A non-volatile memory element with thermal-assisted switching control is disclosed. The non-volatile memory element is disposed on a thermal inkjet resistor. Methods for manufacturing the combination and methods of using the combination are also disclosed. 1. A non-volatile memory element with thermal-assisted switching control , wherein the resistive memory element is disposed on a thermal element.2. The non-volatile memory element of claim 1 , comprising a memristor.3. The non-volatile memory element of claim 1 , wherein the thermal element is a thermal inkjet resistor claim 1 , the non-volatile memory element further comprising the thermal inkjet resistor claim 1 , a passivation layer on the thermal inkjet resistor claim 1 , and the resistive memory element on the passivation layer.4. The non-volatile memory element of claim 3 , in which the thermal inkjet resistor comprises a relatively low resistivity electrically conducting material disposed on a relatively high resistivity electrically conducting material.5. The non-volatile memory element of claim 4 , in which the thermal inkjet resistor is selected from the group consisting of AlCu on TaAl claim 4 , AlCu on WSiN claim 4 , AlCu on TaAlOx claim 4 , AlCu on TiN claim 4 , TaAl on TiN/AlCu claim 4 , WSiN on TiN/AlCu claim 4 , TaAlOx on TiN/AlCu claim 4 , and TiN on TiN/AlCu.6. The non-volatile memory element of claim 3 , wherein the passivation layer is selected from the group consisting of silicon nitride claim 3 , silicon carbide claim 3 , and silicon dioxide.7. The non-volatile memory element of claim 3 , wherein the resistive memory element is a memristor having a structure that includes a bottom electrode claim 3 , an active region claim 3 , and a top electrode.8. A method of manufacturing a multi-level programming non-volatile memory element claim 3 , including disposing a non-volatile memory element on a thermal element.9. The method of claim 8 , comprising:providing a thermal inkjet resistor as the ...

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Номер записи: 52
18-02-2021 дата публикации

GLASS COMPOSITION, LOW INCLUSION CONTENT GLASS, PREPARATION METHOD THEREFOR AND APPLICATION THEREOF

Номер: US20210047230A1
Автор: Li Qing, Li Zhiyong, Wang Bo, WANG Junfeng, Wang Lihong, Yan Dongcheng, Zhang Guangtao, Zheng Quan
Принадлежит: TUNGHSU GROUP CO., LTD.

The present disclosure relates to glass manufacturing, a glass composition, glass with a low inclusion content and a preparation method therefor and use thereof. The composition comprises 50-64 wt. % SiO, 14-24 wt. % AlO, 0-7 wt. % BO+PO, 0.5-7 wt. % MgO, 1-10 wt. % CaO, 0-9 wt. % SrO, 0.1-14 wt. % BaO, 0.1-5 wt. % ZnO, 0.1-4 wt. % TiO, 0.1-7 wt. % YO+LaO+NdO, and <0.05 wt. % RO, wherein RO is a sum of the content of LiO, NaO and KO, and the composition satisfies the following conditions: (1) a temperature Tcorresponding to a viscosity of 100 P is 1730° C. or higher; (2) a surface tension at 1300° C. is less than 420 mN/m. The glass prepared by the glass composition and the glass with a low inclusion content preparation method has the advantages of having low inclusion content, having a simple preparation process, being low in cost and so on. 1. A glass composition , comprising 50-64 wt. % SiO , 14-24 wt. % AlO , 0-7 wt. % BO+PO , 0.5-7 wt. % MgO , 1-10 wt. % CaO , 0-9 wt. % SrO , 0.1-14 wt. % BaO , 0.1-5 wt. % ZnO , 0.1-4 wt. % TiO , 0.1-7 wt. % YO+LaO+NdO , and <0.05 wt. % RO , wherein RO is a sum of the content of LiO , NaO and KO , and the composition satisfies the following conditions:{'sub': '100', '(1) a temperature Tcorresponding to a viscosity of 100 P is 1730° C. or higher;'}(2) a surface tension at 1300° C. is less than 420 mN/m.2. The class composition according to claim 1 , wherein the composition also satisfies: (3) a liquidus temperature Tis lower than 1180° C.; and{'sub': 'st', 'preferably, the composition also satisfies: (4) a strain point Tis 710° C. or higher.'}3. The class composition according to claim 1 , wherein the composition comprises 56-63 wt. % SiO claim 1 , 17-22 wt. % AlO claim 1 , 0-5.2 wt. % BO+PO claim 1 , 1-5 wt. % MgO claim 1 , 2-8 wt. % CaO claim 1 , 0-8 wt. % SrO claim 1 , 1-12 wt. % BaO claim 1 , 0.3-4 wt. % ZnO claim 1 , 0.2-3 wt. % TiO claim 1 , 0.1-4 wt. % YO+LaO+NdOand <0.05 wt. % RO claim 1 , wherein RO is a sum of the ...

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Номер записи: 53
18-02-2021 дата публикации

SELF-POWER-GENERATING WATER OUTFLOW DEVICE WITH A LIGHT

Номер: US20210048160A1
Автор: Li Zhiyong, WANG Xuedong, Zhu Chuanbao
Принадлежит:

Disclosed is a self-power-generating water outflow device with a light. An LED light source and a driving circuit for driving the LED light source are disposed in a water outflow terminal, and a first positive electrode and a first negative electrode are electrically connected to the driving circuit. A connector is detachably connected to the water outflow terminal. The connector comprises a connection housing and a self-power-generating component. The self-power-generating component is disposed in the connection housing, and the connection housing comprises one or more second positive electrodes and one or more second negative electrodes electrically connected to the self-power-generating component. When the connector is connected to the water outflow terminal, the first positive electrode is in contact with the one or more second positive electrodes and the first negative electrode is in contact with the one or more second negative electrodes.

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Номер записи: 54
07-02-2019 дата публикации

MEMORY DEVICES WITH VOLATILE AND NON-VOLATILE BEHAVIOR

Номер: US20190043562A1
Автор: Li Zhiyong, Zhang Lu, Zhang Minxian
Принадлежит:

An example device in accordance with an aspect of the present disclosure includes an active oxide layer to form and dissipate a conductive bridge. The conductive bridge is to dissipate spontaneously within a relaxation time to enable the memory device to self-refresh according to volatile behavior in response to the input voltage being below a threshold corresponding to disregarding sneak current and noise of a crossbar array in which the memory device is to operate. The conductive bridge is to persist beyond the relaxation time to enable the memory device to retain programming for neuromorphic computing training according to non-volatile behavior of the memory device in response to the input voltage not being below the threshold. 1. A memory device for neuromorphic computing , comprising:first electrode;an active oxide layer disposed on the first electrode to form and dissipate a conductive bridge in response to an input voltage based on interaction with the first electrode to provide ion mobility within the active oxide layer; anda second electrode disposed on the active oxide layer;wherein the first electrode and the active oxide layer enable the conductive bridge to dissipate spontaneously within a relaxation time to enable the memory device to self-refresh according to volatile behavior in response to the input voltage being below a threshold corresponding to disregarding sneak current and noise of a crossbar array in which the memory device is to operate; andwherein the first electrode and the active oxide layer enable the conductive bridge to persist beyond the relaxation time to enable the memory device to retain programming for neuromorphic computing training according to non-volatile behavior of the memory device in response to the input voltage not being below the threshold.2. The memory device of claim 1 , wherein active oxide layer comprises SiOx.3. The memory device of claim 1 , wherein the active oxide layer includes a first layer having a first ...

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Номер записи: 55
08-05-2014 дата публикации

SURFACE ENHANCED RAMAN SPECTROSCOPY SENSOR, SYSTEM AND METHOD OF SENSING

Номер: US20140125976A1
Автор: Kim Ansoon, Li Zhiyong
Принадлежит:

A surface enhanced Raman spectroscopy (SERS) sensor, system and method employ nanorods and independent nanoparticles that interact. The sensor includes at least two spaced apart nanorods attached at first ends to a substrate and an independent nanoparticle. Second ends of the nanorods are movable into close proximity to one another and include a Raman active surface. The nanoparticle has a functionalized surface that includes a Raman signal generator. An interaction between the nanoparticle and the nanorod second ends in close proximity is detectable. The system includes the SERS sensor, an illumination source and a Raman signal detector. The method includes illuminating the interaction of the nanoparticle and the nanorods with an analyte, and detecting an effect on a Raman signal caused by the analyte. 1. A surface enhanced Raman spectroscopy (SERS) sensor comprising:a sensing substrate comprising at least two spaced apart nanorods attached at first ends to the sensing substrate, second ends of the nanorods being movable into close proximity to one another, the nanorods comprising a Raman active surface; anda nanoparticle having a functionalized surface comprising a Raman signal generator, the nanoparticle being independent of the nanorods, an interaction between the nanoparticle and the nanorod second ends in close proximity being detectable.2. The SERS sensor of claim 1 , wherein the Raman signal generator comprises a Raman dye claim 1 , a presence of an analyte has an effect on the interaction and on a Raman scattering signal from the Raman dye that is detectable.3. The SERS sensor of claim 2 , wherein the analyte is selected from a nucleic acid claim 2 , a protein claim 2 , a carbohydrate claim 2 , a lipid claim 2 , a virus claim 2 , a viral byproduct claim 2 , a bacterium claim 2 , a bacterial byproduct claim 2 , other toxic organisms and byproducts thereof claim 2 , a toxin claim 2 , a toxicant claim 2 , a drug claim 2 , a chemical claim 2 , a portion of any ...

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Номер записи: 56
10-03-2022 дата публикации

SEAL SWITCHING MECHANISM

Номер: US20220074508A1
Автор: Li Jianxin, Li Zhiyong
Принадлежит: Guangzhou Seagull Kitchen and Bath Products Co., Ltd.

The disclosure relates to faucet showers and discloses a seal switching mechanism including a seal switching mechanism, which includes a water shunt valve body, a valve shaft provided in an inner middle position of water shunt valve body and elastically connected with an inner bottom end of water shunt valve body, a valve body, a first water outlet channel, a first water outlet, a bubbler, a face cover, a spring, a gasket, a lower sealing port, an upper sealing port located above lower sealing port, a second water outlet, a second water outlet channel, and an assembly groove provided at a lower part of valve shaft. The upper and lower sealing port are arranged inside water shunt valve body, and gasket is installed inside assembly groove. The gasket adopts a special-shaped gasket with a step, which solves switching seal problem of switch sealing ports with different diameters on both sides. 13331323435373839414243444546474443314443323132314147324247343132343439313539313937353839463831384546. A seal switching mechanism which comprises a seal switching mechanism () , wherein the seal switching mechanism () comprises a water shunt valve body () , a valve shaft () , a valve body () , a first water outlet channel () , a first water outlet () , a bubbler () , a face cover () , a spring () , a gasket () , a lower sealing port () , an upper sealing port () , a second water outlet () , a second water outlet channel () and an assembly groove (); wherein the upper sealing port () and the lower sealing port () are respectively arranged inside the water shunt valve body () , the upper sealing port () is located above the lower sealing port () , the valve shaft () is provided in an inner middle position of the water shunt valve body () , the valve shaft () and an inner bottom end of the water shunt valve body () are elastically connected through the spring () , the assembly groove () is provided at a lower part of the valve shaft () , the gasket () is installed inside the assembly ...

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Номер записи: 57
05-03-2015 дата публикации

INTEGRATED SENSORS

Номер: US20150065390A1
Автор: Bratkovski Alexandre M., Hu Min, Kim Ansoon, Li Zhiyong, Williams R. Stanley, Wu Wei
Принадлежит:

Examples of integrated sensors are disclosed herein. An example of an integrated sensor includes a substrate and a sensing member formed on a surface of the substrate. The sensing member includes collapsible signal amplifying structures and an area surrounding the collapsible signal amplifying structures that enables self-positioning of droplets exposed thereto toward the collapsible signal amplifying structures. 1. An integrated sensor , comprising:a substrate; and collapsible signal amplifying structures; and', 'an area surrounding the collapsible signal amplifying structures that enables self-positioning of droplets exposed thereto toward the collapsible signal amplifying structures., 'a sensing member formed on a surface of the substrate, the sensing member including2. The integrated sensor as defined in wherein the area surrounding the collapsible signal amplifying structures is more hydrophobic than the collapsible signal amplifying structures.3. The integrated sensor as defined in wherein the area surrounding the collapsible signal amplifying structures includes a gradient of polymer pillars formed on the substrate claim 2 , the gradient of polymer pillars being more dense at a periphery of the sensing member.4. The integrated sensor as defined in wherein:the collapsible signal amplifying structures include metal-capped polymer-pillars, metal-coated polymer nanoflakes, metal-coated mushroom-shaped structures, or metal-ringed polymer pillars; andthe polymer pillars in the gradient are free of signal amplifying material.5. The integrated sensor as defined in wherein the area surrounding the collapsible signal amplifying structures includes hydrophobic molecules deposited thereon.6. The integrated sensor as defined in wherein the area surrounding the collapsible signal amplifying structures includes grooves defined in the surface of the substrate claim 1 , the grooves having a shape that directs the droplets toward the collapsible signal amplifying structures.7. ...

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Номер записи: 58
28-02-2019 дата публикации

LINEAR TRANSFORMATION ACCELERATORS

Номер: US20190066780A1
Автор: Hu Miao, Li Zhiyong, STRACHAN John Paul, Williams R. Stanley
Принадлежит:

Examples herein relate to linear transformation accelerators. An example linear transformation accelerator may include a crossbar array programmed to calculate a linear transformation. The crossbar array has a plurality of words lines, a plurality of bit lines, and a memory cell coupled between each unique combination of one word line and one bit line, where the memory cells are programmed according to a linear transformation matrix. The plurality of word lines are to receive an input vector, and the plurality of bit lines are to output an output vector representing a linear transformation of the input vector. 1. A linear transformation accelerator , comprising: the memory cells are programmed according to a linear transformation matrix;', 'the plurality of word lines are to receive an input vector; and', 'the plurality of bit lines are to output an output vector representing a linear transformation of the input vector., 'a crossbar array programmed to calculate a linear transformation, the crossbar array comprising a plurality of word lines, a plurality of bit lines, and a memory cell coupled between each unique combination of one word line and one bit line, wherein2. The linear transformation accelerator of claim 1 , further comprising a drive circuit to drive input electrical signals representing the input vector to the plurality of bit lines claim 1 , a switch to direct the input electrical signals to the plurality of word lines or the plurality of bit lines claim 1 , and a read circuit to receive output electrical signals representing the output vector from the other of the plurality of word lines or the plurality of bit lines.3. The linear transformation accelerator of claim 2 , wherein driving the input electrical signals to the plurality of the bit lines calculates a transpose linear transformation of the input vector.4. The linear transformation accelerator of claim 3 , wherein the driving the input electrical signals to the plurality of the bit lines ...

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Номер записи: 59
19-03-2015 дата публикации

GLUTINOUS MILLET NUTRITION MILK AND PREPARATION METHOD THEREOF

Номер: US20150079266A1
Автор: BAI Hui, Dong Li, DONG Zhiping, Huang Xiaolin, Li Zhiyong, LIU Lei, MA Jifang, QUAN Jianzhang, XIE Jianfeng, Zeng Zhi, ZHU Yanbin
Принадлежит:

The disclosure relates to a glutinous millet nutrition milk taking glutinous millet as raw material, and preparation process thereof, and particularly relates to a glutinous millet nutrition milk or compound glutinous millet nutrition milk taking the rust-proofing and glutinous foxtail millet variety of “Ji Chuang 1” glutinous millet as raw material and preparation process thereof. The glutinous millet nutrition milk or compound glutinous millet nutrition milk prepared by the method has the characteristics that the emulsion is stable, it will neither become aged nor coagulate or precipitate after long-term storage, and it does not need to add any anticoagulant stabilizer, which is more environmental friendly and healthy; its products utilize the rich nutrition of the millet, digests and absorbs easily, and tastes delicately. 1. A preparation method of a glutinous millet nutrition milk , comprising the following steps:step 1, preparation of glutinous millet puree: (1) soaking: after carefully selected glutinous millet is washed in water at room temperature, water of 3 times the weight of the glutinous millet is added, and the glutinous millet is soaked in the water and taken out after 24 hours, then the glutinous millet and water are mixed according to the weight ratio of 1:8-9, grinded, and homogenized; (2) gelatinizing: heating gelatinization is carried out for 10-20 minutes at 70-85 DEG C; (3) grinding: first, coarse grinding of the completely gelatinized glutinous millet paste is carried out, and then colloid fine grinding is carried out for later use; wherein, said glutinous millet is “Ji Chuang 1” glutinous millet;step 2, degassing and homogenizing: the glutinous millet puree is degassed through a vacuum degassing machine, with the vacuum degree of 0.8 MPa, and the center temperature of 90 DEG C; the temperature of the puree is required to be 40-50 DEG C before homogenizing, and a pressure of 16-18 MPa or colloid grinding is adopted for homogenizing;step 3, ...

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Номер записи: 60
15-03-2018 дата публикации

MEMRISTIVE CROSSBAR ARRAY HAVING MULTI-SELECTOR MEMRISTOR CELLS

Номер: US20180075904A1
Автор: GE NING, Li Zhiyong, Williams R. Stanley, Yang Jianhua
Принадлежит:

A memristive crossbar array is described. The crossbar array includes a number of row lines and a number of column lines intersecting the row lines to form a number of cross points. A number of memristor cells are coupled between the row lines and the column lines at the cross points. A memristor cell includes a memristive memory element to store information and multiple selectors electrically coupled to the memristive memory element. The multiple selectors are to provide access to the memristive memory element. 1. A memristive crossbar array , the crossbar array comprising:a number of row lines;a number of column lines intersecting the row lines to form a number of cross points; anda number of memristor cells coupled between the row lines and the column lines at the cross points, a memristor cell comprising:a memristive memory element to store information; andmultiple selectors electrically coupled to the memristive memory element, the multiple selectors to provide access to the memristive memory element.2. The array of claim 1 , wherein the multiple selectors are serially coupled to the memristive memory element.3. The array of claim 1 , wherein the multiple selectors are asymmetric selectors.4. The array of claim 3 , wherein:a first selector is tuned towards a first voltage polarity; anda second selector is tuned towards a second, and opposite, voltage polarity.5. The array of claim 1 , wherein a selector is a volatile selector comprising:a first electrode;a second electrode; andan active region disposed between the first electrode and the second electrode;in which the active region comprises cationic species that aggregate to form a conductive channel between the first electrode and the second electrode when a selecting voltage is applied and that dissipate when the selecting voltage is removed.6. The array of claim 1 , wherein the multiple selectors are non-liner selectors having a nonlinearity of greater than 1 claim 1 ,000.7. A system for accessing ...

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Номер записи: 61
16-03-2017 дата публикации

SELECTORS WITH OXIDE-BASED LAYERS

Номер: US20170077179A1
Автор: GE NING, Li Zhiyong, Yang Jianhua
Принадлежит:

A selector with an oxide-based layer includes an oxide-based layer that has a first region and a second region. The first region contains a metal oxide in a first oxidation state, and the second region contains the metal oxide in a second oxidation state. The first region also forms a part of each of two opposite faces of the oxide-based layer. 1. A selector , comprising an oxide-based layer , wherein:the oxide-based layer comprises a first region having a metal oxide in a first oxidation state and a second region having the metal oxide in a second oxidation state; andthe first region forms a part of each of two opposite faces of the oxide-based layer.2. The selector of claim 1 , wherein the second region has two pads sandwiching the first region in a lateral direction of the oxide-based layer.3. The selector of claim 1 , wherein the metal oxide in the second oxidation state is less conducting than the metal oxide in the first oxidation state.4. The selector of claim 1 , wherein the selector exhibits nonlinear current-voltage behavior in a voltage range of interest.5. The selector of claim 1 , wherein the metal oxide has a metal selected from the group consisting of Nb claim 1 , V claim 1 , Ti claim 1 , W claim 1 , Ta claim 1 , Mo claim 1 , Zn claim 1 , and Cr.6. The selector of claim 1 , wherein the metal oxide has Nb claim 1 , the first oxidation state is NbO claim 1 , and the second oxidation state is NbO.7. A memory device claim 1 , comprising a selector with an oxide-based layer coupled to a memristor claim 1 , wherein:the oxide-based layer comprises a first region having a metal oxide in a first oxidation state and a second region having the metal oxide in a second oxidation state;the first region forms a part of each of two opposite faces of the oxide-based layer;the metal oxide in the second oxidation state is less conducting than the metal oxide in the first oxidation state; andthe memristor is coupled to at least a portion of the first region of the ...

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Номер записи: 62
02-04-2015 дата публикации

Establishing and querying methods of knowledge library engine based on emergency management

Номер: US20150095331A1
Автор: He Zhongtang, Li Xinan, Li Zhiyong, Zhao Fengwei
Принадлежит:

An establishing method of a knowledge library engine based on emergency management includes steps of extracting relevant data from unstructured text information, filtering out unwanted data and improving a structure of the relevant data, so as to ensure homogeneity of the relevant data; structurally analyzing a text content of obtained information, extracting a feature thereof and storing the feature in the feature library as a key word of a knowledge; and processing the obtained information with the automatic word segmentation module, then classifying a result according to an information classification standard, and establishing an association of the knowledge and information classification. A querying method of the knowledge library engine based on emergency management includes steps of: understanding semanteme, understanding knowledge, and querying knowledge. 15-. (canceled)6. An establishing method of a knowledge library engine based on emergency management , comprising a step of:dividing an application frame into an application layer, an application supporting layer, a data layer, and a basic supporting layer;wherein the application layer comprises an information input module and an information query module;wherein the application supporting layer comprises an information extraction module, an automatic word segmentation module, a classification module, a semantic understanding module, a knowledge understanding module, and a knowledge query module;wherein the data layer comprises a knowledge library, a feature library, and a type library; the data layer further comprises a synonym dictionary and a type word dictionary; andwherein the basic supporting layer comprises a distributed database, a storage device, a server, an application workstation, a network, an operation system, and a middleware; wherein the middleware is placed on a heterogeneous hardware platform and an operation system platform for shielding difference of the heterogeneous hardware platform and ...

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Номер записи: 63
25-03-2021 дата публикации

GIMBAL, METHOD AND APPARATUS FOR CONTROLLING PHOTOGRAPHING APPARATUS

Номер: US20210092294A1
Автор: Li Zhiyong, WANG Xieping, WANG Zhendong
Принадлежит: SZ DJI Technology Co., Ltd.

Disclosed are a gimbal and a control method and apparatus for a photographing apparatus. The photographing apparatus is mounted on a gimbal. When a communication link between the photographing apparatus and the gimbal is in an active state, the photographing apparatus is controlled by the gimbal. The method includes: detecting a first indication signal; and switching the communication link between the gimbal and the photographing apparatus from an active state to an inactive state, so that the photographing apparatus can be controlled autonomously. When the first indication signal is detected, the communication link between the gimbal and the photographing apparatus is switched from the active state to the inactive state, so that the photographing apparatus can restore to an autonomous control mode without physical plugging or unplugging or manual disabling of a wireless connection function in settings, helping a user to operate various functions. 1. A method for controlling a photographing apparatus , comprising:detecting a first indication signal; andswitching a communication link between the photographing apparatus and a gimbal on which the photographing apparatus is mounted from an active state to an inactive state, wherein,in the active state, the photographing apparatus is controlled by the gimbal, andin the inactive state, the photographing apparatus is autonomously controlled.2. The method according to claim 1 , whereinthe first indication signal is sent by an external device configured to communicate with the gimbal, orthe first indication signal is generated by a first control part of the gimbal.3. The method according to claim 1 , wherein the first indication signal instructs the gimbal to switch from a first state to a second state.4. The method according to claim 3 , wherein the first state is a wake-up state claim 3 , and the second state is a sleep state.5. The method according to claim 1 , wherein the first indication signal instructs to lock the ...

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Номер записи: 64
26-06-2014 дата публикации

SURFACE ENHANCED RAMAN SPECTROSCOPY EMPLOYING A NANOROD IN A SURFACE INDENTATION

Номер: US20140176942A1
Автор: Bratkovski Alexandre, Li Zhiyong
Принадлежит:

A surface enhanced Raman spectroscopy (SERS) apparatus employs a nanorod in an indentation in a surface of a substrate. The SERS apparatus includes the nanorod having a tip at a free end opposite to an end of the nanorod that is supported by the substrate indentation. The indentation has a tapered profile and supports the nanorod at a bottom of the indentation. The free end of the nanorod extends away from the indentation bottom. The SERS apparatus further includes a Raman-active material at a surface of one or both of the nanorod and the indentation. The indentation and the nanorod facilitate one or both of production and detection of a Raman scattering signal emitted by an analyte in a vicinity of the nanorod and indentation. 1. A surface enhanced Raman spectroscopy (SERS) apparatus comprising:a nanorod having a tip at a free end opposite to an end of the nanorod that is supported by a substrate;an indentation in a surface of the substrate, the indentation having a tapered profile and supporting the nanorod at a bottom of the indentation, the free end of the nanorod extending away from the indentation bottom; anda Raman-active material at a surface of one or both of the nanorod and the indentation,wherein the indentation and the nanorod facilitate one or both of production and detection of a Raman scattering signal emitted by an analyte in a vicinity of the nanorod and indentation.2. The SERS apparatus of claim 1 , wherein the nanorod comprises a plurality of nanorods arranged in a bundle.3. The SERS apparatus of claim 1 , wherein the nanorod has a columnar shape claim 1 , the nanorod further comprising a nanoparticle at the free end of the nanorod.4. The SERS apparatus of claim 1 , wherein the indentation has one of a parabolic profile and a v-shaped profile.5. The SERS apparatus of claim 4 , further comprising a trench claim 4 , the trench comprising the indentation having walls with a v-shaped profile claim 4 , the trench having a length and a width claim 4 , ...

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Номер записи: 65
16-04-2015 дата публикации

SCATTERING SPECTROSCOPY NANOSENSOR

Номер: US20150103340A1
Автор: Barcelo Steven, Bratkovski Alexandre M., Gibson Gary, Kuo Huei Pei, Li Zhiyong, WANG Shih-Yuan, Zhou Zhang-Lin
Принадлежит:

A scattering spectroscopy nanosensor includes a nanoscale-patterned sensing substrate to produce an optical scattering response signal indicative of a presence of an analyte when interrogated by an optical stimulus. The scattering spectroscopy nanosensor further includes a protective covering to cover and protect the nanoscale-patterned sensing substrate. The protective covering is to be selectably removed by exposure to an optical beam incident on the protective covering. The protective covering is to prevent the analyte from interacting with the nanoscale-patterned sensing substrate prior to being removed. 1. A scattering spectroscopy nanosensor comprising:a nanoscale-patterned sensing substrate to produce an optical scattering response signal indicative of a presence of an analyte when interrogated by an optical stimulus; anda protective covering to cover and protect the nanoscale-patterned sensing substrate, the protective covering is to be selectably removed by exposure to an optical beam incident on the protective covering,wherein the protective covering is to prevent the analyte from interacting with the nanoscale-patterned sensing substrate prior to being removed.2. The scattering spectroscopy nanosensor of claim 1 , wherein nanoscale-patterned sensing substrate comprises a surface enhanced Raman spectroscopy (SERS) substrate claim 1 , and wherein the optical scattering response signal is a Raman scattered signal to be produced by the analyte.3. The scattering spectroscopy nanosensor of claim 2 , wherein the SERS sensing substrate comprises a plurality of nanorods arranged in an array claim 2 , at least some of the nanorods having a metallic tip to adsorb the analyte claim 2 , the tip being at a free end of the nanorod opposite to an end that is attached to a support.4. The scattering spectroscopy nanosensor of claim 1 , wherein the protective covering is to be selectively removed by one of ablation of a material of the protective covering by the optical ...

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Номер записи: 66
28-03-2019 дата публикации

TOUCH PANEL AND TOUCH METHOD THEREOF, ELECTRONIC DEVICE

Номер: US20190095001A1
Автор: Li Zhiyong, LIN Huizhe, Liu Jia, Qian Qian, XIE Zhenmei
Принадлежит:

A touch panel and a touch method thereof, and an electronic device are provided. The touch panel includes a first touch detection line, a touch electrode, a second touch detection line and a first switch element. The first touch detection line is connected with the touch electrode and is insulated from the second detection line, and the second detection line is connected with the touch electrode through the first switch element. 1. A touch panel , comprising: a first touch detection line , a touch electrode , a second touch detection line , and a first switch element ,wherein the first touch detection line is connected with the touch electrode and is insulated from the second detection line, and the second detection line is connected with the touch electrode through the first switch element.2. The touch panel according to claim 1 , further comprising a first gate line claim 1 ,wherein the first gate line is connected with the touch electrode through the first switch element.3. The touch panel according to claim 2 , wherein the first switch element comprises a switch transistor;a first electrode of the switch transistor is connected with the second touch detection line, a second electrode of the switch transistor is connected with the touch electrode, and a gate electrode of the switch transistor is connected with the first gate line.4. The touch panel according to claim 3 , wherein the first gate line is configured to provide a first gate signal to the gate electrode of the switch transistor to control the switch transistor.5. The touch panel according to claim 4 , further comprising a display pixel claim 4 ,wherein the display pixel comprises a second switch element, and the first gate line is further configured to provide a second gate signal to the second switch element to control the second switch element;the first gate signal is different from the second gate signal.6. The touch panel according to claim 4 , further comprising a display pixel and a second gate ...

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Номер записи: 67
06-04-2017 дата публикации

PROCESS CARTRIDGE

Номер: US20170097609A1
Автор: CAO JIANXIN, DING Geming, GU WEIDONG, Li Xiong, LI Yonghong, Li Zhiyong, Liu Xiaobing
Принадлежит:

The invention relates to a process cartridge, which comprises a process cartridge housing, a photosensitive member, a driving force receiving opening, a retractable mechanism and a control mechanism, wherein the photosensitive member is arranged inside the process cartridge housing; the driving force receiving opening is connected with the photosensitive member and provides a driving force for the photosensitive member; the retractable mechanism allows the driving force receiving opening to extend or retract in the axial direction of the photosensitive member; and the control mechanism controls the extension and retraction of the retractable mechanism. 1. A process cartridge comprising:a process cartridge housing;a photosensitive member disposed inside the process cartridge housing;a driving force receiver engaged to one end of the photosensitive member and adapted to move in an axial direction along a center axis of the photosensitive member, the driving force receiver including an engaged portion for receiving a driving force; anda force receiving member,wherein the movement of the driving force receiver in the axial direction is at least partially controlled by the movement of the force receiving member.2. The process cartridge of wherein the force receiving member causes the driving force member to move in an axial direction away from the photosensitive member to an extended position when the force receiving member receives a force.3. The process cartridge of further comprising a spring which biases the force receiving member to a non-extended position when the force receiving member is not receiving a force.4. The process cartridge of wherein the force receiving member moves in a first direction which is not parallel to the axial direction when the force receiving member receives a force.5. The process cartridge of wherein the first direction does not intersect the axial direction.6. The process cartridge of further comprising means for biasing the force ...

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Номер записи: 68
14-04-2016 дата публикации

SCATTERING SPECTROSCOPY NANO SENSOR

Номер: US20160103074A1
Автор: Barcelo Steven J., Bratkovski Alexandre M., Gibson Gary, Kuo Huei Pei, Li Zhiyong, WANG Shih-Yuan, Zhou Zhang-Lin
Принадлежит:

A scattering spectroscopy nanosensor includes a nanoscale-patterned sensing substrate to produce an optical scattering response signal indicative of a presence of an analyte when interrogated by an optical stimulus. The scattering spectroscopy nanosensor further includes a protective covering to cover and protect the nanoscale-patterned sensing substrate. The protective covering is to be selectably removed by exposure to an optical beam incident on the protective covering. The protective covering is to prevent the analyte from interacting with the nanoscale-patterned sensing substrate prior to being removed. 115-. (canceled)16. A scattering microscopy nano sensor comprising:a floor structure;a surface enhanced Raman spectroscopy (SERS) substrate supported by the floor structure;a ceiling structure extending from the floor structure and over the SERS substrate; anda lenslet supported by the ceiling structure over the SERS substrate.17. The scattering microscopy nano sensor of comprising a tubular structure providing the floor structure and the ceiling structure.18. The scattering microscopy nano sensor of claim 17 , wherein SERS substrate comprises nano rods.19. The scattering microscopy nano sensor of comprising lenslets supported by the ceiling structure over the STRS substrate.20. The scattering microscopy nano sensor of claim 19 , wherein lenslets are supported from an inner surface of the tubular structure.21. The scattering microscopy nano sensor of claim 20 , wherein the SERS substrate extends along a first interior portion of the tubular structure and wherein the lenslets extend along a second interior portion of the tubular structure claim 20 , the first interior portion excluding the lenslets and the second interior portion excluding the SERS substrate.22. The scattering microscopy nano sensor of claim 19 , wherein the lenslets are supported from an outer surface of the tubular structure.23. The scattering microscopy nano sensor of further comprising a ...

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Номер записи: 69
04-04-2019 дата публикации

DISPLAY DEVICE AND PACKAGING METHOD THEREOF, DISPLAY APPARATUS

Номер: US20190103586A1
Автор: Hu Wei, Li Zhiyong, LIN Hui Che, LIU Dianxin, Liu Jia, XIE Zhenmei
Принадлежит:

Embodiments of the present disclosure provide a display device, a packaging method thereof and a display apparatus. The display device includes a base substrate; and a light-emitting unit and a packaging unit sequentially disposed on the base substrate, the packaging unit includes a first packaging film layer, a second packaging film layer and a water-absorbing functional layer located between the first packaging film layer and the second packaging film layer; the water-absorbing functional layer is mainly formed of a self-healing material with water absorbability. 1. A display device , comprising a base substrate; and a light-emitting unit and a packaging unit sequentially disposed on the base substrate;the packaging unit comprising a first packaging film layer, a second packaging film layer and a water-absorbing functional layer located between the first packaging film layer and the second packaging film layer; andthe water-absorbing functional layer being mainly formed of a self-healing material with water absorbability.2. The display device according to claim 1 , wherein the self-healing material with water absorbability comprises a composite material of konjac glucomannan and polyacrylamide (KGM/PAAm); or a composite material of konjac glucomannan claim 1 , polyacrylamide and nano-clay.3. The display device according to claim 1 , wherein both of the first packaging film layer and the second packaging film layer are an inorganic film layer; andthe packaging unit further comprises an organic film layer located between the first packaging film layer and the second packaging film layer.4. The display device according to claim 3 , whereinthe water-absorbing functional layer is located between the first packaging film layer and the organic film layer, and is in contact with both of the first packaging film layer and the organic film layer; andthe water-absorbing functional layer is located between the organic film layer and the second packaging film layer, and is in ...

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Номер записи: 70
30-04-2015 дата публикации

FORMING MEMRISTORS ON IMAGING DEVICES

Номер: US20150114927A1
Автор: GE NING, Li Zhiyong, Yang Jianhua, Zhang Minxian Max
Принадлежит: Hewlett-Packard Development Company, L.P.

Forming memristors on imaging devices can include forming a printhead body comprising a first conductive material, forming a memory on the printhead body by performing an oxidation process to form a switching oxide material on the first conductive material, and forming a second conductive material on the switching oxide material. 1. A method of forming a printhead with a memristor , comprising:forming a printhead body comprising a first conductive material;forming a memory with the printhead body by performing thermal oxidation to form a switching oxide material on the first conductive material; andforming a second conductive material on the switching oxide material, wherein the first conductive material comprises a first electrode of the memory and the second conductive material comprises a second electrode of the memory.2. The method of claim 1 , wherein performing thermal oxidation to form the switching oxide material includes performing a furnace oxidation process.3. The method of claim 1 , wherein performing thermal oxidation to form the switching oxide material includes performing a rapid thermal processing method.4. The method of claim 1 , wherein performing thermal oxidation to form the switching oxide material includes performing a rapid thermal processing method.5. The method of claim 1 , wherein forming the memory comprises etching the oxide material claim 1 , the switching oxide material claim 1 , and the second conductive material.6. A method of forming a printhead with a memristor claim 1 , comprising:forming a printhead body by depositing a first conductive material on a number of material materials; andforming a memory on the printhead body, wherein the memory includes the first conductive material as a first electrode, a second conductive material as a second electrode, and a switching oxide material formed by plasma oxidation, between the first and second conductive materials.7. The method of claim 6 , wherein forming the printhead body further ...

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Номер записи: 71
30-04-2015 дата публикации

APPARATUS FOR PERFORMING A SENSING APPLICATION

Номер: US20150116706A1
Автор: Barcelo Steven, Bratkovski Alexandre M., Kim Ansoon, Li Zhiyong
Принадлежит: HEWLETT-PACKARD DEVELOPEMENT COMPANY L.P.

An apparatus for performing a sensing application includes a reservoir to contain a solution, a dispenser to dispense the solution from the reservoir, and a substrate having a plurality of nano-fingers positioned to receive the dispensed solution, in which the plurality of nano-fingers are flexible, such that the plurality of nano-fingers are configurable with respect to each other. The apparatus also includes an illumination source to illuminate the received solution, an analyte introduced around the plurality of nano-fingers, and the plurality of nano-fingers, in which light is to be emitted from the analyte in response to being illuminated. The apparatus further includes a detector to detect the light emitted from the analyte. 1. An apparatus for performing a sensing application , said apparatus comprising:a reservoir to contain a solution;a dispenser to dispense the solution from the reservoir;a substrate having a plurality of nano-fingers positioned to receive the dispensed solution, wherein the plurality of nano-fingers are flexible, such that the plurality of nano-fingers are configurable with respect to each other;an illumination source to illuminate the received solution, an analyte introduced around the plurality of nano-fingers, and the plurality of nano-fingers, wherein light is to be emitted from the analyte in response to being illuminated; anda detector to detect the light emitted from the analyte.2. The apparatus according to claim 1 , wherein the plurality of nano-fingers comprise respective tips claim 1 , said apparatus further comprising:Raman-active material nano-particles attached to respective tips of the plurality of nano-fingers.3. The apparatus according to claim 2 , wherein the plurality of nano-fingers are to be collapsed toward each other such that the Raman-active material nano-particles attached to the respective tips of subsets of the plurality of nano-fingers are brought into close proximity or in contact with each other.4. The ...

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Номер записи: 72
20-04-2017 дата публикации

1-SELECTOR N-RESISTOR MEMRISTIVE DEVICES

Номер: US20170110515A1
Автор: Gibson Gary, Li Zhiyong, Yang Jianhua
Принадлежит:

A 1-Selector n-Resistor memristive device includes a first electrode, a selector, a plurality of memristors, and a plurality of second electrodes. The selector is coupled to the first electrode via a first interface of the selector. Each memristor is coupled to a second interface of the selector via a first interface of each memristor. Each second electrode is coupled to one of the memristors via a second interface of each memristor. 1. A 1-Selector n-Resistor memristive device , comprising:a first electrode;a selector, wherein a first interface of the selector is coupled to the first electrode;a plurality of memristors, wherein a first interface of each memristor is coupled to a second interface of the selector; anda plurality of second electrodes, wherein each second electrode is coupled to one of the memristors via a second interface of each memristor.2. The memristive device of claim 1 , wherein each memristor is coupled to one second electrode.3. The memristive device of claim 1 , wherein the selector is a crested tunnel barrier selector.4. The memristive device of claim 3 , wherein the selector comprises at least three layers forming a tunneling barrier claim 3 , wherein each layer is semiconducting or insulating.5. The memristive device of claim 4 , wherein the selector comprises a three-layer structure selected from the group consisting of XN—XO—XN; XN—YO—ZN; XN—YO—XN; XO—XN—XO; XO—YN—XO; XO—YN—ZO; XO—YO—XO; XO—YO—ZO; XN—YN—ZN; and XN—YN—XN claim 4 ,wherein X represents a compound-forming metal different from Y and Z.6. The memristive device of claim 5 , wherein the compound-forming metals are selected from the group consisting of Ta claim 5 , Hf claim 5 , Zr claim 5 , Al claim 5 , Co claim 5 , Ni claim 5 , Fe claim 5 , Nb claim 5 , Mo claim 5 , W claim 5 , Cu claim 5 , Mg claim 5 , Ca and Ti.7. The memristive device of claim 1 , wherein the memristive device comprises at least four memristors.8. The memristive device of claim 1 , further comprising an ...

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Номер записи: 73
17-07-2014 дата публикации

MOLECULAR SENSING DEVICE

Номер: US20140198314A1
Автор: Kim Ansoon, Li Zhiyong
Принадлежит:

A molecular sensing device includes a substrate; a well i) formed in a material that is positioned on a surface of the substrate or ii) formed in a surface of the substrate; a signal amplifying structure positioned in the wed; and an immersion fluid deposited into the well and surrounding the signal amplifying structure. 1. A molecular sensing device , comprising:a substrate;a well i) formed in a material that is positioned on a surface of the substrate or ii) formed in a surface of the substrate;a signal amplifying structure positioned in the well; andan immersion fluid deposited into the well and surrounding the signal amplifying structure.2. The molecular sensing device as defined in wherein the immersion fluid includes an inert gas claim 1 , a liquid claim 1 , or a liquid and a functional species dissolved in the liquid.3. The molecular sensing device as defined in claim 1 , further comprising a removable cover that seals the immersion fluid in the well when the removable cover is in a closed position.4. The molecular sensing device as defined in wherein the device includes:an array of discrete wells i) formed in the material that is positioned on the surface of the substrate or ii) formed in the surface of the substrate;a respective signal amplifying structure in each of the discrete wells.5. The molecular sensing device as defined in wherein:the immersion fluid is the same in each of the discrete wells; orthe immersion fluid is different in each of the discrete wells; orsome of the discrete wells have the immersion fluid and some other of the discrete wells have one or more other immersion fluids that are different from the immersion fluid.6. The molecular sensing device as defined in claim 4 , further comprising a barrier wall fluidly separating at least two of the discrete wells in the array.7. The molecular sensing device as defined in wherein at least two of the respective signal amplifying structures are functionalized to be receptive to a different ...

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Номер записи: 74
18-04-2019 дата публикации

PROCESS CARTRIDGE

Номер: US20190113880A1
Автор: CAO JIANXIN, DING Geming, GU WEIDONG, Li Xiong, LI Yonghong, Li Zhiyong, Liu Xiaobing
Принадлежит: STATIC CONTROL COMPONENTS, INC.

The invention relates to a process cartridge, which comprises a process cartridge housing, a photosensitive member, a driving force receiving opening, a retractable mechanism and a control mechanism, wherein the photosensitive member is arranged inside the process cartridge housing; the driving force receiving opening is connected with the photosensitive member and provides a driving force for the photosensitive member; the retractable mechanism allows the driving force receiving opening to extend or retract in the axial direction of the photosensitive member; and the control mechanism controls the extension and retraction of the retractable mechanism. 122-. (canceled)23. An imaging cartridge comprising:an imaging cartridge body; anda driving force receiving member attached to a generally cylindrical flange having an axis of rotation, said flange secured to the cartridge body such that the flange is rotatable and movable in an axial direction along the axis.24. The imaging cartridge of claim 23 , wherein the flange and the driving force receiving member move axially from a first position where the driving force receiving member is extended a first distance to a second position where the driving force receiving member is extended a second distance claim 23 , wherein the first distance is different from the second distance.25. The imaging cartridge of claim 24 , wherein the flange maintains a fixed distance to the driving force receiving member in both the first position and the second position.26. The imaging cartridge of claim 23 , further comprising a photosensitive member claim 23 , wherein the flange is attached to a first end of the photosensitive member.27. The imaging cartridge of claim 23 , wherein the driving force receiving member is secured to the flange such that a distance from an end of the driving force receiving member to the flange does not change.28. A method of installing an imaging cartridge into an imaging device comprising:providing the imaging ...

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Номер записи: 75
09-06-2022 дата публикации

VANADIUM-CONTAINING ELECTRODES AND INTERCONNECTS TO TRANSPARENT CONDUCTORS

Номер: US20220181506A1
Автор: Hilali Mohamed M., Li Zhiyong, WEI JIFENG, Xu Xiangling, Zhang Yaping
Принадлежит:

Intermediate temperature metallization pastes containing vanadium are disclosed. The metallization pastes can be used to fabricate electrodes interconnected to a transparent conductor. 1. An electronic device comprising a vanadium-containing electrode contacting a transparent conductive oxide layer , wherein the vanadium-containing electrode comprises:from 0.1 wt % to 2 wt % of a vanadium-containing glass system; andfrom 98.0 wt % to 99.9 wt % of silver Ag,wherein wt % is based on the weight of the vanadium-containing electrode, and [{'sub': 2', '5, 'from 20 wt % to 60 wt % vanadium pentoxide VO;'}, 'from 30 wt % to 60 wt % lead oxide PbO; and', {'sub': '2', 'from 3 wt % to 30 wt % wt % tellurium oxide TeO;'}, 'wherein wt % is based on the weight of the metal oxide composition., 'wherein the vanadium-containing glass system is prepared from a metal oxide composition comprising2. The electronic device of claim 1 , wherein the metal oxide composition comprises a wt % ratio of TeO/VOfrom 0.1 to 1.0.3. The electronic device of claim 1 , wherein the metal oxide composition comprises a wt % ratio of PbO to VOfrom 0.4 to 2.5.4. The electronic device of claim 1 , wherein the metal oxide composition comprises from 0 wt % to 1.5 wt % lithium oxide LiO.5. The electronic device of claim 1 , wherein the electrode comprises from 0.008 wt % to 0.8 wt % vanadium V; from 0.01 wt % to 1.35 wt % lead Pb claim 1 , and from 0.02 wt % to 0.55 wt % tellurium Te claim 1 , where wt % is based on the total weight of the electrode.6. The electronic device of claim 1 , wherein the electrode comprises a wt % ratio of Te to V from 0.003 to 70.7. The electronic device of claim 1 , wherein the electrode comprises a wt % ratio of Pb to V from 0.0125 to 170.8. The electronic device of claim 1 , wherein the transparent conductive oxide layer has a thickness from 10 nm to 250 nm.9. The electronic device of claim 1 , wherein the vanadium-containing electrode comprises copper claim 1 , aluminum claim 1 ...

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Номер записи: 76
17-07-2014 дата публикации

DEVICES TO DETECT A SUBSTANCE AND METHODS OF PRODUCING SUCH A DEVICE

Номер: US20140199778A1
Автор: Hu Min, Kim Ansoon, Li Zhiyong, Stuke Michael Josef, Wu Wei
Принадлежит:

Devices to detect a substance and methods of producing such a device are disclosed. An example device to detect a substance includes a housing defining an externally accessible chamber and a seal to enclose at least a portion of the chamber. The example device also includes a substrate includes nanoparticles positioned within the chamber. The nanoparticles to react to the substance when exposed thereto. The example device also includes a non-analytic solution within the chamber to protect the nanoparticles from premature exposure. 1. A device to detect a substance , comprising:a housing defining an externally accessible chamber;a seal to enclose at least a portion of the chamber;a substrate comprising nanoparticles positioned within the chamber, the nanoparticles to react to the substance when exposed thereto; anda non-analytic solution within the chamber to protect the nanoparticles from premature exposure.2. The device of claim 1 , wherein the substance comprises an analyte and the non-analytic solution comprises a liquid to reduce premature exposure of the nanoparticles to the analyte.3. The device of claim 2 , wherein the non-analytic solution comprises at least one of water claim 2 , distilled water claim 2 , alcohol claim 2 , ethanol claim 2 , or a hydrocarbon solution.4. The device of claim 1 , wherein the substrate comprises a Surface Enhanced Raman spectroscopy substrate claim 1 , a self actuating Surface Enhanced Raman spectroscopy substrate claim 1 , an Enhanced Fluorescence spectroscopy substrate claim 1 , or an Enhanced Luminescence spectroscopy substrate.5. The device of claim 1 , wherein the nanostructures comprise at least one of pillar structures or conical structures.6. The device of claim 1 , wherein the nanostructures are at least partially transparent.7. The device of claim 1 , further comprising an absorbent separated from the non-analytic solution by the seal.8. The device of claim 7 , wherein the absorbent is to at least partially absorb the ...

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Номер записи: 77
07-05-2015 дата публикации

KEY NEGOTIATION METHOD AND APPARATUS ACCORDING TO SM2 KEY EXCHANGE PROTOCOL

Номер: US20150124970A1
Автор: Li Zhiyong, Yan Xiang
Принадлежит:

The invention relates to the technical field of information, and disclosed in the present invention are a key negotiation method and apparatus according to the SM2 key exchange protocol. The method is implemented as follows: two negotiation parties both calculate a parameter W according to the minimum positive integer value in the permissible values of X which enable an inequality n≦2to hold, and perform key negotiation with the opposite negotiation party according to the parameter W. Compared with a method for calculating the parameter W through calculating log2 (n) logarithmic value firstly and then rounding up the logarithmic value, the method disclosed by the invention has the advantages that the calculated amount is effectively reduced, and the implementation complexity of an algorithm is reduced, thereby greatly improving the implementation efficiency of the key negotiation process based on the SM2 key exchange protocol, and then optimizing the engineering implementation of the SM2 key exchange protocol. 1. A key negotiation method according to an SM2 key exchange protocol , comprising:determining a value of an elliptic curve parameter, Order n, used in current key negotiation;{'sup': 'x', 'calculating a minimum positive integer value of X when the Order n is smaller than or equal to 2, and obtaining a value of a parameter W based on the obtained minimum positive integer value of X; and'}performing the key negotiation with an opposite negotiation party based on the value of the parameter W.2. The method of claim 1 , wherein the step of calculating the minimum positive integer value of X when the Order n is smaller than or equal to 2comprises:obtaining an effective bit number m of the Order n; and{'sup': m-1', 'm-1, 'judging whether the value of the Order n is larger than a value of 2, if so, directly treating a current value of m as the minimum positive integer value of X; otherwise subtracting a set step value from m time by time, and comparing the value of ...

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Номер записи: 78
31-07-2014 дата публикации

TRAVELING WAVE DIELECTROPHORESIS SENSING DEVICE

Номер: US20140209463A1
Автор: Barcelo Steven J., Bratkovski Alexandre M., Gibson Gary, Li Zhiyong, Zhou Zhang-Lin
Принадлежит: Hewlett-Packard Development Company, L.P.

The present disclosure is drawn to traveling wave dielectrophoresis sensing devices and associated methods. In an example, a traveling wave dielectrophoresis sensing device can comprise an array of electromagnetic field enhancing nanostructures attached to the substrate, the electromagnetic field enhancing nanostructures including a metal; a plurality of conductive element electrically associated with the electromagnetic field enhancing nanostructures; and a controller for applying alternating and out of phase potential to the plurality of conductive elements to form traveling wave dielectrophoretic forces within the array. 1. A traveling wave dielectrophoresis sensing device , comprising:a substrate; andan array of electromagnetic field enhancing nanostructures attached to the substrate, the electromagnetic field enhancing nanostructures comprising a metal;a plurality of conductive element electrically associated with the electromagnetic field enhancing nanostructures; anda controller for applying alternating and out of phase potential to the plurality of conductive elements to form traveling wave dielectrophoretic forces within the array.2. The traveling wave dielectrophoresis sensing device of claim 1 , wherein the controller is adapted to create the traveling wave dielectrophoretic force for generating a hot spot within the array.3. The traveling wave dielectrophoresis sensing device of claim 2 , the device further comprising a mobile engineered particle within the array claim 2 , the mobile engineered particle including a metal.4. The traveling wave dielectrophoresis sensing device of claim 3 , wherein the hot spot is generated by movement of the mobile engineered particle toward one or more of the electromagnetic field enhancing nanostructures.5. The traveling wave dielectrophoresis sensing device of claim 3 , wherein the mobile engineered particle is modified with a surface active ligand that is formulated to attract an analyte claim 3 , and wherein i) the ...

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Номер записи: 79
31-07-2014 дата публикации

FORMING 3-D NANO-PARTICLE ASSEMBLIES

Номер: US20140209837A1
Автор: Barcelo Steven J., Gibson Gary, Kim Ansoon, Li Zhiyong, Zhou Zhang-Lin
Принадлежит: Hewlett-Packard Development Company, L.P.

According to an example, methods for forming three-dimensional (3-D) nano-particle assemblies include depositing SES elements onto respective tips of nano-fingers, in which the nano-fingers are arranged in sufficiently close proximities to each other to enable the tips of groups of adjacent ones of the nano-fingers to come into sufficiently close proximities to each other to enable the SES elements on the tips to be bonded together when the nano-fingers are partially collapsed. The methods also include causing the nano-fingers to partially collapse toward adjacent ones of the nano-fingers to cause a plurality of SES elements on respective groups of the nano-fingers to be in relatively close proximities to each other and form respective clusters of SES elements, introducing additional particles that are to attach onto the clusters of SES elements, and causing the clusters of SES elements to detach from the nano-fingers. 1. A method for forming three-dimensional (3-D) nano-particle assemblies , said method comprising:depositing a plurality of surface-enhanced spectroscopy (SES) elements onto respective tips of a plurality of nano-fingers, wherein the nano-fingers are arranged in sufficiently close proximities to each other to enable the tips of groups of adjacent ones of the nano-fingers to come into sufficiently close proximities to each other to enable the SES elements on the tips to be bonded together when the nano-fingers are partially collapsed;causing the nano-fingers to partially collapse toward adjacent ones of the nano-fingers to cause a plurality of SES elements on respective groups of the nano-fingers to be in relatively close proximities to each other and form respective clusters of SES elements;introducing additional particles that are to attach onto the clusters of SES elements; andcausing the clusters of SES elements to detach from the nano-fingers.2. The method according to claim 1 , wherein causing the nano-fingers to partially collapse onto adjacent ...

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Номер записи: 80
31-07-2014 дата публикации

PLASMON RESONANCE BASED STRAIN GAUGE

Номер: US20140211195A1
Автор: BARCELO STEVEN J, Gibson Gary, Kim Ansoon, Li Zhiyong, YAMAKAWA Mineo
Принадлежит: Hewlett-Packard Development Company, L.P.

A strain gauge or other device may include a deformable medium and discrete plasmon supporting structures arranged to create one or more plasmon resonances that change with deformation of the medium and provide the device with an optical characteristic that indicates the deformation of the medium. 1. A strain gauge comprising:a medium that is deformable; anda plurality of discrete plasmon supporting structures arranged with the medium to create one or more plasmon resonances that change with deformation of the medium so that a color of light scattered from the strain gauge visibly changes with the deformation of the medium.2. The strain gauge of claim 1 , wherein the medium is a surface of or is attached to a surface of an object that is subject to strain to be observed.3. (canceled)4. The strain gauge of claim 6 , wherein each of the first optical characteristic and the second optical characteristic is selected from a group consisting of a frequency claim 6 , an amplitude claim 6 , and a width of a feature that the one or more plasmon resonances create in a spectral distribution of light scattered from the strain gauge.5. A strain gauge comprising:a medium that is deformable; anda plurality of discrete plasmon supporting structures arranged with the medium to create one or more plasmon resonances that change with deformation of the medium and provide the strain gauge with an optical characteristic that depends on the deformation of the medium, wherein the discrete plasmon supporting structures are arranged to form a hierarchical structure that includes:a plurality of first assemblies of the discrete plasmon supporting structures, wherein the plasmon supporting structures have first separations within the first assemblies; andone or more second assemblies containing the first assemblies, wherein the first assemblies have second separations within the one or more second assemblies.6. The strain gauge of claim 5 , wherein:a first of the one or more plasmon resonance ...

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Номер записи: 81
31-07-2014 дата публикации

ELECTRIC FIELD GENERATING APPARATUS FOR PERFORMING SPECTROSCOPY

Номер: US20140211196A1
Автор: Li Zhiyong, SAMUELS Brian C.
Принадлежит: Hewlett-Packard Development Company, L.P.

According to an example, an apparatus for performing spectroscopy includes a substrate on which a plurality of surface-enhanced spectroscopy (SES) elements are positioned substantially along a first plane. The apparatus also includes a first electrode positioned adjacent to the plurality of SES elements substantially along the first plane and a second electrode positioned adjacent to the plurality of SES elements substantially along the first plane and on a side of the plurality of SES elements that is opposite the first electrode. The first electrode and the second electrode are to generate an electric field around the plurality of SES elements when voltages are applied through the first electrode and the second electrode. 1. An apparatus for performing spectroscopy , the apparatus comprising:a substrate having a surface;a plurality of surface-enhanced spectroscopy (SES) elements positioned substantially along a first plane on the surface of the substrate;a first electrode positioned adjacent to the plurality of SES elements substantially along the first plane; anda second electrode positioned adjacent to the plurality of SES elements substantially along the first plane and on a side of the plurality of SES elements that is opposite the first electrode, wherein the first electrode and the second electrode are to generate an electric field around the plurality of SES elements when voltages are applied through the first electrode and the second electrode.2. The apparatus according to claim 1 , wherein the first electrode and the second electrode are positioned on the surface of the substrate.3. The apparatus according to claim 1 , further comprising:a third electrode positioned beneath the plurality of SES elements, wherein the first electrode and the second electrode are to have a common bias and the third electrode is to have a bias that is opposite the common bias.4. The apparatus according to claim 3 , further comprising:a fourth electrode positioned outside of ...

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Номер записи: 82
31-07-2014 дата публикации

MULTIPLE CONCURRENT SPECTRAL ANALYSES

Номер: US20140211199A1
Автор: Barcelo Steven J., Bratkovski Alexandre M., Gibson Gary, Kim Ansoon, Kuo Huei Pei, Li Zhiyong, WANG Shih-Yuan
Принадлежит: Hewlett-Packard Development Company, L.P.

According to an example, apparatuses for performing multiple concurrent spectral analyses on a sample under test include an optical system to concurrently direct a plurality of light beams onto analytes at multiple locations on the sample under test, in which the plurality of light beams cause light in either or both of a Raman spectra and a non-Raman spectra to be emitted from the analytes at the multiple locations of the sample under test. The apparatuses also include a detector to concurrently acquire a plurality of spectral measurements of the light emitted from the analytes at the multiple locations of the sample under test. Example methods of performing spectral analysis include use of the apparatuses. 1. An apparatus for performing multiple concurrent spectral analyses on a sample under test , said apparatus comprising:an optical system to concurrently direct a plurality of light beams onto analytes at multiple locations on the sample under test, wherein the plurality of light beams cause light in either or both of a Raman spectra and a non-Raman spectra to be emitted from the analytes at the multiple locations of the sample under test; anda detector to concurrently acquire a plurality of spectral measurements of the light emitted from the analytes at the multiple locations of the sample under test.2. The apparatus according to claim 1 , further comprising:a processor to process the plurality of spectral measurements to generate spectral representations of the analytes at the multiple locations of the sample under test, wherein each of the generated spectral measurements includes at least one of the Raman spectra and the non-Raman spectra.3. The apparatus according to claim 1 , wherein a first location of the multiple locations on the sample under test is functionalized for enhanced Raman scattering and a second location of the multiple locations on the sample under test is functionalized for enhanced non-Raman signal emission.4. The apparatus according to ...

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Номер записи: 83
31-07-2014 дата публикации

APPARATUS FOR COLLECTING MATERIAL TO BE SPECTRALLY ANALYZED

Номер: US20140211206A1
Автор: Gibson Gary, Kuo Huei Pei, Li Zhiyong, WANG Shih-Yuan
Принадлежит: Hewlett-Packard Development Company, L.P.

According to an example, an apparatus for collecting a material to be spectrally analyzed includes a body having a first end and a second end, in which the body is elongated along a first axis from the first end to the second end. The body also includes a hole having an opening formed in an external surface of the body at a location between the first end and the second end and extending at least partially through the body at an angle with respect to the first axis. The body further includes a plurality of surface-enhanced spectroscopy (SES) elements positioned inside the body. 1. An apparatus for collecting a material to be spectrally analyzed , said apparatus comprising:a body having a first end and a second end, wherein the body is elongated along a first axis from the first end to the second end and is to be inserted through a surface of an item of interest;a hole having a first opening formed in an external surface of the body and a second opening formed at an interior of the body, wherein the second opening is closer to the first end of the body than the first opening; anda plurality of surface-enhanced spectroscopy (SES) elements positioned inside the body.2. The apparatus according to claim 1 , wherein the body comprises a perimeter wall surrounding a hollow core claim 1 , wherein the hollow core is formed by an interior surface of the perimeter wall and extends along the first axis claim 1 , and wherein the second opening is formed in an inner surface of the perimeter wall.3. The apparatus according to claim 2 , wherein the hollow core extends from the first end to the second end of the body claim 2 , said apparatus further comprising:a cover that blocks an opening in the hollow core at the first end.4. The apparatus according to claim 3 , wherein the cover comprises a first surface that faces the hollow core and a second surface that faces away from the hollow core claim 3 , and wherein the first surface comprises a light reflector and the second surface ...

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Номер записи: 84
31-07-2014 дата публикации

DEVICE FOR MONITORING AND CONTROLLING CELLULAR GROWTH

Номер: US20140212867A1
Автор: Li Zhiyong, YAMAKAWA Mineo
Принадлежит: Hewlett-Packard Development Company, L.P.

The present disclosure is drawn to a device for monitoring and controlling live cells and associated methods. In an example, the device can include a plurality of elongated nanostructures affixed to a substrate. The elongated nanostructures can each have an attachment end and a free end opposite the attachment end. The free end includes a metal and the attachment end is affixed to the substrate. The device can further include a functionalization layer that is coated on the free end of at least a portion of the plurality of elongated nanostructures. The functionalization layer can be formulated to retain live cells, and the device can be configured to be used in conjunction with a detector, such as a Raman spectrometer, in order to monitor growth of live cells. 1. A device for monitoring and controlling cellular growth , comprising:a substrate;a plurality of elongated nanostructures, each of the plurality of elongated nanostructures having an attachment end and a free end opposite the attachment end, the free end comprising a metal and the attachment end affixed to the substrate, wherein the metal comprises a multilayer structure of a first metal and a second metal different than the first metal; anda functionalization layer coated on the free end of at least a portion of the plurality of elongated nanostructures, said functionalization layer formulated to retain live cells,wherein the device is configured to be used in conjunction with a detector in order to monitor growth of live cells.2. The device of claim 1 , wherein the detector is selected from the group of a colorimeter claim 1 , a reflectometer claim 1 , a spectrometer claim 1 , a spectrophotometer claim 1 , a Raman spectrometer claim 1 , an optical microscope claim 1 , and an instrument for measuring luminescence.3. A device of claim 1 , wherein the plurality of elongated nanostructures include columnar structures that are less conductive than the metal.4. A device of claim 1 , wherein the metal is selected ...

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Номер записи: 85
03-06-2021 дата публикации

CATALYST FOR THE PRODUCTION OF CARBOXYLIC ACID ESTER

Номер: US20210162386A1
Автор: Li Zhiyong, MISTRY Bharat, SINGH Inder Pal, SINGH Shradha
Принадлежит:

Catalysts and methods for use in conversion of glycerides and free fatty acids to biodiesel are described. A batch or continuous process may be used with the catalysts for transesterification of triglycerides with an alkyl alcohol to produce corresponding mono carboxylic acid esters and glycerol in high yields and purity. Similarly, alkyl and aryl carboxylic acids and free fatty acids are also converted to corresponding alkyl esters. Catalysts are capable of simultaneous esterification and transesterification under same process conditions. The described catalysts are thermostable, long lasting, and highly active. 1: A catalyst comprising:at least one Mesoporous Linde Type A (MLTA) zeolite, alone or in combination with:at least one ion exchanged Modified Molecular Sieve (MMS) selected from the group consisting of MMS-3 ÅK, MMS-3 ÅCs, MMS-4 ÅK, MMS-4 ÅCs, MMS-5 ÅK and MMS-5 ÅCs; and/orat least one metal oxide selected from the group consisting of groups IIB, IIIA, IIIB, IVA and IVB metals.2: The catalyst of claim 1 , wherein the at least one metal oxide is selected from the group of consisting of Al claim 1 , Ga claim 1 , Hf claim 1 , La claim 1 , Si claim 1 , Ti claim 1 , Zn and Zr metal.3: The catalyst of claim 1 , wherein the catalyst has a composition u(AlO).v(TiO).w(ZnO).x(MMS).y(MLTA) claim 1 , wherein 0≤u≤3 (wt); 0≤v≤3 (wt); 0≤w≤3 (wt); and x+y≥0.4: The catalyst of claim 3 , wherein the catalyst has a composition 1(AlO).1(TiO).1(ZnO).12.5(MMS).4.2(MLTA) or 1(AlO).1(TiO).1(ZnO).2.3(MMS).8.3(MLTA).56-. (canceled)7: The catalyst of claim 1 , wherein the catalyst has an average pore diameter between about 10 Å and about 500 Å claim 1 , a surface area between about 1 m/g and about 100 m/g claim 1 , and/or a pore volume between about 0.01 cm/g and 1 cm/g.813-. (canceled)14: A method of performing an esterification and/or a transesterification of a starting material claim 1 , comprising reacting the starting material with an alcohol in the presence of a catalyst as ...

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Номер записи: 86
07-08-2014 дата публикации

APPARATUS FOR USE IN A SENSING APPLICATION HAVING A DESTRUCTIBLE COVER

Номер: US20140218727A1
Автор: JR. Gary L., Li Zhiyong, Vondran
Принадлежит:

An apparatus for use in a sensing application includes a body having a cavity containing an opening. The apparatus also includes a plurality of nano-fingers positioned in the cavity and a destructible cover covering the opening in the cavity to protect the plurality of nano-fingers, wherein the destructible cover is to be destroyed to enable access to the plurality of nano-fingers. 1. An apparatus for use in a sensing application , said apparatus comprising:a body having a cavity containing an opening;a plurality of nano-fingers positioned in the cavity; anda destructible cover covering the opening in the cavity to protect the plurality of nano-fingers, wherein the destructible cover is to be destroyed to enable access to the plurality of nano-fingers.2. The apparatus according to claim 1 , wherein the plurality of nano-fingers comprise respective bases and tips claim 1 , said apparatus further comprising:Raman-active material nano-particles attached to respective tips of the plurality of nano-fingers.3. The apparatus according to claim 1 , wherein the plurality of nano-fingers are formed one of directly on a surface of the body and on a substrate that is positioned within the cavity.4. The apparatus according to claim 1 , wherein the destructible cover is attached to an area around an opening of the cavity in a manner to hermetically seal the cavity.5. The apparatus according to claim 1 , wherein a gap is provided between the plurality of nano-fingers and the destructible cover claim 1 , wherein the gap is filled with a filling material that does not substantially interact with the plurality of nano-fingers.6. The apparatus according to claim 1 , wherein a portion of the body containing the cavity and the destructible cover is to be deposited into a substance to be tested claim 1 , and wherein the destructible cover comprises a material that decomposes in the substance to be tested within a predetermined length of time.7. The apparatus according to claim 6 , ...

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Номер записи: 87
17-05-2018 дата публикации

STRUCTURES FOR SURFACE ENHANCED RAMAN

Номер: US20180136135A1
Автор: Barcelo Steven, GE NING, Li Zhiyong
Принадлежит:

In one example, a structure for surface enhanced Raman spectroscopy includes a cluster of metal nanoparticles in a hole. 1. A structure for surface enhanced Raman spectroscopy , comprising a cluster of metal nanoparticles in a hole.2. The structure of claim 1 , where the hole is tapered and the cluster of nanoparticles includes a nanoparticle in a narrower part of the hole and multiple nanoparticles in a broader part of the hole.3. The structure of claim 2 , where the nanoparticles are clustered in layers.4. The structure of claim 3 , where a layer at a narrow part of the hole includes a single nanoparticle.5. The structure of claim 1 , comprising a single hole and a cluster of gold claim 1 , silver or copper nanoparticles in the hole.6. The structure of claim 1 , comprising multiple holes and a cluster of gold claim 1 , silver or copper nanoparticles in each of the holes.7. The structure of claim 1 , comprising a reflective material lining the hole.8. The structure of claim 7 , comprising a dielectric coating the reflective lining to electrically insulate the metal nanoparticles from the reflective lining.9. A structure for surface enhanced Raman spectroscopy claim 7 , comprising:a substrate having a tapered hole therein and a surface surrounding the hole; anda cluster of metal nanoparticles in the hole and not on the surface surrounding the hole.10. The structure of claim 9 , where the tapered hole is cone shaped or pyramid shaped.11. The structure of claim 10 , where the nanoparticles are clustered in the hole in two layers or in three layers.12. The structure of claim 11 , where the cluster includes a total of more than two nanoparticles and fewer than ten nanoparticles across a broadest part of the hole.13. A process to make a structure for surface enhanced Raman spectroscopy claim 11 , the process comprising drawing a solution containing metal nanoparticles over a hole in a substrate to deposit metal nanoparticles in the hole.14. The process of claim 13 , ...

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Номер записи: 88
24-05-2018 дата публикации

ANALYTE DETECTION PACKAGE HOUSING

Номер: US20180143135A1
Автор: Barcelo Steven, Dooley Kevin, GE NING, Li Zhiyong
Принадлежит:

In one example, an analyte detection package includes a substrate, surface-enhanced luminescence (SEL) structures extending from the substrate and a low wettability housing. The SEL structures have a first wettability for a given liquid. The low wettability housing extends from the substrate to form a chamber between the housing of the substrate about the SEL structures to receive an analyte containing solution. The housing has an inner surface adjacent the chamber, wherein the inner surface has a second wettability for the given liquid less than the first wettability. 1. An analyte detection package comprising:a substrate;a surface-enhanced luminescence (SEL) structure extending from the substrate, the SEL structure having a first wettability for a given liquid;a low wettability housing extending from the substrate to form a chamber between the housing of the substrate about the SEL structure to receive an analyte containing solution, the housing having an inner surface adjacent the chamber, the inner surface having a second wettability for the given liquid less than the first wettability.2. The analyte detection package of claim 1 , wherein the inner surface has a wettability contact angle of greater than 90° as measured with ethanol.3. The analyte detection package of claim 1 , wherein the inner surface has a wettability contact angle of at least 110° as measured with ethanol.4. The analyte detection package of claim 1 , wherein the inner surface has a wettability contact angle of at least 150° as measured with ethanol.5. The analyte detection package of claim 1 , wherein the inner surface has a roughness of between 1 micrometer and 100 μm.6. The analyte detection package of claim 1 , wherein the inner surface has a secondary roughness of between 50 nanometers and 200 nm.7. The analyte detection package of claim 1 , wherein the substrate has a first surface portion formed from a high surface diffusivity metal selected from a group of metals consisting of gold ...

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Номер записи: 89
24-05-2018 дата публикации

SURFACE ENHANCED LUMINESCENCE ELECTRIC FIELD GENERATING BASE

Номер: US20180143136A1
Автор: Barcelo Steven, GE NING, Li Zhiyong
Принадлежит:

Provided in one example is an analyte detection apparatus that includes surface enhanced luminescence (SEL) structure. A dielectric layer underlies the SEL structure. An electric field generating base underlies the dielectric layer. The electric field generating base is to apply an electric field about the SEL structures to attract charged ions to the SEL structures. 1. An analyte detection apparatus comprising:a surface enhanced luminescence (SEL) structure;a dielectric layer underlying the SEL structure; andan electric field generating base underlying the dielectric layer, the electric field generating base to apply an electric field about the SEL structure to attract charged ions to the SEL structure.2. The analyte detection package of further comprising a metal floor from which the SEL structure extends claim 1 , wherein the dielectric layer underlies the metal floor.3. The analyte detection apparatus of further comprising a housing above the metal floor and over the SEL structure claim 2 , the housing supporting a counter electrode to facilitate the generation of the electric field.4. The analyte detection apparatus of claim 1 , wherein the electric field generating base comprises an integrated transistor.5. The analyte detection apparatus of claim 1 , wherein the electric field generating base comprises a floating gate.6. The analyte detection apparatus of claim 1 , wherein the electric field generating base comprises an erasable programmable read-only memory (EPROM) chip.7. The analyte detection apparatus of claim 1 , wherein the electric field generating base comprises:a substrate;a source electrode supported by the substrate;a drain electrode supported by the substrate;a channel material between the source electrode in the drain electrode; anda floating gate spaced opposite the channel material between the source electrode and the drain electrode, wherein the dielectric layer is between the floating gate and the SEL structure.8. An apparatus comprising:an ...

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Номер записи: 90
24-06-2021 дата публикации

UV-RESISTANT AND ALKALINE-RESISTANT BOROSILICATE GLASS AND USE THEREOF

Номер: US20210188697A1
Автор: HE Xinqian, HONG Weiqiang, HUANG Fangfang, Jiang Yong, Li Zhiyong, ZHOU Zhengshang, ZHU Lianying
Принадлежит: DONGGUAN HEC PHARM R&D CO., LTD.

Disclosed is a type of borosilicate glass, the composition of which, based on oxides, contains the following components by weight percentage (wt %): 2.0 wt %-5.0 wt % of TiO, 0.25 wt %-2.5 wt % of CeOand 0.25 wt %-3.0 wt % of YO, and does not contain any iron compound, such as ferric oxide. The glass has better UV resistance and alkaline resistance properties, and a better light transmission rate, and is particularly suitable for use in the field of pharmaceutical packaging materials. 1. A borosilicate glass comprising the following constituents based on oxide: 2.0-5.0 wt % of TiO , 0.25-2.5 wt % of CeO , 0.25-3.0 wt % of YO , wherein the borosilicate glass is free of an iron compound.2. The borosilicate glass of claim 1 , wherein the total amount of SiO claim 1 , TiO claim 1 , and CeOis not less than 72.0 wt %.3. The borosilicate glass of claim 1 , further comprising the following constituents: 65.0-75.0 wt % of SiO claim 1 , 6.0-12.0 wt % of BO claim 1 , 3.5-6.5 wt % of AlO; and the total amount of NaO claim 1 , KO and LiO is 5.5-9.5 wt %; and the total amount of CaO claim 1 , MgO and BaO is 1.0-5.5 wt %.4. The borosilicate glass of claim 1 , wherein the total amount of NaO claim 1 , KO and LiO is 5.5-9.5 wt %; the total amount of CaO claim 1 , MgO and BaO is 1.0-5.5 wt %; and the total amount of SiO claim 1 , TiOand CeOis not less than 72.0 wt %.5. The borosilicate glass of claim 1 , wherein the amount of CeOis 0.5-1.5 wt %.6. The borosilicate glass of claim 1 , wherein the amount of CeOis 0.5-1.5 wt % claim 1 , and the total amount of SiO claim 1 , TiO claim 1 , and CeOis not less than 72.0 wt %.7. The borosilicate glass of claim 1 , wherein the amount of CeOis 0.5-1.5 wt % claim 1 , the amount of SiOis 65.0-75.0 wt % claim 1 , the amount of BOis 6.0-12.0 wt % claim 1 , the amount of AlOis 3.5-6.5 wt %; and the total amount of NaO claim 1 , KO and LiO is 5.5-9.5 wt %; and the total amount of CaO claim 1 , MgO and BaO is 1.0-5.5 wt %.8. The borosilicate glass of ...

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Номер записи: 91
18-06-2015 дата публикации

Method for conducting data encryption and decryption using symmetric cryptography algorithm and table look-up device

Номер: US20150172043A1
Автор: JUN Cao, Xiang Yan, Zhiyong Li
Принадлежит: China Iwncomm Co Ltd

Disclosed are a method for conducting data encryption and decryption using a symmetric cryptography algorithm and a table look-up device. The method comprises: when it is determined that it is required to use S-boxes to look up a table in a symmetric cryptography algorithm, determining all types of S-boxes to be used; for each type of S-box, determining the total number N i of the type of S-box, and when N i is larger than 1, determining that the type of S-box meets a multiplexing condition; and when data encryption and decryption are conducted using the symmetric cryptography algorithm, multiplexing at least one type of S-box which meets the multiplexing condition. The present application can reduce the occupation by the symmetric cryptography algorithm of hardware resources under the condition of comparative shortage of hardware resources.

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Номер записи: 92
25-06-2015 дата публикации

IMPLANTABLE NANOSENSOR

Номер: US20150173656A1
Автор: Barcelo Steven, Gibson Gary, Kim Ansoon, Li Zhiyong
Принадлежит: HEWLETT-PACKARD DEVEOPMENT COMPANY, L.P.

An implantable nanosensor includes a stent to be implanted inside a fluid conduit. The stent has a well in a surface of the stent. The implantable nanosensor further includes a nanoscale-patterned sensing substrate disposed in the well. The nanoscale-patterned sensing substrate is to produce an optical scattering response signal indicative of a presence of an analyte in a fluid carried by the fluid conduit when interrogated by an optical stimulus signal. 1. An implantable nanosensor comprising:a stent to be implanted inside a fluid conduit, the stent having a well in a surface of the stent; anda nanoscale-patterned sensing substrate disposed in the well, the nanoscale-pattered sensing substrate to produce an optical scattering response signal indicative of a presence of an analyte in a fluid carried by the fluid conduit when interrogated by an optical stimulus signal.2. The implantable nanosensor of claim 1 , wherein the nanoscale-patterned sensing substrate comprises a surface enhanced Raman spectroscopy (SERS) substrate claim 1 , and wherein the optical scattering response signal is a Raman scattered signal.3. The implantable nanosensor of claim 2 , wherein the SERS substrate comprises a plurality of nanorods arranged in an array claim 2 , a nanorod of the plurality having a metallic tip to absorb the analyte claim 2 , the tip being at a free end of the nanorod opposite to an end that is attached to a support.4. The implantable nanosensor of claim 1 , wherein the fluid-carrying conduit comprises a blood vessel claim 1 , the fluid being blood that comprises the analyte claim 1 , the implantable nanosensor to provide in vivo sensing of the analyte.5. The implantable nanosensor of claim 1 , further comprising a protective membrane to cover an opening of the well claim 1 , the protective membrane being semipermeable to facilitate passage of the analyte from the fluid conduit into the well.6. The implantable nanosensor of claim 5 , wherein the nanoscale-patterned ...

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Номер записи: 93
25-06-2015 дата публикации

FABRICATING AN APPARATUS FOR USE IN A SENSING APPLICATION

Номер: US20150177151A1
Автор: Hu Min, Kim Ansoon, Li Zhiyong, Ou Fung Suong
Принадлежит:

In a method of fabricating an apparatus for use in a sensing application, a plurality of nano-fingers are formed on a substrate and a Raman-active material nano-particle is formed on respective tips of the nano-fingers. In addition, the Raman-active material nano-particles on the tips of adjacent ones of the nano-fingers are caused to come into contact with the Raman-active material nano-particle on the tip of at least another one of the plurality of nano-fingers to form respective clusters and the clusters of Raman-active material nano-particles are transferred to a component layer from the plurality of nano-fingers while maintaining a spatial relationship between the contacting Raman-active material nano-particles. 1. A method of fabricating an apparatus for use in a sensing application , said method comprising:forming a plurality of nano-fingers on a substrate;forming a Raman-active material nano-particle on respective tips of the nano-fingers;causing the Raman-active material nano-particles on the tips of adjacent ones of the nano-fingers to come into contact with the Raman-active material nano-particle on the tip of at least another one of the plurality of nano-fingers to form respective clusters; andtransferring the clusters of Raman-active material nano-particles to a component layer from the plurality of nano-fingers while maintaining a spatial relationship between the contacting Raman-active material nano-particles.2. The method according to claim 1 , wherein causing the Raman-active material nano-particles on the tips of adjacent ones of the nano-fingers to come into contact with Raman-active material nano-particle on the tip of another one of the plurality of nano-fingers further comprises supplying a liquid into gaps between the tips of the plurality of nano-fingers claim 1 , and wherein evaporation of the liquid causes the tips of the plurality of nano-fingers to approach each other through capillary force.3. The method according to claim 2 , wherein ...

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Номер записи: 94
25-06-2015 дата публикации

PROCESS CARTRIDGE

Номер: US20150177683A1
Автор: CAO JIANXIN, DING Geming, GU WEIDONG, Li Xiong, LI Yonghong, Li Zhiyong, LlU Xiaobing
Принадлежит: Zhuhai Seine Technology Limited

The invention relates to a process cartridge, which comprises a process cartridge housing, a photosensitive member, a driving force receiving opening, a retractable mechanism and a control mechanism, wherein the photosensitive member is arranged inside the process cartridge housing; the driving force receiving opening is connected with the photosensitive member and provides a driving force for the photosensitive member; the retractable mechanism allows the driving force receiving opening to extend or retract in the axial direction of the photosensitive member; and the control mechanism controls the extension and retraction of the retractable mechanism. 1. A process cartridge , the process cartridge comprising:a process cartridge housing;a driving force receiving opening, anda flange comprising a stressed groove and stressed columns;a transmission part arranged on said driving force receiving opening; said transmission part is positioned in said stressed groove and between said stressed columns; andone or more objects positioned between said stressed columns and contacted with said transmission part.2. The process cartridge according to claim 1 , wherein a first guide post is further arranged on said driving force receiving opening; a first guide groove is further arranged on said flange; said first guide post can slide claim 1 , in the axial direction of said flange claim 1 , on said first guide groove.3. The process cartridge according to claim 2 , wherein a second guide groove is further arranged on said flange claim 2 , said second guide groove is arranged on the sidewall of said stressed columns.4. The process cartridge according to claim 1 , wherein a spring is further arranged between said driving force receiving opening and said flange claim 1 , said spring providing an elastic restoring force for said driving force receiving opening.5. The process cartridge according to claim 1 , wherein said at least one object is an elastic member.6. The process cartridge ...

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Номер записи: 95
21-06-2018 дата публикации

SILOXANE-CONTAINING SOLAR CELL METALLIZATION PASTES

Номер: US20180175220A1
Автор: Hilali Mohamed M., Li Zhiyong, Wei Zhang
Принадлежит:

Frontside metallization pastes for solar cell electrodes contain siloxanes. Metallization pastes containing siloxanes can be used to fabricate fine line, high aspect ratio, solar cell gridlines. 1. A metallization paste comprising from 0.01 wt % to 3 wt % of a siloxane , wherein the siloxane comprises a polysiloxane-modified resin; wherein wt % is based on the total weight of the metallization paste.2. The metallization paste of claim 1 , wherein the polysiloxane-modified resin comprises a polysiloxane-modified block copolymer claim 1 , a polysiloxane-modified graft copolymer claim 1 , or a combination thereof.3. The metallization paste of claim 2 , wherein the polysiloxane-modified block copolymer comprises segments of a polysiloxane and segments of another polymer resin.4. The metallization paste of claim 2 , wherein the polysiloxane-modified block copolymer comprises polysiloxane moieties pendent from a backbone of a polymeric resin.5. The metallization paste of claim 1 , wherein the polysiloxane-modified resin is characterized by:a molecular weight from 1,500 Daltons to 4,000 Daltons; anda viscosity from 10 cSt to 60 cSt, wherein viscosity is determined using a Brookfield DV-III+viscometer with a SC4-14 spindle at 10 rpm at a temperature of 25° C.6. The metallization paste of claim 1 , wherein the polysiloxane-modified resin is characterized by a molecular weight from 500 Daltons to 20 claim 1 ,000 Daltons.7. The metallization paste of claim 1 , wherein the siloxane further comprises a polysiloxane.8. The metallization paste of claim 7 , wherein the metallization paste comprises:from 0.01 wt % to 0.4 wt % of the polysiloxane-modified resin; andfrom 0.1 wt % to 6 wt % of the polysiloxane,wherein wt % is based on the total weight of the metallization paste.9. The metallization paste of claim 7 , wherein claim 7 ,the polysiloxane comprises a polydimethylsiloxane, a poly(methylhydrosiloxane), or a combination thereof; andthe polysiloxane-modified resin comprises a ...

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Номер записи: 96
18-09-2014 дата публикации

Self-Exciting Surface Enhanced Raman Spectroscopy

Номер: US20140268128A1
Автор: Bratkovski Alexandre M., Gibson Gary, Kuo Huei Pei, Li Zhiyong, WANG Shih-Yuan, Zhou Zhang-Lin
Принадлежит: Hewlett-Packard Development Company, L.P.

Self-exciting surface enhanced Raman spectroscopy (SERS) employs an integral optical excitation source to provide an excitation signal to provide self-excitation of a SERS structure. The SERS structure includes a plurality of nanofingers having SERS-enhancing nanoparticles disposed adjacent to the nanofingers. 1. A self-exciting surface enhanced Raman spectroscopy (SERS) structure comprising:a plurality of nanofingers, a nanofinger of the plurality including a nanolaser that comprises an optical gain material to provide stimulated photon emission and an optical cavity to provide optical feedback, the nanolaser being an integral optical excitation source to provide a optical excitation signal through light amplification by the stimulated emission of radiation within the optical cavity; anda nanoparticle disposed adjacent to the nanofingers and comprising a SERS-enhancing material, the optical excitation signal to illuminate the nanoparticle,wherein the self-exciting SERS substrate is to produce a Raman scattering signal from an analyte in a vicinity of the illuminated nanoparticle.2. The self-exciting SERS structure of claim 1 , wherein the optical gain material comprises one or more of a III-V compound semiconductor and a II-VI compound semiconductor.3. The self-exciting SERS substrate of claim 1 , wherein the nanoparticle is disposed on a free end of the nanofingers opposite an end that is attached to a supporting substrate.4. The self-exciting SERS substrate of claim 3 , wherein the nanoparticle comprises a metal surface that is functionalized to preferentially adsorb the analyte.5. The self-exciting SERS substrate of claim 3 , wherein the nanofingers are arranged in an ordered array on the supporting substrate claim 3 , the ordered array comprising a multimer of nanofingers to provide a SERS hotspot between adjacent ones of the nanoparticles disposed on the free ends of the nanofingers in the multimer.6. The self-exciting SERS substrate of claim 1 , wherein the ...

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Номер записи: 97
30-06-2016 дата публикации

PROCESS CARTRIDGE

Номер: US20160187844A1
Автор: CAO JIANXIN, DING Geming, GU WEIDONG, Li Xiong, LI Yonghong, Li Zhiyong, LlU Xiaobing
Принадлежит: ZHUHAI SEINE TECHNOLOGY CO., LTD.

The invention relates to a process cartridge, which comprises a process cartridge housing, a photosensitive member, a driving force receiving opening, a retractable mechanism and a control mechanism, wherein the photosensitive member is arranged inside the process cartridge housing; the driving force receiving opening is connected with the photosensitive member and provides a driving force for the photosensitive member; the retractable mechanism allows the driving force receiving opening to extend or retract in the axial direction of the photosensitive member; and the control mechanism controls the extension and retraction of the retractable mechanism. 1. A process cartridge , comprising:a process cartridge housing;a flange arranged inside said process cartridge housing;a driving force receiver connected with said flange and providing a driving force for said flange;wherein said process cartridge further comprises one or more control mechanism, at least one of said control mechanism controls said driving force receiver to move in the axial direction of said flange;wherein when viewed from the axial direction of said flange, at least one part of one of said control mechanism is overlapped with said flange, and one part of said control mechanism is outside of the outer periphery of said flange.2. The process cartridge according to claim 1 , further comprises a retractable mechanism;wherein said retractable mechanism comprises an elastic component which is arranged between said driving force receiver and said flange;said retractable mechanism allows said driving force receiver to move in the axial direction of said flange.3. The process cartridge according to claim 1 , wherein an external force acts on at least one part of said control mechanism to control said driving force receiver to move in the axial direction of said flange.4. The process cartridge according to claim 1 , wherein a first guide post is further arranged on said driving force receiver claim 1 , a ...

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Номер записи: 98
30-06-2016 дата публикации

METHOD AND DEVICE FOR GENERATING DIGITAL SIGNATURE

Номер: US20160191252A1
Автор: Li Zhiyong, Wan Hongtao, Yan Xiang
Принадлежит: CHINA IWNCOMM CO., LTD.

Disclosed are a method and device for generating a digital signature. The method comprises: a device generating a digital signature parameter r that meets an effective determining condition; generating a digital signature parameter s according to the following formula s=((1+d)·(r+k)−r)mod n, by using a private key d, a random number k, r, and an elliptic curve parameter n, a value range of k being [1, n−1]; determining if the generated s is 0; if s is 0, regenerating r that meets the effective determining condition, and regenerating s by using d, the regenerated k with the value range of [1, n−1] and the regenerated r and n, until s is not 0; converting data types of r and s that is not 0 into byte strings, to obtain a digital signature (r, s). According to the technical solutions provided by embodiments of this application, a digital signature parameter s is obtained by using a simplified calculation formula, and the number of times that big integers are calculated can be reduced, so that the calculation efficiency of generating a digital signature based on an SM2 digital signature generation algorithm is improved. 110.-. (canceled)11. A method for generating a digital signature , the method comprising:generating, by a device, a digital signature parameter r satisfying a validity judgment condition;{'sub': 'A', 'claim-text': {'br': None, 'i': s', 'd', 'r+k', 'r', 'n;, 'sub': 'A', 'sup': '−1', '=((1+)·()−)mod'}, 'generating, by the device, a digital signature parameter s using a private key d, a random number k in the range [1, n−1], the digital signature parameter r, and an elliptical curve parameter n in the equation of{'sub': 'A', 'judging, by the device, whether the digital signature parameter s is 0, and if the digital signature parameter s is 0, then regenerating a digital signature parameter r satisfying the validity judgment condition, and regenerating the digital signature parameter s using the private key d, a regenerated random number k in the range [1, n ...

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Номер записи: 99
05-07-2018 дата публикации

COOLANT LEAK DETECTION BASED ON A NANOSENSOR RESISTANCE MEASUREMENT

Номер: US20180188133A1
Автор: Cader Tahir, Franz John, Li Zhiyong
Принадлежит:

Examples herein relate to detecting a coolant leak. For example, a system includes a nanosensor coupled to an airflow channel in a server. The nanosensor provides a resistance measurement to a controller. The system includes the controller coupled to the nanosensor. The controller detects the coolant leak based on the resistance measurement from the nanosensor. 1. A system to detect a coolant leak , the system comprising:a nanosensor, coupled to an airflow channel in a server, to provide a resistance measurement to a controller; andthe controller, coupled to the nanosensor, to detect a coolant leak within the server based on the resistance measurement from the nanosensor.2. The system of comprising:a different nanosensor, coupled to the controller, to provide a different resistance measurement to the controller.3. The system of wherein the nanosensor and the different nanosensor are located on different substrates.4. The system of wherein the resistance measurement varies depending on a type of material comprising the nanosensor.5. The system of wherein to provide the resistance measurement to the controller the nanosensor is to: emeasure a differential voltage between two nanostructures to obtain the resistance measurement.6. The system of wherein the system to detect the coolant leak within the server is provided at a server-level.7. The system of wherein the nanosensor is coupled to an ingress of the airflow channel in the server.8. The system of wherein the nanosensor is coupled to an egress of the airflow channel in the server.9. A nanosensor array comprising:a first nanosensor, coupled to an ingress of an airflow channel in a server, to provide a first resistance measurement to an integrated circuit;a second nanosensor, coupled to an egress of the airflow channel in the server, to provide a second resistance measurement to the integrated circuit; andthe integrated circuit, coupled to the first nanosensor and the second nanosensor, to detect a coolant leak in ...

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Номер записи: 100