НАПЛАВЛЕННОЕ ПОКРЫТИЕ С КАРБИДОМ ТИТАНА И СПОСОБ ЕГО ИЗГОТОВЛЕНИЯ

Изобретение относится к способу получения наплавленного покрытия на подложке (варианты), материалу для получения наплавленного покрытия (варианты) и наплавленному на подложку покрытию(варианты). Способ включает получение материала, содержащего частицы TiC и частицы не TiC и нанесение материала на подложку путем плазменной сварки дугой прямого действия или осаждения распылением/оплавлением с образованием наплавленного покрытия. Частицы TiC имеют размер -60+325 меш и содержат 50-100 мас.% скругленных частиц и 0-50 мас.% угловатых частиц в расчете на массу TiC. Содержание частиц TiC составляет 5-70 мас.% от состава материала в расчете на массу частиц TiC и не TiC. Частицы не TiC содержат сплав и/или неметалл. 6 н. и 15 з.п. ф-лы, 10 ил., 5 табл., 6 пр.

СПОСОБ И МАШИНА ДЛЯ ИЗГОТОВЛЕНИЯ ПО МЕНЬШЕЙ МЕРЕ ОДНОГО ИЗДЕЛИЯ, СДЕЛАННОГО ПО МЕНЬШЕЙ МЕРЕ ИЗ ОДНОГО КЕРАМИЧЕСКОГО И/ИЛИ МЕТАЛЛИЧЕСКОГО МАТЕРИАЛА, ПОСРЕДСТВОМ ТЕХНОЛОГИИ АДДИТИВНОГО ПРОИЗВОДСТВА

Изобретение относится к технологии аддитивного производства и может быть использовано для изготовления керамических или металлических изделий. Строится компьютерная модель изделия. Упомянутое изделие образуется на рабочем лотке посредством технологии аддитивного производства из керамической или металлической фотоотверждаемой композиции (CPCb или MPCb). В соответствии с изобретением приготавливается по меньшей мере один материал, отличающийся от упомянутого CPCb или MPCb, который является абляционным органическим материалом (MOS), способным разрушаться нагреванием во время процесса удаления связующего, или дополнительная керамическая или металлическая композиция СРСа или МРСа; образовываются последовательные слои CPCb или MPCb, которые каждый раз отверждаются облучением в соответствии с образцом, предварительно определенным из модели для упомянутого слоя. Для образования полых частей детали и/или для вставления в полость детали по меньшей мере одной части из другого керамического или металлического ...

МАТЕРИАЛЫ С ГПУ-СТРУКТУРОЙ НА ОСНОВЕ АЛЮМИНИЯ, ТИТАНА И ЦИРКОНИЯ И ИЗДЕЛИЯ, ПОЛУЧЕННЫЕ ИЗ НИХ

Изобретение относится к области металлургии, в частности к алюминий-титан-циркониевым сплавам, и может быть использовано при изготовлении компонентов турбины в двигателях или в других высокотемпературных областях применения. Заявлен алюминий-титан-циркониевый сплав, деталь, выполненная из него, и способ изготовления детали. Алюминий-титан-циркониевый сплав содержит, вес.%: Al 29,0-42,4; Ti 41,2-59,9; Zr 10,3-24,1; второстепенные элементы-модификаторы: C до 0,15 вес.%, B до 0,15 вес.%. Способ изготовления детали включает подачу заготовки из алюминий-титан-циркониевого сплава в устройство для аддитивного производства и послойное формирование детали из алюминий-титан-циркониевого сплава. Сплав характеризуется высокими значениями прочности, трещиностойкости, стойкости к окислению, сопротивлению усталости, ползучести, а также высокой устойчивостью к воздействию высоких температур. 3 н. и 22 з.п. ф-лы, 4 ил., 2 табл.

НАПЛАВЛЕННОЕ ПОКРЫТИЕ С КАРБИДОМ ТИТАНА И СПОСОБ ЕГО ИЗГОТОВЛЕНИЯ

МЕДИЦИНСКИЙ РЕЖУЩИЙ ИНСТРУМЕНТ

... 1. Медицинский режущий инструмент, содержащий рабочий участок, выполненный из цементированного карбида или керамики, на переднем конце хвостовика, выполненного из круглого стержня из нержавеющей стали или круглого стержня из инструментальной стали,при этом нержавеющая сталь или инструментальная сталь, образующие хвостовик, и цементированный карбид или керамика, образующие рабочий участок, соединены друг с другом участком пайки, причем пайка участка пайки выполнена, когда поверхности пайки, снабженные выступающими участками, образованными на одном или обоих из хвостовика или рабочего участка, приведены в контакт друг с другом.2. Медицинский режущий инструмент по п.1, в котором выступающий участок, обеспеченный на поверхности пайки, выполненной в виде скошенной поверхности, содержащей вершину, и пайка выполнена, когда вершина находится в контакте с плоской поверхностью или скошенной поверхностью, содержащей вершину на скошенной поверхности, содержащей вершину, обеспеченную на противоположной ...

ДЕТАЛЬ, СОДЕРЖАЩАЯ МЕТАЛЛОКЕРАМИЧЕСКУЮ ЧАСТЬ, И СПОСОБ ЕЕ ИЗГОТОВЛЕНИЯ

СПОСОБ СОЕДИНЕНИЯ ДВУХ СОЕДИНЯЕМЫХ КОМПОНЕНТОВ, ТО ЕСТЬ КЕРАМИКИ С МЕТАЛЛОМ/КЕРАМИКОЙ, С ПОМОЩЬЮ ЛАЗЕРНОГО ЛУЧА

... 1. Способ соединения двух соединяемых компонентов в предусмотренных местах соединения, причем один соединяемый компонент (1) состоит из керамики, а другой соединяемый компонент из металла или керамики, отличающийся тем, что соединяемые компоненты располагаются, соприкасаясь друг с другом в точках соединения, а лазерный луч направляется на один из соединяемых компонентов в точках соединения таким образом, что он проходит сквозь этот соединяемый компонент и по меньшей мере частично проникает в другой соединяемый компонент.2. Способ по п.1, отличающийся тем, что лазерный луч направляется на керамику.3. Способ по п.1, отличающийся тем, что лазерным лучом прорезаются прорези (5) с длиной предпочтительно от 1 до 5 мм, особенно предпочтительно 3 мм.4. Способ по п.1, отличающийся тем, что лазерным лучом в соединяемом компоненте прорезается узор (2) из отдельных прорезей (5), причем все прорези (5) образуют или продольные прорези (3) или проходящие перпендикулярно продольным прорезям (3) поперечные ...

ПРОДУКТЫ ИЗ АЛЮМИНИЕВЫХ СПЛАВОВ И СПОСОБЫ ИХ ПОЛУЧЕНИЯ

СПОСОБ ОЧИСТКИ И ЗАЧИСТКИ ЛОПАТКИ ГАЗОТУРБИННОГО ДВИГАТЕЛЯ ПОСРЕДСТВОМ ИМПУЛЬСНОГО ЛАЗЕРА

... 1. Способ очистки и зачистки лопатки (1) газотурбинного двигателя, содержащей тело (13) из сверхсплава, покрытое покрытием (10), способ, согласно которому покрытие (10) лопатки (1), по меньшей мере, частично обрабатывают посредством импульсного лазера (3), при этом определяют параметры, по меньшей мере, скорости (V) подачи импульсного лазера (3) и частоты (F) импульсов импульсного лазера (3) так, чтобы обработанная поверхность лопатки (1) имела шероховатость от 4 мкм до 10 мкм.2. Способ по п.1, при котором, когда покрытие содержит по меньшей мере один внешний керамический слой (11), определяют параметры импульсного лазера (3) так, чтобы обрабатывать только внешний керамический слой (11).3. Способ по п.1, при котором, когда покрытие содержит по меньшей мере один внешний керамический слой (11) и один металлический слой (12), расположенный между телом (13) из сверхсплава и керамическим слоем (11), определяют параметры импульсного лазера так, чтобы обрабатывать только внешний керамический слой ...

Verfahren zur Oberflächentexturierung von sprödem Material

Verfahren zur Bearbeitung von oxidischen Materialien mittels eines Laserstrahls

Verfahren zur Nanostrukturierung polymerer Materialien mit gepulster Laserstrahlung in reaktiver Atmosphäre

In einem Verfahren zur Erzeugung einer ein festes polymeres Material umfassenden Oberfläche, die Oberflächenstrukturen mit Abmessungen im Sub-Mikrometerbereich aufweist, wird die unbehandelte Oberfläche, auf der die Strukturen zu erzeugen sind und die für eine Laserbestrahlung zugänglich sind, mit einem gepulsten Laserstrahl in einer reaktiven Gasatmosphäre ein- oder mehrmals auf solche Weise abgetastet, dass benachbarte Lichtflecke des Laserstrahls lückenlos aneinander stoßen oder sich überlappen und ein bestimmter Bereich einer vorgegebenen Relation zwischen Verfahrensparametern eingehalten wird, wodurch die Oberflächen chemisch modifiziert wird.

Sanitäreinrichtungsrohling sowie Verfahren zur Herstellung einer Sanitäreinrichtung

Sanitärwanne mit einem Wannenkörper (1) aus Stahl und einer auf dem Wannenkörper (1) angeordneten Beschichtung aus Email, wobei erfindungswesentlich die Beschichtung mit einem Laserstrahl erzeugte makroskopische Strukturen aufweist.

Structuring of surfaces of components by removal of material with laser pulses

The method has a component (2) coated with a material, radiated with a laser pulse or a sequence of laser pulses for the ionisation of the coating material locally in the region of the desired structure. Each individual laser pulse (1) has an intensity which lies above the critical threshold intensity for the multi-photon ionisation of the coated material. Each laser pulse has wavelength and pulse duration, such that the expansion of the ionised material, by the laser pulse within the pulse duration, is smaller than the wavelength of the laser pulse, exciting the multi-photon ionisation.

Preparing and/or repairing component comprising silicon carbide, useful in projection exposure device for microlithography, comprises filling joint gap between two components with filling material and heating component in joint gap area

Preparing and/or repairing a component (1) comprising silicon carbide, comprises filling at least one joint gap (2) in the component or between two components with filling material and locally heating at least one component in the area of the joint gap.

Drahtumlenkung mit Hartmetalleinsatz

Die Erfindung betrifft eine Drahtumlenkung für eine Ballenpresse, mit einer Trägerplatte (2), die zur Halterung in einer Aufnahme einer Ballenpresse eingerichtet ist, und mit einem Hartmetalleinsatz (3), der eine Ausnehmung (20) zur Drahtführung aufweist, die sich von einer Vorderseite (18) in Richtung auf eine Rückseite (19) des Hartmetalleinsatzes (3) erstreckt, wobei die Tiefe der Ausnehmung (20) von der Vorderseite (18) des Hartmetalleinsatzes (3) zu der Rückseite (19) hin abnimmt.

Laserbearbeitungsvorrichtung und Laserbearbeitungsverfahren

Eine Laserbearbeitungsvorrichtung bildet einen modifizierten Bereich in einem zu bearbeitenden Objekt durch Bündeln von Laserlicht mit ultrakurzen Pulsen an dem Objekt und umfasst eine das Laserlicht emittierende Lichtquelle, ein das von der Laserlichtquelle emittierte Licht an dem Objekt bündelndes optisches System und ein Aberrations-bereitstellendes Bauteil, das dem an dem Objekt durch das bündelnde optische System gebündelte Laserlicht eine Aberration verleiht. In einer Richtung der optischen Achse des Laserlichts, wenn ein Referenzaberrationsbereich einen Bereich einer bündelungsinduzierten Aberration als eine Aberration darstellt, die an einer Position auftritt, an der das Laserlicht aufgrund der Bündelung des Laserlichts an dem Objekt gebündelt wird, verleiht das Aberrations-bereitstellende Bauteil dem Laserlicht eine erste Aberration, so dass das Laserlicht einen verlängerten Bereich, der in der Richtung der optischen Achse länger ist als der Referenzaberrationsbereich, als einen ...

Structuring the surface of materials

Material such as glass, plastic, semiconductor material, wood or ceramic is surface worked using a laser beam of wavelength 1.4-3.0 mu m.

HOCHTEMPERATURFÄHIGE LÖTANORDNUNG

Die vorliegende Erfindung betrifft einen Artikel umfassend ein Keramiksubstrat (310), umfassend eine Quelle von Zirkoniumoxid; ein metallisches Substrat (320); und eine Lötverbindung, die zwischen dem Keramiksubstrat und dem metallischen Substrat angeordnet ist. Die Lötverbindung umfasst (i) eine goldreiche Phase (330), die mit einer Oberfläche des Keramiksubstrats eine Schnittstelle bildet. Die goldreiche Phase umfasst ein hochschmelzendes Metall, ausgewählt aus der Gruppe bestehend aus Molybdän, Wolfram, Niob, Tantal und Kombinationen davon; und (ii) eine zweite metallische Phase (340), umfassend ein Metall ausgewählt aus der Gruppe bestehend aus Nickel, Eisen, Vanadium, Kobalt, Chrom, Osmium, Tantal oder Kombinationen davon.

Arrangement for welding and/or glazing workpieces made of hard brittle or other hot crack-sensitive materials with laser beam of a laser and an optic or a sensor, where the laser is a brilliant fiber- or disc laser

The arrangement for welding and/or glazing workpieces made of hard brittle or other hot crack-sensitive materials with laser beam of a laser and an optic or a sensor, where the laser is a brilliant fiber- or disc laser with a power of greater than 50 W, is claimed. The laser radiation of the laser has a wavelength of >= 0.5-2 mu m. The optics or the scanner are connected with a control device so that the laser radiation is moved with a focus of 75 mu m and with a speed of 100-300 m/min over the working station for crack-free welding and/or glazing. The arrangement for welding and/or glazing workpieces made of hard brittle or other hot crack-sensitive materials with laser beam of a laser and an optic or a sensor, where the laser is a brilliant fiber- or disc laser with a power of greater than 50 W, is claimed. The laser radiation of the laser has a wavelength of >= 0.5-2 mu m. The optics or the scanner are connected with a control device so that the laser radiation is moved with a focus ...

VERFAHREN UND VORRICHTUNG ZUR MARKIERUNG VON GEGENSTÄNDEN UNTER VERWENDUNG VON GESINTERTEN MINERALPULVERN

Laserbearbeitung eines mehrphasigen transparenten Materials, sowie mehrphasiger Kompositwerkstoff

Die Erfindung sieht ein Verfahren zur Erzeugung von Modifikationen in oder an einem transparenten Werkstück (2) mittels einer Laserbearbeitungsvorrichtung (1) vor, wobei eine Laserbearbeitungsvorrichtung (1) verwendet wird, die einen Kurzpuls- oder Ultrakurzpulslaser (10), der eine Laserstrahlung (12) mit einer Wellenlänge im Transparenzbereich des Werkstücks (2) ausstrahlt, und eine Strahlformungsoptik (11) zur Strahlformung, insbesondere zur Fokussierung der Laserstrahlung aufweist, und wobei ein transparentes Werkstück (2) verwendet wird, das aus einem Material besteht, welches mehrere Phasen aufweist, von denen zumindest zwei Phasen unterschiedliche Dielektrizitätszahlen besitzen, von denen wiederum die eine Phase eine in Form von Partikeln eingeschlossene Phase ist, die von der anderen Phase im Wesentlichen umgeben ist, und wobei das Produkt aus dem in Kubiknanometern angegebenen Volumen der Partikel und dem Verhältnis des Betrages der Differenz der zwei unterschiedlichen Dielektrizitätszahlen ...

Oberflächenmodifikationsverfahren und- vorrichtung

Verfahren zur räumlich periodischen Modifikation einer Oberfläche eines Substrates in einer Probenebene (P), wobei die Substratoberfläche mit einem der einzubringenden Struktur entsprechenden Beleuchtungsmuster einer Energiedichte oberhalb einer Prozessschwelle der Substratoberfläche bestrahlt wird, dadurch gekennzeichnet, dass das Beleuchtungsmuster mittels Beugung eines konvergierenden Eingangsstrahls (10) und Überlagerung resultierender, gebeugter Teilstrahlen (122) in einem Gitter-Interferometer erzeugt wird, wobei vor dem Gitter-Interferometer angeordnete Strahlformungsmittel (40; 40') den Eingangsstrahl (10) derart konvergieren lassen, dass wenigstens eine Komponente seiner gebeugten Teilstrahlen in der Nachbarschaft der Probenebene (P) eine Strahltaille aufweist.

Medizinisches Implantat und Verfahren zur Herstellung desselben

Die vorliegende Erfindung bezieht sich auf ein Verfahren zur Herstellung eines medizinischen Implantats, vorzugsweise eines Herzschrittmachers oder eines Defibrillators. Ein derartiges medizinisches Implantat wird aus einem ersten Element (10, 20, 30) und mindestens einem zweiten Element (10, 20, 30), die jeweils eine Oberfläche aufweisen, zusammengesetzt. Das erste Element (10, 20, 30) und das mindestens eine zweite Element (10, 20, 30) werden dabei in einem Fügeschritt in dem jeweiligen, mindestens einen Teilbereich der jeweiligen Oberfläche bildenden Verbindungsbereich des ersten Elements (10, 20, 30) und des mindestens einen zweiten Elements (10, 20, 30) miteinander verbunden. In einem vor dem Fügeschritt durchzuführenden Plasmaaktivierungsschritt wird mindestens der Verbindungsbereich des ersten Elements (10, 20, 30) und/oder mindestens der Verbindungsbereich des mindestens einen zweiten Elementes (10, 20, 30) in einem Niederdruckplasma oder in einem bei Atmosphärendruck erzeugten ...

Verfahren zum Materialabtrag an Festkörpern

Die vorliegende Erfindung betrifft ein Verfahren zum Materialabtrag an Festkörpern durch Laserablation, bei dem die räumliche und/oder zeitliche Kohärenz der Laserstrahlung vor dem Schritt der Materialbearbeitung, d. h. vor und/oder unmittelbar beim Auftreffen der Laserstrahlung auf dem zu bearbeitenden Festkörper herabgesetzt wird.

Polycrystalline ultra-hard compact constructions

Substrate manufacture

The invention relates to a method of forming a void with a circular cross section in a substrate, more particularly to forming through holes electronic substrates The method comprising the steps of causing a laser cutter to traverse in an arc to an intended circumference of the void, traversing the intended circumference of the void at least once, wherein the lead in from the arc to the circumference comprises a radius.

REFRACTORY WEAR PARTS FOR VALVES FOR METALLURGICAL USE

Component structure

Surface modification

Apparatuses, systems and methods for three-dimensional printing

Additive manfacturing

METHOD OF PRODUCING METAL-COATED VIAS

Braze joints with a dispersed particulate microstructure

High temperature capable braze assembly

VERFAHREN ZUR HERSTELLUNG EINES THERMISCH HOCH BELASTBAREN BAUTEILS

LASER STRUCTURING OF LIGHT WITH ANIMAL ENDS ELEMENTS AND STRUCTURED LIGHT WITH ANIMAL END OF ELEMENTS

PROCEDURE FOR CONNECTING TWO FROM HARDNESS-MODERATELY TO EACH OTHER DIFFERENT ONES METALS EXISTENCE PARTS OF MEANS LASER LIGHT

SURFACE MODIFICATION

PROCEDURE FOR THE PRODUCTION OF A SCHNEIDODER EMBOSSING ROLL OF MEANS LASER DEPOSIT WELDING

PRODUCTION OF LENSES FOR EYE-OPTICAL PURPOSES OF MEANS OF A EXZIMER LASER.

PROCEDURE FOR REMOVING FROM COATINGS ON FLUORINE CARBON SYNTHETIC RESIN BASIS

Cutting tool

Es wird ein Schneidwerkzeug (1) bereitgestellt, mit einem Schneidenbereich (4) aus einem Hartmetall, das in einen duktilen metallischen Binder eingebettete Hartstoffpartikel aufweist, und einem Trägerbereich (2) aus einem metallischen Werkstoff. Der Schneidenbereich (4) und der Trägerbereich (2) sind über einen Strahlschweiß-Fügebereich (3) stoffschlüssig miteinander verbunden, in dem zumindest das Material des Trägerbereichs (2) durch Einwirken eines Energiestrahls aufgeschmolzen wurde. Ein Anteil des duktilen metallischen Binders an dem Hartmetall beträgt höchstens 8 Gew.-%.

PROCEDURE FOR THE DIRECT MICRO STRCUTURATION OF MATERIALS

VERFAHREN ZUR HERSTELLUNG EINES THERMISCH HOCH BELASTBAREN BAUTEILS

PROCEDURE FOR THE PRODUCTION OF SKID-PROOF FLOOR COVERINGS

WELD FROM PACKING CONTAINERS

METHOD AND DEVICE FOR SEPARATING A MATERIAL

Fiber-optic waveguides for transverse optical coupling

METHOD AND DEVICE FOR PROCESSING FRAGILE MATERIAL

System and assemblage for producing microtexturized substrates and implants

PROCESS FOR WELDING BY MEANS OF A LASER BEAM, IN PARTICULAR FOR WELDING PIECES OF GLASS

SYSTEM AND METHOD FOR JOINING NON-COMPATIBLE COMPONENTS

An improved nozzle (1) apparatus and method of manufacture are provided i n which non-compatible components (such as a metallurgically non-weld-compat ible nozzle tip ((3) and seal (8) may be secured/attached. For example, the apparatus and method may comprise securing a seal (8) between a first portio n of a nozzle tip (3) and a retention ring (30). The retention ring (30) may comprise a material that is weld-compatible with the nozzle tip (3) and may be welded to the nozzle tip (3) whereas the seal (8) may be non-compatible with the nozzle tip (3). As a result, the materials of the nozzle tip (3) an d the seal (8) may be chosen substantially without regard to their compatibi lity.

METHOD OF REDUCING INTERMETALLIC COMPOUNDS IN MATRIX BIT BONDLINE BY REDUCED TEMPERATURE PROCESS

A method for manufacturing a matrix drill bit includes: placing a metallic blank within a casting assembly including a mold having an inner surface formed into a negative shape of facial features of the drill bit; loading powder into an annulus formed between the blank and the mold, the powder including at least one of: ceramic powder and cermet powder; placing a binder alloy into the casting assembly over the blank and the mold; protecting the binder alloy from oxidation; inserting the casting assembly, blank, powder, and binder alloy into a furnace; operating the furnace to heat the protected binder alloy to an infiltration temperature between solidus and liquidus temperatures thereof, thereby infiltrating the powder with the binder alloy and forming a bit body; removing the bit body from the furnace; and after removal, attaching cutters to blades of the bit body.

SYSTEM AND METHOD FOR SHAPING A CERAMIC MATRIX COMPOSITE (CMC) SHEET

A method for shaping a ceramic matrix composite (CMC) sheet having a first surface and a second surface is presented. The method includes receiving an input signal representative of a predetermined shape and a type of the CMC sheet. Further, the method includes selecting a laser beam based on the received input signal. Also, the method includes projecting the selected laser beam on the CMC sheet to shape the CMC sheet into the predetermined shape.

APPARATUSES AND METHODS FOR FABRICATING METAL MATRIX COMPOSITE STRUCTURES

A method for forming a metal matrix composite (MMC) structure includes forming an assembly including at least two blocks of a primary phase material sharing an interface at which a secondary phase material is disposed. The assembly has a length, a width, and a thickness. The method also includes clamping the assembly to at least one of urge the at least two blocks toward each other or maintain the at least two blocks at a predetermined position. Also, the method includes passing a rotating friction-stir pin along the interface from the front edge to the rear edge. The friction-stir pin has a mixing length extending at least the width of the assembly, and passing the friction-stir pin along the length of the assembly disperses the secondary phase material into the primary phase material and welds the at least two blocks together.

THERMALLY STABLE POLYCRYSTALLINE DIAMOND WITH ENHANCED ATTACHMENT JOINT

The present disclosure relates to an industrial device, such as a drill bit including a thermally stable polycrystalline diamond (TSP) table coupled to a substrate via an attachment joint, with at least one attachment material located in the attachment joint. At least one of the attachment materials includes a metal or metal alloy and an additive material having a hardness higher than the metal or metal alloy or a coefficient of thermal expansion lower than that of the metal or metal alloy.

CONFIGURATION FOR JOINING A CERAMIC THERMAL INSULATING MATERIAL TO A METALLIC STRUCTURE

Configuration (10) for joining a ceramic layer (1) comprising a thermal insulating material to a metallic layer (2), the configuration (10) comprising an interface layer (11) made of metallic material, located between the ceramic layer (1) and the metallic layer (2), comprising a plurality of interlocking elements (20) on one of its sides, facing the ceramic layer (1), the ceramic layer (1) comprising a plurality of cavities (30) aimed at connecting with the corresponding interlocking elements (20) of the interface layer (11), the configuration (10) also comprising a brazing layer (40) by means of which the interface layer (11) is joint to the metallic layer (2). The invention also refers to a method for obtaining such configuration (10).

METHOD FOR CLEANING AND STRIPPING A TURBOSHAFT ENGINE BLADE USING A PULSED LASER

Un procédé de nettoyage d'une aube (1) de turbomoteur comportant un corps en superalliage recouvert d'un revêtement, procédé dans lequel on usine au moins partiellement le revêtement de l'aube (1) au moyen d'un laser impulsionnel (3), au moins la vitesse d'avance du laser impulsionnel (3) et la fréquence d'impulsion du laser impulsionnel (3) étant paramétrés pour que la surface usinée de l'aube (1) présente une rugosité comprise entre 4 µm et 10 µm.

Conical holes produced by laser beam - using diaphragm with apertures of different dia. and driven by stepper motor

Process for producing precision holes, using pulsed or continuous laser radiation, the novelty being that form pulse to pulse, or in prescribed intervals of time, the local intensity-distribution of the laser beam is altered as a function of time. In the pref. device, a screen is inserted in the laser-resonator and the dia. of the aperture is altered from pulse or in prescribed steps w.r.t. time. The screen may be located near the max. reflection mirror or near the catcher mirror and it pref. consists of a disc provided with holes of different dia. arranged in a circle, the disc being driven by a stepper motor. Drilling holes using a laser beam, esp. in hard or brittle matls., e.g. sapphire, diamond, ceramics or metals, partic. conical holes and blind conical holes e.g. in diamond drawing dies or jewelled bearings for measuring instruments.

Verfahren zum Bohren von Werkstücken mittels Laserstrahlung

Process and apparatus for increasing the repetition frequency of the pulses of a laser

In order to increase the repetition frequency of the pulses of a gas laser including two discharge tubes (A, B) connected in series, the discharge of the two tubes is commanded alternately in such a manner that each tube has its recycling time while the other is discharging. The apparatus comprises a pulse generator (2) composed of an oscillator (O) coupled to a pulse distributor (D) which commands the discharges of the tubes via electronic gates (8, 9). The process and the apparatus can be utilised for etching by means of laser discharges in ceramic substrates. ...

PROCEDURE FOR THE TRAINING OF A HOLE BY A MAGNET FROM A INTER+METALLIC MASS.

Process for obtaining openings or outlines in ceramic substrates by laser

PROCEDURE AND DEVICE FOR THE FINE FORMING OF TOOLS COATED WITH SUPER+HARD MATERIALS.

Method for the preparation of a metal- ceramic(s) solder joint.

Es wird ein Verfahren zur Herstellung einer stoffschlüssigen Metall-Keramiklötverbindung eines unbeschichteten Keramikkörpers (1) mit einem Metallteil beschrieben, wobei auf die Verwendung schwer zu beschaffender und kostspieliger Aktivlote, sowie spezieller vorgängiger Beschichtung des Keramikkörpers verzichtet werden kann. Dies wird dadurch erreicht, dass das Metallteil mindestens einen Anteil von 50% eines sauerstoffaffinen Elementes aufweist, eine Anordnung des Keramikkörpers (1) und des Metallteils (2, 3) relativ zueinander beabstandet erfolgt, wobei ein Zwischenraum zwischen einer Oberfläche des Keramikkörpers (1) und einer Oberfläche des Metallteils (2, 3) erreicht ist, anschliessend ein Anbringen eines eutektischen oder naheutektischen Lotes (4) in die Nähe des Zwischenraumes oder in den Zwischenraum zwischen Keramikkörper (1) und Metallteil (2, 3) erfolgt, sowie ein Heizvorgang (IV) des montierten Aufbaus auf eine Löttemperatur (T) nahe am Eutektikum des gewählten Lotes (4) erfolgt ...

Method for the metallurgical to fixedcondition-connect different high temperature materials and article made therewith.

Verfahren zum Zusammenfügen unähnlicher Hochtemperaturlegierungen werden zusammen mit Artikeln (100), wie aerodynamischen Turbinenprofilen, die durch das Verfahren hergestellt werden, bereitgestellt. Das Verfahren umfasst das Einfügen eines Barrierematerials zwischen ein erstes Segment (110) und ein zweites Segment (120), um einen Segmentzusammenbau zu bilden. Das erste Segment umfasst ein Titanaluminid-Material und das zweite Segment umfasst eine Nickellegierung. Das Barrierematerial umfasst ein primäres konstitutives Element, das in dem Barrierematerial in einer Konzentration von mindestens etwa 30 Gewichtsprozent des Barrierematerials vorliegt und das primäre konstitutive Element ist ein Übergangsmetallelement der Gruppe 1B, Gruppe 4B (ausschliesslich Titan und Zirkonium), Gruppe 5B, Gruppe 6B, Gruppe 7B oder Gruppe 8B (ausschliesslich Nickel). Der Segmentzusammenbau wird im Festzustand bei einer Kombination von Temperatur, Druck und Zeit verbunden, die wirksam ist, um eine metallurgische ...

high temperature materials The method for joining and articles made therefrom.

Verfahren zum Zusammenfügen unähnlicher Hochtemperaturlegierungen werden zusammen mit Artikeln (100), wie aerodynamischen Turbinenprofilen, die durch das Verfahren hergestellt werden, bereitgestellt. Das Verfahren umfasst das Einfügen eines Barrierematerials zwischen ein erstes Segment (110) und ein zweites Segment (120), um einen Segmentzusammenbau zu bilden. Das erste Segment umfasst ein Titanaluminid-Material und das zweite Segment umfasst eine Nickellegierung. Das Barrierematerial umfasst ein primäres konstitutives Element, das in dem Barrierematerial in einer Konzentration von mindestens etwa 30 Gewichtsprozent des Barrierematerials vorliegt, und das primäre konstitutive Element ist ein Übergangsmetallelement der Gruppe 1B, Gruppe 4B (ausschliesslich Titan und Zirkonium), Gruppe 5B, Gruppe 6B, Gruppe 7B oder Gruppe 8B (ausschliesslich Nickel). Der Segmentzusammenbau wird im Festzustand bei einer Kombination von Temperatur, Druck und Zeit verbunden, die wirksam sind, um eine metallurgische ...

Method of making transmission components synchronous and asynchronous and synchronous and asynchronous transmission components made by this process.

La présente invention présente un procédé de fabrication dun composant destiné à une transmission synchrone/asynchrone de mouvements/puissance caractérisé en ce quil décrit des formes à usiner à partir de la géométrie définie sur un plan de CAO 3D, transfert des données sur un logiciel dusinage tridimensionnel tenant compte notamment des interpolations des surfaces gauches, définit des pas en fonction de la matière et de la profondeur dusinage de tel sorte que les conditions dablation soient optimisées, introduit des données dans linformatique de contrôle/pilotage des déplacements (17), positionne, dans la direction Y la zone focale D par éclairage à laide de la tête optique (15), équipée ou non dun dispositif de diffraction, positionne, sur le plan E, le composant à usiner (10), serre le composant à usiner (10) à laide de moyens de serrage (12), règle le laser à impulsions ultra brèves femto à des valeurs inférieures à notamment 500 fs (5 × 10 - 13 secondes), démarre le programme dusinage ...

Procedure for the laser processing of a target.

PROCEDURE FOR THE SURFACE TREATMENT OF A FIREPROOF WEARING PART FOR A VERSCHLUSSORGAN A MOLTEN BATH OF A CONTAINING CONTAINER AS WELL AS AVAILABLE WEARING PART FROM THIS.

Mixing ceramic particles and process for producing ceramic components from such a mixture.

L’invention a pour objet un mélange céramique de particules comprenant, comme composants, une partie majoritaire en poids de particules frittables en matière céramique et des particules d’au moins un additif, au moins un additif étant une matière solide inorganique dispersée absorbante, au moins partiellement constituée de carbone, qui présente, pour un rayonnement laser émettant à une longueur d’ondes prédéterminée, une absorptivité spécifique, supérieure à l’absorptivité des autres composants du mélange céramique, et qui se dégrade brutalement avec émission gazeuse, en présence dudit rayonnement laser, cet additif étant présent en des proportions inférieures à 5% en poids du mélange sec. L’invention a également pour objets des pièces céramiques obtenues à partir d’un tel mélange.

Watchmaker welded component materials.

Linvention se rapporte à un composant horloger (21) comportant une première pièce (25, 27) à base de silicium, une deuxième pièce (25, 27) à base de métal. Selon linvention, une surface (24, 28, 30, 31) de la première pièce est soudée par rayonnement électromagnétique sur une surface de la deuxième pièce afin de les solidariser.

A method of manufacturing a timepiece component.

L’invention se rapporte à un procédé de fabrication d’un composant horloger comportant une étape de montage permettant d’intercaler une partie intermédiaire (41) comprenant au moins une surface plane entre deux pièces (17, 37) destinée à garantir la planéité de la face qui doit être soudée.

A method of manufacturing a timepiece component.

L’invention se rapporte à un procédé de fabrication d’un composant horloger, notamment un balancier-spiral, comportant une étape de montage permettant d’intercaler une partie intermédiaire (41) destinée à garantir la planéité de la face qui doit être soudée.

Outil de décoration artisanale et procédé de fabrication utilisant cet outil.

La présente invention concerne un outil pour la décoration d’un composant (31) décoratif en un matériau solide, comprenant: un dispositif de manipulation haptique (10) comportant un organe de commande (11) configuré pour être manipulé par la main d’un utilisateur; un dispositif laser (20) lié à l’organe de commande (11) de manière à ce que les manipulations de l’organe de commande (11) par l’utilisateur contrôlent l’orientation d’un faisceau laser (21) produit par le dispositif laser (20) destiné à usiner le composant (31), de manière à former un motif décoratif (32) à l’intérieure d’une zone prédéfinie (34) du composant; dans lequel l’organe de commande (11) fourni un ressenti tactile sur la main de l’utilisateur lors des manipulations afin de reproduire des sensations d’usinage sur ladite main. La présente invention concerne également une méthode d’usinage d’un composant à l’aide dudit outil. Le composant peut être un composant horloger ou joailler, ou d’un instrument d’écriture.

The invention relates to a method for soldering titanium alloy components with ceramic components based on zirconia for timekeeping or jewellery.

L'invention concerne un procédé de brasage d'un premier composant (10) en céramique, et d'un deuxième composant (20) en alliage métallique, pour réaliser un élément (100) de structure ou d'habillage d'horlogerie, on choisit, pour le premier composant (10) une céramique à base de zircone, et, pour le deuxième composant (20) un alliage de titane, on réalise un premier logement (4) au cœur du premier composant (10), en retrait par rapport à une première surface (1) dans une zone de jonction (3) avec une deuxième surface (2) du deuxième composant (20), on dépose de la brasure (5) sur cette première surface (1) et dans chaque logement (4), on positionne la deuxième surface (2) en concordance avec la première surface (1) pour constituer un assemblage, on effectue une chauffe sous atmosphère contrôlée dudit assemblage au-delà de la température de fusion de la brasure (5), pour réaliser son brasage au niveau de la zone de jonction (3).

The invention relates to a method for producing a revolution surface of a timepiece component.

L'invention concerne un procédé de réalisation d'une surface (20) de révolution d'un composant horloger (1), le procédé comprenant : une étape d'usinage avec un faisceau laser femto-seconde d'une première surface du composant horloger de sorte à obtenir une deuxième surface, en particulier de sorte à obtenir une deuxième surface dont la rugosité Ra est inférieure à 100 nm, voire inférieure à 70 nm, puis une étape de tribofinition appliquée à la deuxième surface de sorte à obtenir ladite surface de révolution.

The invention relates to a method for the laser-beam-additive production of a mechanical part with technical and/or decorative function and mechanical part with technical and/or decorative function.

L'invention concerne un procédé de fabrication additive par laser d'une pièce mécanique à fonction technique et/ou décorative, ce procédé comprenant les étapes de : se munir d'un faisceau laser (16) dont le fonctionnement va être commandé au moyen d'un ordinateur dans lequel est introduit un fichier informatique CAO qui est découpé en une ou plusieurs strates qui, une fois superposées, permettent de former la structure de la pièce mécanique recherchée ; se munir d'un substrat (6) réalisé en un matériau céramique et le disposer dans une enceinte de fabrication (2) dans laquelle on crée une atmosphère d'un gaz neutre ; déposer sur le substrat (6) au moins une première couche d'une poudre d'un premier matériau métallique à fusionner ; égaliser la première couche du premier matériau métallique à fusionner ; soumettre au moyen du faisceau laser (16) la première couche du premier matériau métallique à une étape de fusion sélective en accord avec le fichier informatique CAO ; le cas échéant, déposer ...

A method for marking a sapphire watch crystal.

L'invention concerne une méthode pour marquer une glace de montre (1) en saphir, par l'interaction entre un faisceau laser (4) et le saphir. Le faisceau est focalisé sur un point (5) à l'intérieur de la glace et l'interaction est telle qu'elle génère une zone opaque rectiligne (6) qui est parallèle à la surface supérieure (2) de la glace ou perpendiculaire à ladite surface (2). L'orientation de la zone opaque dépend du mode d'opération appliqué. Selon le mode d'opération par hachurage, le faisceau (4) est balayé selon un ou plusieurs trajets linéaires, générant des lignes opaques (6) à l'intérieur de la glace, qui sont parallèles à la surface supérieure. Le mode d'opération par perforation génère des zones opaques distinctes, obtenues par une opération discontinue du faisceau (4) sur un nombre de points (5) juxtaposés. Selon ce dernier mode d'opération, les zones opaques s'étendent dans la direction perpendiculaire à la surface supérieure de la glace.

Pièce de microtechnique et sa méthode de fabrication.

La présente invention concerne une méthode de fabrication d'un composant en diamant (9) comprenant les étapes suivantes a. réalisation d'une découpe dans une plaquette en diamant par une méthode de découpe laser; b. réalisation du lissage des flancs (93) de la pièce (9) découpée dans la plaquette à l'aide d'une méthode de gravure par plasma, et/ou RIE, et/ou thermique ou tout autre méthode de gravure sèche, en utilisant au moins un gaz parmi les gaz rares (hélium, Néon, Argon, Krypton or Xénon), les gaz oxydants, les gaz halogénés, l'azote, l'hydrogène ou une combinaison de ces gaz, ou tout autre gaz permettant de graver le diamant pour lisser sa surface jusqu'à obtention d'une rugosité Ra inférieure à 100nm, de préférence en dessous de 50 nm et plus préférablement à 20nm. L'invention concerne également une pièce en diamant (9) réalisée par la méthode de fabrication de l'invention.

Procédé de fabrication d'une pièce d'habillage d'horlogerie ou de bijouterie à base ceramique et à decor structuré.

L'invention concerne un procédé de fabrication d'une pièce d'habillage d'horlogerie ou de bijouterie comprenant les étapes successives suivantes : réalisation (101) d'une embase dans un substrat en matériau céramique, polissage miroir (2) de l'embase sur au moins une face dite „face d'affichage“ destinée à être visible par un utilisateur, usinage (103) par usinage laser selon des motifs prédéfinis lors d'une étape préliminaire (105), oxydation (104) de l'embase par traitement thermique. L'invention concerne également un cadran obtenu par un tel procédé.

Procédé de fabrication d'une pièce percée de microtechnique dans un matériau dur.

L'invention concerne un procédé de fabrication d'une pièce percée de microtechnique (101) dans un matériau dur présentant une dureté Vickers égale ou supérieure à 1'200 HV, la pièce percée comportant au moins un trou, borgne ou débouchant, caractérisé en ce qu'il comporte les étapes suivantes : fourniture d'une ébauche (100) définissant une première face (100a), une deuxième face (100b) opposée à la première face (100a) et une face périphérique (100c) reliant la première face (100a) à la deuxième face (100b), ladite face périphérique (100c) présentant la géométrie et les dimensions de la pièce percée (101), détermination, sur la première face (100a), d'un emplacement de centre de perçage (C), en prenant en compte la géométrie de ladite face périphérique (100c) et/ou la position de ladite face périphérique (100c) par rapport à son environnement fonctionnel final, usinage de l'ébauche (100) en prenant en compte ledit emplacement de centre de perçage (C), ledit usinage comprenant le perçage ...

DOUBLE ADAPTER CONNECTION FOR JOINING CERAMICS WITH METALS

SURFACE MODIFICATION

METHOD AND MACHINE FOR PRODUCING AT LEAST ONE PART IN AT LEAST ONE CERAMIC AND/OR METAL MATERIAL BY ADDITIVE MANUFACTURING

METHOD TO INCREASE THE QUALITY OF NY SURFACE BY MEANS OF LASER TREATMENT

MIXTURE OF CERAMIC PARTICLES AND METHOD OF MANUFACTURING CERAMIC PARTS OF SUCH MIXTURE

METHOD FOR IMPROVING SURFACE BY LASER TREATMENT

PROCESS AND DEVICE OF MARKING Of OBJECTS WITH MINERAL POWDERS FRITTEES

METHOD AND DEVICE FOR LASER MICRO-MACHINING

MODULAR LASER APPARATUS

PROCESS Of ASSEMBLY OF MATERIAL PARTS CONTAINING SIC BY BRAZING NON-REACTIF, COMPOSITIONS OF BRAZING, AND JOINT AND ASSEMBLY OBTAINED BY THIS PROCESS.

Procédé d'assemblage d'au moins deux pièces en matériaux à base de carbure de silicium par brasage non-réactif, dans lequel on met en contact les pièces avec une composition de brasure non-réactive, on chauffe l'ensemble formé par les pièces et la composition de brasure à une température de brasage suffisante pour faire fondre totalement ou au moins partiellement la composition de brasure, et on refroidit les pièces et la composition de brasure afin de former après solidification de celle-ci un joint moyennement réfractaire ; dans lequel la composition de brasure non-réactive est un alliage binaire constitué, en pourcentages atomiques, de 60% à 66% de silicium et de 34 à 40% de nickel. Composition de brasure telle que définie ci-dessus . Pâte, suspension, de brasure comprenant une poudre de ladite composition de brasure et un liant organique. Joint et assemblage obtenus par ledit procédé.

REFRACTORY WEARING PART FOR CONTAINERS CONTAINING OF Fused metal

DEVICE FOR COVERING BY PLASMA WITH THE LASER AND PROCESS FOR SA PUT IN ÓOEUVRE.

Method for processing transparent materials using spatio-temporally shaped pulsed-laser beam and Apparatus for the same

레이저를 이용한 미세 가공 장치 및 방법

... 레이저를 이용한 미세 가공 장치 및 방법에 관한 것으로, 레이저 빔이 투과하는 결정화된 가공대상물에 레이저 빔을 조사해서 가공 홀을 형성하는 레이저 빔 조사부, 상기 레이저 빔을 가공대상물의 내부에 국부적으로 조사해서 결정화된 가공대상물을 비결정화하도록, 상기 레이저 빔의 형상을 조정하는 광학부, 상기 레이저 빔의 펄스 폭과 펄스 에너지를 조정하는 레이저 빔 조정부 및 내부에 수용된 반응 용액에 침전된 가공대상물의 비결정화된 영역에 형성된 가공 홀을 화학 반응을 통해 화학적으로 제거하는 화학반응로를 포함하고, 상기 가공 홀은 가공대상물의 두께 대 상기 가공 홀의 직경의 비가 수 배에서 수만 배가 되도록 가공되는 구성을 마련하여, 결정화된 가공대상물 내부에서 매우 미세한 3차원 형상과, 가공대상물의 두께 대 가공 홀의 직경의 비가 수배 내지 수만 배가 되는 매우 좁은 홀을 가공대상물의 크랙이나 손상을 최소화하면서 가공할 수 있다.

Buffer Layer to Enhance Photo and/or Laser Sintering

Conductive lines are deposited on a substrate to produce traces for conducting electricity between electronic components. A patterned metal layer is formed on the substrate, and then a layer of material having a low thermal conductivity is coated over the patterned metal layer and the substrate. Vias are formed through the layer of material having the low thermal conductivity thereby exposing portions of the patterned metal layer. A film of conductive ink is then coated over the layer of material having the low thermal conductivity and into the vias to thereby coat the portions of the patterned metal layer, and then sintered. The film of conductive ink coated over the portion of the patterned metal layer does not absorb as much energy from the sintering as the film of conductive ink coated over the layer of material having the low thermal conductivity. The layer of material having the low thermal conductivity may be a polymer, such as polyimide.

Pollution control device and inorganic fiber sheet material with a fused edge

Inorganic fiber mounting and insulating sheet materials for use in pollution control devices with at least one edge of the inorganic fiber sheet material having at least one group of two or more fibers fused together. A pollution control device comprising such a sheet material. A process for cutting at least one section from a sheet containing inorganic fiber material, where the sheet material is suitable for use in a pollution control device. The fibrous sheet material is cut so that the cut edge has at least one group of two or more fibers fused together. A laser beam can be used to cut the desired section out of the inorganic fiber sheet material.

Cutting/polishing tool and manufacturing method thereof

There are provided a cutting/polishing tool that may be readily manufactured and have an improved cutting performance, and a manufacturing method thereof. The method for manufacturing the cutting/polishing tool including at least one cutting/polishing body may comprise preparing a tool body, and forming a cladding layer including cutting material particles by spraying, onto an outer surface of the tool body, the cutting material particles and a metal powder having a specific gravity greater than a specific gravity of the cutting material particles while heating the outer surface of the tool body using a heating device installed in a lower side of the outer surface of the tool body so that the metal powder is deposited on the outer surface of the tool body, wherein the cladding layer configures the at least one cutting/polishing body.

Plating of ceramic matrix composite parts as joining method in gas turbine hardware

Method of joining a ceramic matrix composite article to a metallic component by providing the ceramic matrix composite article with a metallic region which bonds to the metallic component.

Method and device for producing a component of a turbomachine

The invention relates to a method for producing a component ( 10 ) of a turbomachine, especially a structural part of a turbine or a compressor, the method being a generative production method for the layer-by-layer buildup of the component ( 10 ). After production of one or more successive component layers pressure is applied to at least sections of the surface of the most recently produced component layer ( 12 ), the pressure being induced by laser or plasma. The invention further relates to a device for producing a component ( 10 ) of a turbomachine, especially a structural part of a turbine or a compressor, the device ( 26 ) comprising at least one powder feed ( 28 ) for the deposition of at least one powder component material ( 16 ) onto a component platform, at least one radiation source ( 14 ) for a local layer-by-layer fusion or sintering of the component material ( 16 ) and at least one laser radiation source ( 20 ) or at least one plasma impulse source.

Annealing method and annealing apparatus

An annealing method irradiates a target object, having a film formed on its surface, with a laser beam to perform an annealing process to the target object. The surface of the target object is irradiated with the laser beam obliquely at an incident angle that is determined to achieve an improved laser absorptance of the film.

METHOD FOR ASSEMBLING, JOINING PARTS MADE OF SiC-BASED MATERIALS BY NON-REACTIVE BRAZING, BRAZING COMPOSITIONS, AND JOINT AND ASSEMBLY OBTAINED BY SAID METHOD

A method for joining, assembling, at least two parts made of silicon carbide-based materials by non-reactive brazing is provided. According to the method, the parts are contacted with a non-reactive brazing composition, the assembly formed by the parts and the brazing composition is heated to a brazing temperature sufficient to melt the brazing composition totally or at least partly, and the parts and the brazing composition are cooled so that, after solidification of the brazing composition, a moderately refractory joint is formed; wherein the non-reactive brazing composition is a binary alloy consisting in atomic percentages, of 60% to 66% silicon and 34 to 40% nickel. A brazing composition as defined above is also provided. A paste, suspension of braze alloy comprising a powder of the brazing composition and an organic binder is provided. In addition, a joint and assembly obtained with the foregoing method is provided.

Laser processing machine

A laser processing machine includes a cavity, a laser system, at least one processing platform, and at least one upper motion platform. The laser system is disposed at a lower part inside the cavity, and used for outputting a laser beam. A traveling direction of the laser beam is opposite to the gravity direction. The processing platform is disposed at an upper part inside the cavity, and includes an adsorption surface and a connection surface facing each other. The adsorption surface is located below the connection surface, and is used for adsorbing a workpiece. The upper motion platform is disposed at the upper part inside the cavity, and is correspondingly connected to the connection surface of the processing platform, in order to cause the processing platform to move.

Systems and processes that singulate materials

Systems and methods for material singulation. According to some embodiments, methods for material singulation may include applying a first laser output to the material, the first laser output causing a modification of a material property of the material when exposed to the first laser output; and applying a second laser output to the material that was exposed to the first laser output to cause singulation of the material in such a way that surfaces created by the singulation of the material are substantially free from defects.

Method for patterning nano particles

The invention provides a simple and inexpensive method to assemble nanomaterials into millimeter lengths. The method can be used to generate optical, sensing, electronic, magnetic and or catalytic materials. Also provided is a substrate comprised of fused nanoparticles. The invention also provides a diode comprised of assembled nanoparticles.

Innovative braze and brazing process for hermetic sealing between ceramic and metal components in a high-temperature oxidizing or reducing atmosphere

A superior braze material, along with a method of producing the braze material and a method of sealing, joining or bonding materials through brazing is disclosed. The braze material is based on a metal oxide-noble metal mixture, typically Ag—CuO, with the addition of a small amount of metal oxide and/or metal such as TiO 2 , Al 2 O 3 , YSZ, Al, and Pd that will further improve wettability and joint strength. Braze filer materials, typically either in the form of paste or thin foil, may be prepared by a high-energy cryogenic ball milling process. This process allows the braze material to form at a finer size, thereby allowing more evenly dispersed braze particles in the resultant braze layer between on the surface of the ceramic substrate and metallic parts.

Method and apparatus for repairing gas turbine components made of ceramic composite materials

Method for repairing a gas turbine component, which at least at the spot to be repaired consists of a ceramic composite material, where an energy beam locally heats the gas turbine component in a zone, and where one or more auxiliary materials and optionally fibers and/or particles are fed to this zone, wherein a ceramic is generated in the melting zone through the one or more auxiliary materials, and, optionally, the one or more auxiliary materials together with the fibers and/or particles forms a ceramic composite material.

Metallic compositions useful for brazing, and related processes and devices

A braze alloy composition is disclosed, containing nickel, about 5% to about 40% of at least one refractory metal selected from niobium, tantalum, or molybdenum; about 2% to about 32% chromium; and about 0.5% to about 10% of at least one active metal element. An electrochemical cell that includes two components joined to each other by such a braze composition is also described. A method for joining components such as those within an electrochemical cell is also described. The method includes the step of introducing a braze alloy composition between a first component and a second component to be joined, to form a brazing structure. In many instances, one component is formed of a ceramic, while the other is formed of a metal or metal alloy.

BRAZE COMPOSITIONS, AND RELATED DEVICES

A braze alloy composition for sealing a ceramic component to a metal component in an electrochemical cell is presented. The braze alloy composition includes copper, nickel, and an active metal element. The braze alloy includes nickel in an amount less than about 30 weight percent, and the active metal element in an amount less than about 10 weight percent. An electrochemical cell using the braze alloy for sealing a ceramic component to a metal component in the cell is also provided. 1. An electrochemical cell comprising:a tubular separator disposed in a cell case defining a portion of a cathodic chamber and an anodic chamber, wherein the cathodic chamber comprises an alkali metal halide, and forms an ion capable of conducting through the separator;an electrically insulating ceramic collar disposed on a top end of the separator, anda metal ring disposed on the electrically insulating ceramic collar,wherein the electrically insulating ceramic collar is joined to the metal ring by a braze alloy composition comprising nickel, chromium, iron, silicon, boron and an active metal element, wherein chromium is present in an amount less than 10 weight percent, iron is present in an amount less than 10 weight percent, silicon is present in an amount from about 2 weight percent to about 10 weight percent, boron is present in an amount less than 5 weight percent, the active metal element is present in an amount from about 1 weight percent to about 3 weight percent, based on a total weight of the braze alloy composition, wherein the active metal element comprises titanium, zirconium, hafnium, vanadium, or a combination thereof, and wherein the braze alloy composition is in direct contact with both the electrically insulating ceramic collar and the metal ring.2. The electrochemical cell of claim 1 , wherein the alkali metal halide comprises sodium halide.3. The electrochemical cell of claim 1 , wherein the anodic chamber contains sodium.4. The electrochemical cell of claim 1 , ...

INTEGRATED ADDITIVE MANUFACTURING AND LASER PROCESSING SYSTEMS AND METHODS FOR CERAMIC, GLASS, AND SILICON CARBIDE APPLICATIONS

A method for fabricating a protonic ceramic energy device includes: coating an electrolyte layer on an anode layer; and densifying the electrolyte layer by a rapid laser reactive sintering (RLRS) process on the electrolyte layer and/or the anode layer to form a half-cell comprising a dense electrolyte and a porous anode. 120-. (canceled)21. A method for fabricating a protonic ceramic energy device , the method comprising:coating an electrolyte layer on an anode layer; anddensifying the electrolyte layer by a rapid laser reactive sintering (RLRS) process on the electrolyte layer and/or the anode layer to form a half-cell comprising a dense electrolyte and a porous anode.22. The method of further comprising depositing a cathode layer on the electrolyte layer or the dense electrolyte.23. The method of further comprising treating the half-cell and cathode layer in a furnace to form a single cell comprising the dense electrolyte claim 22 , the porous anode claim 22 , and a porous cathode.24. The method of wherein the RLRS process comprises a one-step tri-sintering of the anode layer claim 22 , the electrolyte layer claim 22 , and the cathode layer to form a single cell.25. The method of wherein the RLRS process comprises a one-step co-sintering of the anode layer and the electrolyte layer.26. The method of wherein the RLRS process is carried out using a COlaser.27. The method of further comprising preheating the anode layer and the electrolyte layer before the RLRS process.28. The method of wherein the porous anode comprises a nanoporous anode.29. The method of wherein the anode layer comprises a pre-sintered anode.30. The method of wherein the RLRS process allows for the rapid manufacturing of the protonic ceramic half-cell with desired crystal structure claim 21 , microstructure claim 21 , and thickness.31. A method for manufacturing at least one component for a protonic ceramic energy device claim 21 , the method comprising:depositing a precursor on a build surface; ...

Method for Separating Thin Layers of Solid Material from a Solid Body

Providing a solid body to be split into a number of layers of solid material, introducing or generating defects in the solid body in order to determine a first detachment plane () along which a first layer of solid material is separated from the solid body, providing a receiving layer for holding the layer of solid material on the solid body, applying heat to the receiving layer in order to generate, in particular mechanically, stresses in the solid body, due to the stresses a crack propagating in the solid body along the detachment plane, which crack separates the first layer of solid material from the solid body, then providing a second receiving layer for holding another layer of solid material on the solid body reduced by the first layer of solid material, introducing or generating defects in the solid body in order to determine a second detachment plane () along which a second layer of solid material is separated from the solid body, applying heat to the second receiving layer in order to generate, in particular mechanically, stresses in the solid body, due to the stresses a crack propagating in the solid body along the second detachment plane, which crack separates the second layer of solid material from the solid body. 1. (canceled)2. A method for producing layers of solid material , the method comprising:introducing or generating defects in a solid body to define a first detachment plane along which a first layer of solid material is to be separated from the solid body;providing a first receiving layer for holding the first layer of solid material on the solid body;applying heat to the first receiving layer to generate stresses in the solid body, the stresses causing a first crack to propagate in the solid body along the first detachment plane, wherein the first layer of solid material is separated from the solid body along the first crack;after separating the first layer of solid material from the solid body, introducing or generating defects in the solid ...

Methods of continuous fabrication of holes in flexible substrate sheets and products relating to the same

Systems and processes of cutting and drilling in a target substrate uses a laser (e.g., a pulsed laser) and an optical system to generate a line focus of the laser beam within the target substrate, such as a glass substrate sheet, are provided. The laser cutting and drilling system and process creates holes or defects that, in certain embodiments, extend the full depth of the glass sheet with each individual laser pulse, and allows the laser system to cut and separate the target substrate into any desired contour by creating a series of perforations that form a contour or desired part shape. Since a glass substrate sheet is brittle, cracking will then follow the perforated contour, allowing the glass substrate sheet to separate into any required shape defined by the perforations.

PROCESSING METHOD, PROCESSING SYSTEM, AND PROCESSING PROGRAM

A processing method for forming an object by processing a material using a cutting tool and a laser beam, including forming, by projecting the laser beam to an unnecessary portion of the material, one or more cleavage regions in the unnecessary portion, and cutting, using the cutting tool, the unnecessary portion including the one or more cleavage regions that have been formed. 1. A processing method for forming an object by processing a material using a cutting tool and a laser beam , the processing method comprising:a projection step of forming, by projecting the laser beam to an unnecessary portion of the material, one or more cleavage regions in the unnecessary portion; anda cutting step of cutting, using the cutting tool, the unnecessary portion including the one or more cleavage regions that have been formed.2. The processing method according to claim 1 , wherein two or more cleavage regions are formed in a first direction from a surface of the material by projecting the laser beam.3. The processing method according to claim 2 , wherein an additional two or more cleavage regions are formed in a second direction by projecting the laser beam claim 2 , the second direction being perpendicular to the first direction.4. The processing method according to claim 1 , wherein the one or more cleavage regions are formed claim 1 , by the laser beam claim 1 , in the unnecessary portion using a non-thermal processing when the material is a light-transmitting material claim 1 , and the one or more cleavage regions are formed claim 1 , by the laser beam claim 1 , in the unnecessary portion using a thermal processing when the material is an opaque material.5. The processing method according to claim 1 , wherein claim 1 , when process sites corresponding to the one or more cleavage regions are layered in a direction of projection of the laser beam claim 1 , the laser beam is projected to the layered process sites in a descending order of distance from a material surface ...

Aluminum alloy products, and methods of making the same

The present disclosure relates to new metal powders for use in additive manufacturing, and aluminum alloy products made from such metal powders via additive manufacturing. The composition(s) and/or physical properties of the metal powders may be tailored. In turn, additive manufacturing may be used to produce a tailored aluminum alloy product.

Wedge bonding component

There is provided with a surface for contacting a wire. At least a part of the surface comprises a surface of a ceramic sintered body containing aluminum oxide as a main ingredient and titanium carbide as an accessory ingredient.

Method of manufacturing metal articles

A method for making an article is disclosed. According to the method, a digital model of the article is generated. The digital model is inputted into an additive manufacturing apparatus comprising an energy source. The additive manufacturing apparatus applies energy from the energy source to successively applied incremental quantities of a powder to fuse the powder to form the article corresponding to the digital model. The powder particles individually include a composite core including a first phase of a first metal and a second phase of a ceramic. A first shell including a second metal is disposed over the core.

Method for eliminating runout of braze filler metal during active brazing

Nanometers thick conformal coatings deposited by atomic-layer deposition (ALD) onto the metal surface of an active braze joint modifies the surface chemistry to eliminate excess braze filler metal flow. Unlike other means used to prevent braze filler metal runout, the thin ALD coating does not hinder next assembly processes, does not require post-braze cleaning, and does not alter the base material mechanical properties.

Brazeable Zirconia Ceramics, Methods Of Brazing Zirconia Ceramics, And Brazed Zirconia Ceramics

A method of brazing a sintered zirconia ceramic body, comprises: providing a sintered zirconia ceramic body having a surface; chemically reducing the sintered zirconia ceramic body in whole or in part to form a reduced surface to the sintered zirconia ceramic body; applying a brazing material to at least part of the reduced surface to form an assembly comprising said brazing material and sintered zirconia ceramic body; heating said assembly to a temperature sufficient to at least partially melt the brazing material such that the brazing material wets the reduced surface; and cooling the assembly to solidify the brazing material. 1. A method of brazing a sintered zirconia ceramic body , comprising:providing a sintered zirconia ceramic body having a surface;chemically reducing the sintered zirconia ceramic body in whole or in part to form a reduced surface to the sintered zirconia ceramic body;applying a brazing material to at least part of the reduced surface to form an assembly comprising said brazing material and sintered zirconia ceramic body;heating said assembly to a temperature sufficient to at least partially melt the brazing material such that the brazing material wets the reduced surface; andcooling the assembly to solidify the brazing material.2. A method of preparing a sintered zirconia ceramic body for brazing , comprising:providing a sintered zirconia ceramic body having a surface comprising at least in part a region adapted to be brazed; andchemically reducing the sintered zirconia ceramic body in whole or in part to form a reduced surface to the sintered zirconia ceramic body.3. The method of claim 1 , wherein chemically reducing the sintered zirconia ceramic body comprises exposing the sintered zirconia ceramic body to a reducing atmosphere.4. The method of claim 3 , wherein the reducing atmosphere comprises hydrogen.5. The method of claim 1 , wherein in which the sintered zirconia ceramic body comprises greater than 50 wt % zirconia.6. The method of ...

SEPARATION AND RELEASE OF LASER-PROCESSED BRITTLE MATERIAL

A method for separating and releasing a closed-form piece from a workpiece made of a brittle material is disclosed. A first pulsed laser-beam creates defects along the outline of the closed-form piece. A second laser-beam selectively heats the closed-form piece for a first time that is sufficient to initiate cracking between the defects. The heating is stopped for a period sufficiently long for the cracks to propagate completely between the defects. The second laser-beam is applied for a second time that causes melting and deformation of the closed-form piece. The deformation opens a gap between the closed-form piece and the rest of the workpiece, thereby allowing release of the closed-form piece. 1. A method for separating and releasing a closed-form piece from a workpiece made of a brittle material using a beam of laser-radiation , the method comprising:providing a workpiece having a plurality of defects along an outline of the closed-form piece created by laser processing;applying the beam of laser-radiation to the closed-form piece for a first duration, the beam of laser-radiation initiating cracking between the defects;pausing application of the beam of laser-radiation while the cracking propagates completely between the defects; andapplying the beam of laser-radiation for a second duration, the beam of laser-radiation heating at least a portion of the closed-form piece above the melting temperature of the brittle material, the melting causing deformation;wherein contraction of the deformed closed-form piece during cooling after the second duration opens a gap between the closed-form piece and the rest of the workpiece.2. The separating and releasing method of claim 1 , wherein the defects were created by laser filaments formed by focusing a beam of pulsed laser-radiation.3. The separating and releasing method of claim 1 , wherein the defects are in the form of voids.4. The separating and releasing method of claim 1 , wherein the beam of laser-radiation is ...

Coating For Cutting Implement

A cutting implement including a metal substrate, carbide edge(s), and coating is provided. The coating is zirconium PVD (ZrCRTiNO), which provides protection against corrosion of the metal substrate. In some instances, the zirconium PVD provides protection from corrosion for at least 200 hours. A layer of carbide can be added to one or more cutting edges of the metal substrate prior to the deposition of the coating. The carbide increases the sharpness of the cutting edges and therefore increases the life or longevity of the cutting edges. Thus, a combination of zirconium PVD (ZrCRTiNO) as a coating and carbide edges on a metal substrate can increase the life of the metal substrate by providing increased hardness, sharpness, and anti-corrosive properties.

KINETICALLY LIMITED NANO-SCALE DIFFUSION BOND STRUCTURES AND METHODS

Bulk materials having a kinetically limited nano-scale diffusion bond is provided. The bulk materials having a kinetically limited nano-scale diffusion bond includes transparent material, absorbent opaque material and a diffusion bond. The transparent material has properties that allow an electromagnetic beam of a select wavelength to pass there through without more than minimal energy absorption. The absorbent opaque material has properties that significantly absorb energy from the electromagnetic beam. The diffusion bond is formed by the electromagnetic beam bonding the transparent material to the absorbent opaque material. Moreover, the diffusion bond has a thickness that is less than 1000 nm. 1. Bulk materials having a kinetically limited nano-scale diffusion bond comprising:transparent material having properties that allow an electromagnetic beam of a select wavelength to pass there through without more than minimal energy absorption;absorbent opaque material having properties that significantly absorb energy from the electromagnetic beam; anda diffusion bond formed by the electromagnetic beam bonding the transparent material to the absorbent opaque material, the diffusion bond having a thickness less than 1000 nm, the diffusion bond including an interfacial bond joint region that is less than 200 nm and an amorphous diffusion zone that is less than 60 nm thick and within the interfacial bond joint region; andan undisturbed transparent material and undisturbed absorbent opaque material outside the interfacial bond joint, the undisturbed transparent material and undisturbed absorbent opaque material not being affected by the formation of the diffusion bond.2. The bulk materials having a kinetically limited nano-scale diffusion bond of claim 1 , further comprising:the diffusion bond including an interfacial bond joint region that is less than 1000 nm; andundisturbed transparent material and undisturbed absorbent opaque material outside the interfacial bond joint, ...

Electrostatic chuck with embossments that comprise diamond-like carbon and deposited silicon-based material, and related methods

Described are electrostatic chucks that are useful to support a workpiece during a step of processing the workpiece, the electrostatic chuck including embossments that are made of multiple deposited layers, the layers including diamond-like carbon layers and layers that contain silicon-based materials such as silicon carbide layers.

PRODUCTION METHOD FOR COPPER/CERAMIC JOINED BODY, PRODUCTION METHOD FOR INSULATED CIRCUIT BOARD, COPPER/CERAMIC JOINED BODY, AND INSULATED CIRCUIT BOARD

A method of producing a copper/ceramic bonded body, the copper member having a composition having a Cu purity of 99.96 mass % or more, a balance of inevitable impurities, a P content of 2 mass ppm or less, and a total content of Pb, Se and Te of 10 mass ppm or less, the method includes bonding the laminated copper member and the ceramic member by pressing and heating, wherein an average crystal grain size of the copper member before bonding is 10 μm or more, an aspect ratio is 2 or less, and a pressing load is 0.05 MPa or more and 1.5 MPa or less, a heating temperature is 800° C. or higher and 850° C. or lower, and a holding time at the heating temperature is 10 minutes or longer and 90 minutes or shorter. 1. A method of producing a copper/ceramic bonded body with a copper member and a ceramic member bonded each other , the copper member having a composition having a Cu purity of 99.96 mass % or more , a balance of inevitable impurities , a P content of 2 mass ppm or less , and a total content of Pb , Se and Te of 10 mass ppm or less , the method comprises:a bonding step of bonding the copper member and the ceramic member laminated to each other by pressing the laminated copper member and ceramic member in a laminating direction and heating,wherein an average crystal grain size of the copper member before bonding is set to 10 μm or more,an aspect ratio, which means a ratio of a major axis to a minor axis of a crystal grain on a rolled surface, is set to 2 or less, andin the bonding step, a pressing load in the laminating direction is set to be in a range of 0.05 MPa or more and 1.5 MPa or less, a heating temperature is set to be in a range of 800° C. or higher and 850° C. or lower, and a holding time at the heating temperature is set to be in a range of 10 minutes or longer and 90 minutes or shorter.2. The method of producing a copper/ceramic bonded body according to claim 1 ,{'b': 0', '1', '1, 'claim-text': {'br': None, 'i': D', 'R', 'R, 'Relational expression RD=1 ...

BONDED MULTI-PIECE GAS TURBINE ENGINE COMPONENT

A gas turbine engine component includes an airfoil that has first and second structural airfoil segments that are bonded to each other in at least one diffusion joint. The first and second structural airfoil segments are formed of, respectively, first and second materials. The first and second materials are: different base-metal metallic alloys, a metallic alloy and a ceramic-based material, or ceramic-based materials that differ by at least one of composition and microstructure. The first structural airfoil segment is a first skin and the second structural airfoil segment is a hollow core that has an airfoil shape. 1. A gas turbine engine component comprising: different base-metal metallic alloys,', 'a metallic alloy and a ceramic-based material, or', 'ceramic-based materials that differ by at least one of composition and microstructure,, 'an airfoil including first and second structural airfoil segments that are bonded to each other in at least one diffusion joint, the first and second structural airfoil segments being formed of, respectively, first and second materials, wherein the first and second materials arewherein the first structural airfoil segment is a first skin and the second structural airfoil segment is a hollow core that has an airfoil shape.2. The gas turbine engine component as recited in claim 1 , wherein each of the first and second structural airfoil segments includes a respective wall having an exterior surface and an opposed claim 1 , interior surface claim 1 , with a plurality of ribs extending from the interior surface.3. The gas turbine engine component as recited in claim 1 , wherein the first skin includes a wall having an external surface and an opposed claim 1 , interior surface claim 1 , with a plurality of spaced-apart protrusions extending from the interior surface claim 1 , and free ends of the plurality of spaced-apart protrusions are bonded to the hollow core in diffusion joints.4. The gas turbine engine as recited in claim 3 , ...

Bonding method and bonded structure

A bonding target member 1 having a solid bonding material 3 with aluminum as a main component is interposed between a metal member 2 and a ceramic member 4 and an elastic member 12 are pressurized by a pressurizing section 13 and a bonding tool section 15 of a resonator 14 in a vertical direction. The bonding tool section 15 of the resonator 14 resonates with sound vibration or ultrasound vibration transmitted from an oscillator 16. An interfacial portion between the metal member 2 and the bonding material 3 with aluminum as a main component and an interfacial portion between the bonding material 3 with aluminum as a main component and the ceramic member 4 each receive pressurization and vibration energy to be bonded together. The metal member 2 and the ceramic member 4 can be bonded together at ordinary temperature in the atmosphere with the bonding material 3 with aluminum as a main component. When the ceramic member 4 has a thickness resistant to pressurization and vibration energy at the time of bonding to resist crack, the elastic member 12 may be disposed on a metal member 2 side, or may not be used.

Method and device for etching patterns inside objects

Systems and methods for etching complex patterns on an interior surface of a hollow object are disclosed. A method generally includes positioning a laser system within the hollow object with a focal point of the laser focused on the interior surface, and operating the laser system to form the complex pattern on the interior surface. Motion of the laser system and the hollow object is controlled by a motion control system configured to provide rotation and/or translation about a longitudinal axis of one or both of the hollow object and the laser system based on the complex pattern, and change a positional relationship between a reflector and a focusing lens of the laser system to accommodate a change in distance between the reflector and the interior surface of the hollow object.

CERAMIC TRANSDUCER ELECTRONIC COMPONENT AND METHOD OF FORMING ELECTRODE THEREIN

A method of forming an electrode in a ceramic transducer electronic component is provided. The method includes preparing a sintered body for a ceramic transducer containing a metal oxide, performing patterning by irradiating a laser on a surface of the sintered body for a ceramic transducer, and forming a metal electrode by performing an electroless plating process on the sintered body for a ceramic transducer on which the patterning is formed, wherein, in the performing of the patterning by irradiating the laser on the surface of the sintered body for a ceramic transducer, the patterning is performed by irradiating the laser that satisfies at least one of a predetermined power condition and a predetermined processing speed condition. 1. A method of forming an electrode in a ceramic transducer electronic component , the method comprising;preparing a sintered body for a ceramic transducer containing a metal oxide;irradiating a laser on a surface of the sintered body for a ceramic transducer to perform patterning; andperforming an electroless plating process on the sintered body for a ceramic transducer, on which the patterning is formed, to form a metal electrode,wherein, in the irradiating of the laser on the surface of the sintered body for a ceramic transducer to perform the patterning, the laser that satisfies at least one of a predetermined power condition and a predetermined processing speed condition is irradiated to perform the patterning.2. The method of claim 1 , wherein the sintered body for a ceramic transducer is a sintered body for a ceramic transducer based on a PZT-PZN piezoelectric ceramic composition.3. The method of claim 1 , wherein claim 1 , in the irradiating of the laser on the surface of the sintered body for a ceramic transducer to perform the patterning claim 1 , the laser that satisfies a processing speed condition of 400 mm/sec or less as the predetermined processing speed condition is irradiated to perform the patterning.4. The method of ...

Diffusion bonded lead connector

A medical device lead connector includes electrically conducting contact rings spaced apart by an electrically insulating ring and in axial alignment. The electrically conducting contact ring and the insulating ring having an interface bond on an atomic level.

Ceramic matrix composite component and method of producing the same

A ceramic matrix composite component includes a first substrate and a second substrate each formed of a silicide-containing ceramic matrix composite, silicon carbide layers respectively coating a bonding surface of the first substrate and a bonding surface of the second substrate, and a bonding layer formed of a silicon-containing alloy and provided between the silicon carbide layer coating the bonding surface of the first substrate and the silicon carbide layer coating the bonding surface of the second substrate.

MAGNETIC CONFINEMENT HEATING DEVICE FOR SELECTIVE ADDITIVE MANUFACTURING APPARATUS

A device for heating a bed of powder in an additive manufacturing apparatus comprising: a plasma generation device (), said device being adapted to be positioned and displaced above the bed of powder, at a distance from the bed of powder allowing for the generation of the plasma thereon, an electrical power supply unit () for said plasma generation device, and a control unit () for controlling the power supply and the displacement of the plasma generation device The plasma generation device () comprises a magnetic plasma containment assembly. 113.-. (canceled)14. A heating device for heating a bed of powder in an additive manufacturing apparatus , the heating device comprising:a plasma generation device,the heating device being configured for heating a bed of powder in an additive manufacturing apparatus,the plasma generation device being configured for being positioned and displaced above the bed of powder, at a distance from the bed of powder allowing for generation of a plasma thereon, andthe plasma generation device comprising a magnetic plasma containment assembly;an electrical power supply unit for the plasma generation device; anda control unit for controlling the power supply and a displacement of the plasma generation device.15. The heating device according to claim 14 , wherein the magnetic plasma containment assembly comprises a device of magnetron type suitable for containing charged particles.16. The heating device according to claim 15 , wherein the device of magnetron type comprises an arrangement of magnets configured to contain electrons according to a linear pattern.17. The heating device according to claim 16 , wherein the device of magnetron type comprises a slit forming a source of ions claim 16 , the slit being formed through an electrode and emerging facing the bed of powder.18. The heating device according to claim 17 , further comprising injection means configured for injecting a gas into the slit.19. The heating device according to claim 14 ...

High Temperature Capable Braze Assembly

The present invention relates to an article comprising a ceramic substrate () comprising a source of zirconium oxide; a metallic substrate (); and a braze joint disposed between the ceramic substrate and the metallic substrate. The braze joint comprises (i) a gold rich phase () interfacing against a surface of the ceramic substrate. The gold rich phase comprises a refractory metal selected from the group consisting of molybdenum, tungsten, niobium, tantalum and combinations thereof; and (ii) a second metallic phase () comprising a metal selected form the group consisting of nickel, iron, vanadium, cobalt, chromium, osmium, tantalum or combinations thereof. 1. An article comprising:{'b': '310', 'a. a ceramic substrate () comprising a source of zirconium oxide;'}{'b': '320', 'b. a metallic substrate (); and'}c. a braze joint disposed between the ceramic substrate and the metallic substrate, [{'b': '330', '(iii) a gold rich phase () interfacing against a surface of the ceramic substrate, said gold rich phase comprises a refractory metal selected from the group consisting of molybdenum, tungsten, niobium, tantalum and combinations thereof; and'}, {'b': '340', '(iv) a second metallic phase () comprising a metal selected form the group consisting of nickel, iron, vanadium, cobalt,'}], 'wherein the braze joint compriseschromium, osmium, tantalum or combinations thereof.2. The article according to claim 1 , wherein the source of zirconium oxide has the formula:{'br': None, 'sub': '2-x', 'ZrOwhere x is greater than 0.'}3. The article according to claim 1 , wherein the source of zirconium oxide further comprises yttria claim 1 , magnesia claim 1 , scandia claim 1 , alumina claim 1 , calcia or ceria.4. The article according to claim 1 , wherein the source of zirconium oxide is selected from the group consisting of zirconia claim 1 , yttria stabilised zirconia claim 1 , magnesia stabilised zirconia claim 1 , scandia stabilized zirconia claim 1 , calcia stabilised zirconia claim ...

SYSTEM AND METHOD FOR ADDITIVE MANUFACTURING

A method for forming a component includes providing a first layer of a mixture of first and second powders. The method includes determining the frequency of an alternating magnetic field to induce eddy currents sufficient to bulk heat only one of the first and second powders. The alternating magnetic field is applied at the determined frequency to a portion of the first layer of the mixture using a flux concentrator. Exposure to the magnetic field changes the phase of at least a portion of the first powder to liquid. The liquid portion couples to at least some of the second powder and subsequently solidifies to provide a composite component. 2. The method of claim 1 , wherein two or more particles of the first powder combine to form a consolidated material after the two or more particles change to the liquid phase claim 1 , the consolidated material having a size de-coupling the magnetic field from the consolidated material.3. The method of claim 1 , wherein surface heating of each particle of the second powder occurs when 2δ for the respective particle of the second powder is less than a diameter of the respective particle of the second powder.4. The method of claim 1 , wherein determining the frequency of the alternating magnetic field is based on a dimension of the particles within the first powder.5. The method according to claim 4 , wherein the first powder has a first mean particle diameter and the second powder has a second mean particle diameter which is different from the first mean particle diameter.6. The method of claim 1 , wherein determining the frequency of the alternating magnetic field is based on a resistivity of particles with the first powder.7. The method according to claim 6 , wherein the first material has a first resistivity and the second material has a second resistivity different than the first resistivity.8. The method according to claim 1 , wherein the first powder includes particles from a first material and the second powder includes ...

Dual wall components for gas turbine engines

A dual wall component for use in a gas turbine engine and a method for making the same are disclosed herein. The dual wall component includes an inner support wall and an outer shield wall that extends around the inner support wall to act as a heat shield for the inner support wall.

Wafer producing method and laser processing apparatus

A wafer producing method includes a facet area detecting step of detecting a facet area from an upper surface of an SiC ingot, a coordinates setting step of setting the X and Y coordinates of plural points lying on the boundary between the facet area and a nonfacet area in an XY plane, and a feeding step of setting a focal point of a laser beam having a transmission wavelength to SiC inside the SiC ingot at a predetermined depth from the upper surface of the SiC ingot, the predetermined depth corresponding to the thickness of the SiC wafer to be produced, next applying the laser beam from a focusing unit in a laser processing apparatus to the SiC ingot, and relatively moving the SiC ingot and the focal point in an X direction parallel to the X axis in the XY plane, thereby forming a belt-shaped separation layer extending in the X direction inside the SiC ingot.

Multi-Laser System and Method for Cutting and Post-Cut Processing Hard Dielectric Materials

Laser processing of hard dielectric materials may include cutting a part from a hard dielectric material using a continuous wave laser operating in a quasi-continuous wave (QCW) mode to emit consecutive laser light pulses in a wavelength range of about 1060 nm to 1070 nm. Cutting using a QCW laser may be performed with a lower duty cycle (e.g., between about 1% and 15%) and in an inert gas atmosphere such as nitrogen, argon or helium. Laser processing of hard dielectric materials may further include post-cut processing the cut edges of the part cut from the dielectric material, for example, by beveling and/or polishing the edges to reduce edge defects. The post-cut processing may be performed using a laser beam with different laser parameters than the beam used for cutting, for example, by using a shorter wavelength (e.g., 193 nm excimer laser) and/or a shorter pulse width (e.g., picosecond laser).

Actively brazed joint and method of processing

A method of processing a joint, including forming an actively brazed joint in a vacuum furnace, wherein the actively brazed joint is formed from at least two components coupled together by a volume of a joining metal alloy having a solidus temperature and a liquidus temperature, wherein the joining metal alloy is heated to a first temperature that is higher than the liquidus temperature in the vacuum furnace. The method also includes cooling the actively brazed joint to a second temperature lower than the solidus temperature, and maintaining the second temperature within the vacuum furnace for a predefined duration to form at least one region of segregated crystallization within the volume of the joining metal alloy, the at least one region of segregated crystallization is configured to increase the liquidus temperature of a layer of brazed metal, formed from the joining metal alloy, between the at least two components.

Braze materials and method for joining of ceramic matrix composites

A gas turbine engine includes at least two components. The first component is coupled to the second component by a melt alloy.

COMBINED PRODUCTION MEHTOD FOR SEPARATING A NUMBER OF THIN LAYERS OF SOLID MATERIAL FROM A THICK SOLID BODY

Providing a solid body to be split into a number of layers of solid material, introducing or generating defects in the solid body in order to determine a first detachment plane () along which a first layer of solid material is separated from the solid body, providing a receiving layer for holding the layer of solid material on the solid body, applying heat to the receiving layer in order to generate, in particular mechanically, stresses in the solid body, due to the stresses a crack propagating in the solid body along the detachment plane, which crack separates the first layer of solid material from the solid body, then providing a second receiving layer for holding another layer of solid material on the solid body reduced by the first layer of solid material, introducing or generating defects in the solid body in order to determine a second detachment plane () along which a second layer of solid material is separated from the solid body, applying heat to the second receiving layer in order to generate, in particular mechanically, stresses in the solid body, due to the stresses a crack propagating in the solid body along the second detachment plane, which crack separates the second layer of solid material from the solid body. 1providing a solid body to be split into a number of layers of solid material, the solid body having a first level surface portion and a second level surface portion;introducing or generating defects in the solid body using laser beams in order to determine a first detachment plane along which a first layer of solid material is separated from the solid body, the laser beams penetrating into the solid body via the second level surface portion;providing a receiving layer for holding the layer of solid material on the second level surface portion of the solid body, the receiving layer being in the form of a polymer layer;applying heat to the receiving layer in order to mechanically generate stresses in the solid body, the application of heat ...

CERAMIC-METAL SUBSTRATE WITH LOW AMORPHOUS PHASE

A ceramic-metal substrate in which the ceramic substrate has a low content of an amorphous phase. The ceramic-metal substrate includes a ceramic substrate and on at least one side of the ceramic substrate a metallization. The ceramic-metal substrate has at least one scribing line, at least one cutting edge, or both at least one scribing line and at least one cutting edge. Amorphous phases extend parallel to the scribing line and/or the cutting edge in a width of at most 100 μm or of at least 0.50 μm. 1. A ceramic-metal substrate comprising:a ceramic substrate having sides and at least one scribing line and/or cutting edge;a metallization on at least one side of the ceramic substrate; andamorphous phases that extend parallel to the scribing line and/or the cutting edge and have a width in a range of at least 0.50 μm and at most 100 μm.2. (canceled)3. The ceramic-metal substrate according to claim 1 , wherein the ceramic substrate has at least one scribing line with an edge and the amorphous phases extend claim 1 , starting from the scribing line and running parallel to the scribing line claim 1 , and the width claim 1 , calculated from the edge of the scribing line claim 1 , is at least 0.50 μm and at most 50 μm.4. (canceled)5. The ceramic-metal substrate according to claim 1 , wherein the ceramic substrate has at least one scribing line with a center line and the amorphous phases extend claim 1 , starting from the scribing line and running parallel to the scribing line claim 1 , and the width claim 1 , calculated from the center line of the scribing line claim 1 , is at least 0.50 μm and at most 100 μm.6. (canceled)7. The ceramic-metal substrate according to claim 1 , wherein the ceramic substrate has at least one cutting edge with an inner edge and the amorphous phases extend claim 1 , starting from the inner edge of the cutting edge and running parallel to the cutting edge claim 1 , and the width claim 1 , calculated from the inner edge of the cutting edge claim 1 ...

Process For Nanostructuring The Surface Of A Material By Laser Context And Technological Background

The invention relates to a process for nanostructuring the surface of a solid material in order to form a regular pattern of nanostructures on said surface, comprising: 1. Process for nanostructuring a surface of a solid material in order to form a regular pattern of nanostructures on said surface , said process comprising:supplying the solid material, said material comprising the surface; each pulse train comprises at least two pulses,', 'each pulse has a peak fluence, and a sum of the peak fluences of the pulses of a pulse train is between 10% and 70% of a threshold fluence corresponding to a material ablation threshold for one pulse for said material,', 'two consecutive pulses of a pulse train are temporally separated by a peak-to-peak duration ΔT between 500 fs and 150 ps,', 'two consecutive pulse trains are temporally separated by a duration greater than 10 ΔT,', 'obtaining of a regular pattern of nanostructures on said portion of the surface, having a spatial periodicity lower than 130 nm,', 'displacing the femtosecond laser beam on the surface in such a way as to irradiate other portions of said surface., 'irradiating a portion of the surface by a femtosecond laser beam, comprising a plurality of pulse trains, wherein2. Process according to claim 1 , wherein each pulse has a peak fluence between 5% and 65% of a threshold fluence corresponding to a material ablation threshold for one pulse for said material.3. Process according to claim 1 , wherein the irradiating by the plurality of pulse trains on a same surface portion represents a total dose less than 6 J/cm.4. Process according to claim 1 , wherein each portion of the surface is irradiated by at least 5 pulse trains.5. Process according to claim 1 , wherein each portion of the surface is irradiated by a number of pulse trains less than 500.6. Process according to claim 1 , wherein each pulse of a pulse train has a duration less than the duration ΔT between two consecutive pulses of the pulse train.7. ...

DEVICE AND METHOD FOR PROCESSING A WORKPIECE ALONG A PREDETERMINED PROCESSING LINE USING A PULSED POLYCHROMATIC LASER BEAM AND A FILTER

Devices and methods for processing a workpiece along a predetermined processing line are provided. The device includes: a pulsed, polychromatic laser beam generator; an optical arrangement; and a moving device. The laser beam generator generates a laser beam along a beam direction. The optical arrangement generates a focal line along the beam direction. The optical arrangement has a chromatic aberration for wavelength-dependent focusing of the laser beam and a filter for wavelength-dependent filtering of the laser beam. The moving device generates relative movement between the laser beam and the workpiece along the predetermined processing line. 1. A device for processing a workpiece along a predetermined processing line , comprising:a pulsed, polychromatic laser beam generator configured to generate a laser beam along a beam direction;an optical arrangement that generates a focal line along the beam direction, the optical arrangement having chromatic aberration for wavelength-dependent focusing of the laser beam and a filter for wavelength-dependent filtering of the laser beam; anda moving device configured to generate relative movement between the laser beam and the workpiece along the predetermined processing line.2. The device of claim 1 , wherein the laser beam generator comprises a supercontinuum fiber laser.3. The device of claim 1 , wherein the laser beam generator comprises a spectral broadener.4. The device of claim 1 , wherein the laser beam generator comprises a chirped pulse amplifier.5. The device of claim 1 , wherein the laser beam generator is configured to provide the laser beam with an attribute selected from a group consisting of: an average laser power of 5 to 120 watts claim 1 , a pulse duration of less than 1 ns claim 1 , a burst mode of 12 to 48 ns claim 1 , a wavelength range of 350 nm to 2400 nm claim 1 , and any combinations thereof.6. The device of claim 1 , wherein the optical arrangement comprises a convex lens made of quartz glass.7. ...

APPARATUSES AND METHODS FOR SYNCHRONOUS MULTI-LASER PROCESSING OF TRANSPARENT WORKPIECES

A method for laser processing a transparent workpiece includes focusing a pulsed laser beam output by a pulsed laser beam source into a pulsed laser beam focal line directed into the transparent workpiece, thereby forming a pulsed laser beam spot on the transparent workpiece and producing a defect within the transparent workpiece, directing an infrared laser beam output onto the transparent workpiece to form an annular infrared beam spot that circumscribes the pulsed laser beam spot at the imaging surface and heats the transparent workpiece. Further, the method includes translating the transparent workpiece and the pulsed laser beam focal line relative to each other along a separation path and translating the transparent workpiece and the annular infrared beam spot relative to each other along the separation path synchronous with the translation of the transparent workpiece and the pulsed laser beam focal line relative to each other. 1. A method for laser processing a transparent workpiece , the method comprising: the pulsed laser beam focal line generates an induced absorption within the transparent workpiece; and', 'the induced absorption produces a defect along the pulsed laser beam focal line within the transparent workpiece;, 'focusing a pulsed laser beam output by a pulsed laser beam source into a pulsed laser beam focal line oriented along a beam propagation direction and directed into the transparent workpiece, thereby forming a pulsed laser beam spot on an imaging surface of the transparent workpiece, wherein the infrared beam spot is spaced a spacing distance from the pulsed laser beam spot at the imaging surface; and', 'the infrared laser beam heats the transparent workpiece;, 'directing an infrared laser beam output by an infrared beam source onto the transparent workpiece such that the infrared laser beam forms an infrared beam spot on the imaging surface, whereintranslating the transparent workpiece and the pulsed laser beam focal line relative to each ...

CERAMIC-METAL STRUCTURE

A ceramic-metal structure in which a metallic body () is inserted into or disposed above a through hole () of a ceramic substrate () and which includes an annular pad layer () disposed around the through hole; an annular ring member () joined to the pad layer via a first brazing filler portion () and having a coefficient of thermal expansion smaller than that of the metallic body; a second brazing filler portion () intervening between the ring member and metallic body; and brazing filler flow prevention layers () covering an outer surface of the pad layer so as to expose a central region () of the outer surface of the pad layer facing the first brazing filler portion. The first brazing filler portion joins the central region and the ring member without projecting to a radially inner or outer side of the flow prevention layers. 1. A ceramic-metal structure in which a pipe-shaped or rod-shaped metallic body is inserted into a through hole extending through a ceramic substrate from a surface of the ceramic substrate in a thickness direction thereof or is coaxially disposed just above the through hole ,the ceramic-metal structure comprising:an annular pad layer made of a metal and disposed on the surface of the ceramic substrate to be located around the through hole;an annular ring member joined to the pad layer via a first brazing filler portion and having a coefficient of thermal expansion smaller than that of the metallic body;a second brazing filler portion intervening between the ring member and the metallic body and joining the ring member and the metallic body together; anda brazing filler flow prevention layer which covers an outer surface of the pad layer in such a manner as to expose a central region of an upper surface of the outer surface of the pad layer, the upper surface facing the first brazing filler portion,wherein the first brazing filler portion joins the central region and the ring member together without projecting to a radially inner side and a ...

Method and apparatus for spiral cutting a glass tube using filamentation by burst ultrafast laser pulses

A method of producing a spiral cut transparent tube using laser machining includes using an ultrafast laser beam comprising a burst of laser pulses and focusing the laser beam on the transparent tube to enable relative movement between the laser beam and the transparent tube by moving the laser beam, the glass tube or both the laser beam and the glass tube. A beam waist is formed external to the surface of the transparent tube wherein the laser pulses and sufficient energy density is maintained within the transparent tube to form a continuous laser filament therethrough without causing optical breakdown. The method and delivery system makes a spiral cut in the transparent tube.

High Temperature Capable And Thermal Shock Resistant Brazed Article

A brazed article comprising a ceramic component, a metallizing layer comprising tungsten and yttrium oxide disposed against a surface of the ceramic component, and a bonding layer disposed between the metallizing layer and a metal component wherein said bonding layer comprises a nickel-rich portion proximal to the ceramic component and a gold-rich portion interfacing against the metal component. 1. A brazed article comprising:a ceramic component comprising alumina;a metallizing layer comprising tungsten and yttrium oxide disposed against a surface of the ceramic component; anda bonding layer disposed between the metallizing layer and a metal component;wherein said bonding layer comprises a nickel-rich portion and a gold-rich portion, said gold-rich portion interfacing against the metal component; and wherein a cross-sectional area of a gold-rich portion is between 10% and 95% of the total cross-sectional area of the bonding layer.2. The brazed article as claimed in claim 1 , wherein at least 80% of the cross-sectional surface area of the nickel-rich portion is at least 10 μm from a surface of the metal component.3. The brazed article according to claim 1 , wherein the gold-rich portion is concentrated at a region of the bonding layer proximal to the metal component in greater amounts relative to a region of the bonding layer distal to the metal component.4. The brazed article according to claim 1 , wherein the metal component comprises nickel.5. The brazed article according to claim 1 , wherein the bonding layer comprises a gold-rich layer extending between the metal component and the nickel-rich portion claim 1 , said gold-rich layer having a thickness of between 5.0 microns and 35.0 microns.6. The brazed article according to claim 1 , wherein the interface between the metal component and the gold-rich portion comprises an interpenetrating region.7. The brazed article according to claim 1 , wherein the ceramic component is substantially free of glass forming ...

METHOD AND APPARATUS FOR FORMING HOLES IN BRITTLE MATERIALS ASSISTED BY STRESS REDUCTION THROUGH HEATING

A method of making a brittle substrate comprising the steps of: (i) heating at least a portion of the substrate at least to the depth d to a temperature Tp that is above 500° C., but below 1500° C., to form a heated area of the substrate; and (ii) irradiating at least a portion of the heated area of the brittle substrate with a laser beam emitted from an IR laser to form at least one hole in the brittle substrate. 1. A method of making a brittle substrate having at least one hole with a depth d (μm) , the method comprising the steps of:(i) heating at least a portion of the substrate at least to the depth d to a temperature Tp that is above 500° C. and below 1500° C., to form a heated area of the substrate; and(ii) irradiating at least a portion of the heated area of the brittle substrate with a laser beam emitted from an IR laser to form at least one hole in the brittle substrate.2. The method of claim 1 , wherein said brittle substrate is a glass claim 1 , glass-ceramic or a ceramic substrate.3. The method of claim 1 , further comprising the step of supporting the heated substrate while the heated substrate and the laser beam move relative to one another.4. The method of claim 1 , wherein 500° C. Подробнее

BRAZING MATERIAL, BONDED BODY, CERAMIC CIRCUIT BOARD, AND METHOD FOR MANUFACTURING BONDED BODY

According to one embodiment, when a DSC curve is measured using a differential scanning calorimeter (DSC) for a brazing material for bonding a ceramic substrate and a metal plate, the brazing material has an endothermic peak within a range of not less than 550° C. and not more than 700° C. in a heating process. The brazing material favorably includes Ag, Cu, and Ti. The brazing material favorably has not less than two of the endothermic peaks within a range of not less than 550° C. and not more than 650° C. in the heating process. 1. A brazing material for bonding a ceramic substrate and a metal plate ,the brazing material having an endothermic peak within a range of not less than 550° C. and not more than 700° C. in a heating process when a DSC curve is measured using a differential scanning calorimeter (DSC).2. The material according to claim 1 , whereinthe brazing material includes Ag, Cu, and Ti.3. The material according to claim 1 , whereinthe brazing material has not less than two of the endothermic peaks within a range of not less than 550° C. and not more than 650° C. in the heating process.4. The material according to claim 1 , whereinthe endothermic peak at not less than 550° C. and not more than 650° C. in the heating process is larger than an endothermic peak at not less than 700° C. in the heating process.5. The material according to claim 1 , whereinthe brazing material has an endothermic peak within a range of not less than 450° C. and not more than 520° C. in the heating process.6. The material according to claim 1 , wherein{'sub': '2', 'the brazing material includes not less than 20 mass % and not more than 60 mass % of Ag, not less than 15 mass % and not more than 40 mass % of Cu, not less than 1 mass % and not more than 15 mass % of one or two of Ti or TiH, and not less than 1 mass % and not more than 50 mass % of one or two of Sn or In.'}7. The material according to claim 1 , whereinthe brazing material includes carbon.8. The material according ...

METHODS OF SURFACE FUNCTIONALIZATION OF ZIRCONIA-TOUGHENED ALUMINA WITH SILICON NITRIDE

Disclosed herein are methods for functionalizing the surface of a biomedical implant. The biomedical implant may be a zirconia-toughened alumina implant surface functionalized with silicon nitride powder for promoting osteogenesis. 1. A method of functionalizing the surface of a biomedical implant comprising:providing the biomedical implant;directing a laser to a surface of the biomedical implant, wherein the laser produces a grid of equidistant, patterned wells; and{'b': 5', '10, 'filling the grid of equidistant, patterned wells with a powder mixture comprising a bioglass and silicon nitride, wherein the silicon nitride is present in the powder mixture at about mol. % to about mol. %.'}2. The method of claim 1 , wherein the biomedical implant comprises zirconia-toughened alumina.3. The method of claim 1 , wherein the silicon nitride is α-SiN.4. The method of claim 1 , wherein the patterned wells comprise a two dimensional feature extended into the surface of the implant.5. The method of claim 4 , wherein the patterned wells are each about 0.2 mmin cross-sectional area with an interspace of about 1.0 mm.6. The method of claim 1 , wherein the patterned wells are in a 4×4 grid.7. The method of claim 1 , wherein the bioglass comprises 45 wt. % SiO claim 1 , 24.5 wt. % CaO claim 1 , 24.5 wt. % Na2O claim 1 , and 6 wt. % PO.8. The method of claim 1 , wherein the powder mixture comprises 5.5 wt. % to about 10.7 wt. % silicon nitride.9. The method of claim 1 , wherein filling the patterned wells comprises:pressing the powder mixture onto the biomedical implant surface; andremoving the excess powder mixture.10. The method of further comprising forming the powder mixture by:homogenizing and melting powder mixtures of the bioglass and silicon nitride in a platinum crucible in nitrogen gas atmosphere;quenching the melted mixture; andcrushing the quenched mixture into fine powder.11. The method of claim 1 , wherein the laser is a Nd:YAG laser having a wavelength of 1064 nm.12. ...

Additive Manufacturing

A method of additive manufacturing is disclosed, comprising using a powder comprising a first particulate component () with a first mean particle diameter, and a second particulate component () with a second mean particle diameter. The first mean particle diameter is at least twice the second mean particle diameter. The particles () of the second component are bonded to the particles () of the first component, and the first and second components comprise different materials. The powder is deposited. 1. An additive manufacturing tool comprising;a first powder holder;a second powder holder; i) the feedstock powder comprises a first particulate component with a first mean particle diameter, and a second particulate component with a second mean particle diameter, wherein the first mean particle diameter is at least twice the second mean particle diameter, and the particles of the second component are bonded to the particles of the first component with a binder material to form a flowable power, and', 'ii) the blender comprises a hinder dispenser for adding the binder material to the powder, and a dryer for drying the powder to form the feedstock powder; and a dispenser, wherein the dispenser is operable to dispense the feedstock powder., 'a blender operable to blend a first powder material from the first powder holder and a second powder material from the second powder holder to form a feedstock powder wherein2. The additive manufacturing tool according to claim 1 , wherein the tool is configured to form feedstock powder as it is required by the dispenser.3. The additive manufacturing tool according to claim 1 , wherein the second powder holder comprises at least one container claim 1 , and the blender is configured to blend material from the first powder holder and one or more selected containers of the second powder holder in variable proportions to form a feedstock powder with selectable proportions of different materials.4. The additive manufacturing tool according ...

Abrasive coating including metal matrix and ceramic particles

A system may include a powder source; a powder delivery device; an energy delivery device; and a computing device. The computing device may be configured to: control the powder source to deliver metal powder to the powder delivery device; control the powder delivery device to deliver the metal powder to a surface of an abrasive coating; and control the energy delivery device to deliver energy to at least one of the abrasive coating or the metal powder to cause the metal powder to be joined to the abrasive coating.

Method for manufacturing ceramic-metal layer assembly, method for manufacturing ceramic circuit board, and metal-board-joined ceramic base material board

Provided is a method for manufacturing a metal-layer-joined ceramic base material board, in which at least one scribe line is formed, on each of the front and back surfaces of a ceramic base material board, along dividing lines for dividing the ceramic base material board into a plurality of ceramic boards, a metal board covering at least a portion of the dividing lines is joined to each of the front and back surface of the ceramic base material board, the metal boards are etched along the dividing lines to form a plurality of metal layers, and the plurality of metal layers are joined to each of the front and back surfaces of the ceramic base material board.

CERAMIC-TO-METAL JOINT FOR IMPLANTABLE PULSE GENERATORS

An implantable pulse generator configured for delivering one or more electrical pulses to a target region within a body of a patient using an implantable neurostimulation lead, the implantable pulse generator comprising a hermetically sealed housing comprising a ceramic portion defining an inner volume configured to receive a charging coil assembly comprising a charging coil wrapped around an optional ferrite core material; an intermediate metal ring; and a case, wherein the intermediate metal ring comprises a first side joined to the ceramic portion by either a braze material or a diffusion bond, wherein the braze material or the diffusion bond is substantially free of nickel, and wherein the intermediate metal ring comprises a second side joined to the case portion. 1. An implantable pulse generator configured for delivering one or more electrical pulses to a target region within a body of a patient , the implantable pulse generator comprising: a) a ceramic portion comprising a ceramic material, the ceramic portion defining a first inner volume;', 'b) a case portion defining a second inner volume;', 'c) an intermediate metal ring positioned between the ceramic portion and the metal case portion, wherein the intermediate metal ring comprises a first side joined to the ceramic portion by either a braze material or a diffusion bond, wherein the braze material or the diffusion bond is substantially free of nickel, and wherein the intermediate metal ring comprises a second side joined to the case portion;', 'd) a header portion configured to electrically couple to the implantable neurostimulation lead, wherein the header portion comprises a feed through assembly that connects the header portion to the case portion, the feed through assembly electrically coupling components of the header portion and implantable neurostimulation lead to circuitry positioned within the second inner volume defined by the case portion; and', 'e) a charging coil assembly comprising a ...

Laser defect removal apparatus and window defect removal method

A window defect removal method includes inspecting a plurality of windows to select a defective window among the windows, providing a laser beam generator on the defective window, and irradiating a scratch of the defective window with a laser beam to remove the scratch. The laser beam generator generates the laser beam in a wavelength range from about 780 nm to about 100,000 nm.

SCRIBING THIN CERAMIC MATERIALS USING BEAM FOCAL LINE

Embodiments of a method of scribing a ceramic material are provided. In the method, a ceramic material having a thickness of 500 μm or less between a first outer surface and a second outer surface is provided. The second outer surface is opposite the first outer surface. A beam focal line is directed at the ceramic material, and the beam focal line has a length over which its intensity is greater than a damage threshold of the ceramic material. The length is longer than the thickness of the ceramic material. Further, a damage track defining at least a first section of the ceramic material and a second section of the ceramic material is created by moving the beam focal line relative to the ceramic material. Also provided are embodiments of a laser scribed component and embodiments of a laser scribed ceramic substrate. 110-. (canceled)11. A laser scribed ceramic component , comprising:a ceramic material having a thickness of 500 μm or less between a first outer surface and a second outer surface; anda scribed edge having at a plurality of ablated regions extending from the first outer surface into the thickness of the ceramic material, each ablated region spaced from 2 μm to 50 μm apart from an adjacent ablated region;wherein each of the plurality of ablated regions have a first surface roughness and a depth of less than 10 μm; andwherein a remainder of the scribed edge is a cleaved edge having a second surface roughness, the first surface roughness being less than the second surface roughness.12. The laser scribed ceramic component of claim 11 , wherein the ceramic material comprises at least one of alumina claim 11 , zirconia claim 11 , titania claim 11 , or silica.13. The laser scribed ceramic component of claim 11 , wherein the ceramic material has a thickness of from 10 μm to 100 μm.14. The laser scribed ceramic component of claim 11 , having an edge strength of at least 620 MPa.15. The laser scribed ceramic component of claim 11 , having a break resistance of ...

Apparatuses, Systems and Methods for Three-Dimensional Printing

The present disclosure provides three-dimensional (3D) objects, 3D printing processes, as well as methods, apparatuses and systems for the production of a 3D object. Methods, apparatuses and systems of the present disclosure may reduce or eliminate the need for auxiliary supports. The present disclosure provides three dimensional (3D) objects printed utilizing the printing processes, methods, apparatuses and systems described herein.

INDIRECT LASER BRAZING OF SIC/SIC CMCS FOR MANUFACTURING AND REPAIR

A method of connecting two CMC substrates that includes providing two substrates; placing one substrate approximate to the other substrate, such that at least a portion of the two substrates overlap and define a brazing area; placing a brazing material approximate the brazing area; defining a primary raster pattern that encompasses the brazing area and a portion of the two substrates outside the brazing area; defining a secondary raster pattern that encompasses the brazing area; allowing a laser to scan the primary raster pattern to preheat the brazing area to a temperature below the brazing material's melting point; allowing the laser to scan the secondary raster pattern to heat the brazing area to a temperature that is above the brazing material's melting point; melting and allowing the brazing material to flow within the brazing area; and cooling the brazing area to form a brazed joint connecting the two substrates. 1. A method of connecting two ceramic matrix composite (CMC) substrates together during the manufacturing or repair of a CMC component; the method comprising:providing a first CMC substrate having an external surface;providing a second CMC substrate having an external surface;placing the first CMC substrate in close proximity to the second CMC substrate, such that at least a portion of the external surface of the first CMC substrate overlaps at least a portion of the external surface of the second CMC substrate, thereby, defining a brazing area between the first CMC substrate and the second CMC substrate;placing a brazing material adjacent to or within the brazing area; the brazing material having a melting point;defining a primary raster pattern, the primary raster pattern encompassing the brazing area, as well as a portion of the external surface of the first CMC substrate and a portion of the external surface of the second CMC substrate that are outside of the brazing area;defining a secondary raster pattern, the secondary raster pattern ...

Fiber coupler with an optical window

A fiber array unit (FAU) includes a substrate, a plurality of optical fibers, and a lid. The substrate includes: an optical window extending through a layer of non-transparent material, a plurality of grooves, and an alignment protrusion configured to mate with an alignment receiver. The plurality of optical fibers are disposed in the plurality of grooves. The alignment protrusion is configured to align the plurality of optical fibers with an external device when mated with the alignment receiver. The plurality of optical fibers is disposed between the lid and the substrate.

Method and system for additive manufacturing using high energy source and hot-wire

A method and system to manufacture workpieces employing a high intensity energy source to create a puddle and at least one resistively heated wire which is heated to at or near its melting temperature and deposited into the puddle as droplets.

Solder material

A solder material having a good thermal-cycle fatigue property and wettability. The solder material contains not less than 5.0% by mass and not more than 8.0% by mass Sb, not less than 3.0% by mass and not more than 5.0% by mass Ag, and the balance of Sn and incidental impurities. Also, a semiconductor device may include a joining layer between a semiconductor element and a substrate electrode or a lead frame, the joining layer being obtained by melting this solder material.

Method for Cutting a Separator Foil, Separator Foil and Battery Cell

The invention relates to a Method for cutting a separator foil ( 41 ) for an electrode assembly for a battery cell, the separator foil ( 41 ) containing a polymer layer ( 45 ) and a ceramic layer ( 46 ), by dint of a laser beam ( 80 ), the laser beam ( 80 ) being emitted by an ultrashort pulse laser and consisting of ultrashort pulses of light, whereat the laser beam ( 80 ) propagates in a propagation direction (z) and is linear polarized in a vertical direction (x), and whereat the laser beam ( 80 ) is directed onto the separator foil ( 41 ) and is moved along the separator foil ( 41 ) in a cutting direction (s). The invention also relates to a separator foil ( 41 ) cut using the method according to the invention and a battery cell containing at least one such separator foil ( 41 ).

Pressure measuring device and method for producing same

A pressure measuring device includes a ceramic pressure sensor including a ceramic measuring membrane and a sensor mounting configured to secure the pressure sensor such that a membrane region of the measuring membrane surrounded by a membrane edge is contactable with a medium having a pressure to be measured. The sensor mounting includes a titanium or titanium alloy mounting element including an opening through which the membrane region is contactable with the medium. The membrane edge is connected directly with the mounting element by a diffusion weld produced by a diffusion welding method.

Sanitary ware and method of making same

A method of making a sanitary basin. The method has the steps of providing a steel basin body, coating a face of the body with a layer of enamel, and burning macroscopic structures into the enamel coating with a laser beam. The structures are interconnected, for example forming a channel network.

SYSTEMS AND METHODS FOR LASER PROCESSING OF SOLID-STATE BATTERIES

The present disclosure relates to a system for laser processing of a ceramic electrolyte material. The system may include a controller, a laser responsive to the controller for generating a beam, and a beam forming subsystem. The beam forming subsystem controls a parameter of the beam generated by the laser. The beam forming subsystem further controls the beam to provide a laser fluence sufficient to produce densification of the ceramic electrolyte material. 1. A system for laser sintering of a ceramic electrolyte material , the system comprising:a controller;a laser responsive to the controller for generating a beam;a beam forming subsystem for controlling a parameter of the beam generated by the laser; andwherein the beam forming subsystem is further controlled such that the beam provides a laser fluence sufficient to produce densification of the ceramic electrolyte material.2. The system of claim 1 , wherein the laser comprises a continuous wave laser.3. The system of claim 1 , wherein the laser comprises a pulsed laser.4. The system of claim 1 , wherein the parameter of the beam includes at least one of:beam spot size;power level;beam pulse duration;beam pulse repetition rate; orlaser fluence generated.51. The system of claim claim 1 , wherein the beam forming subsystem and the laser are further configured to perform an ablation operation to ablate a portion of material on a surface of the ceramic electrolyte material.6. The system of claim 1 , wherein the beam forming subsystem and the laser are further configured to perform patterning of a surface of the ceramic electrolyte material.7. The system of claim 1 , wherein the beam forming subsystem and the laser are further configured to perform laser trimming of at least a portion of the ceramic electrolyte material.8. A system for laser sintering a superionic conductor film material claim 1 , the system comprising:a controller;a beam forming subsystem responsive to the controller;a continuous wave laser ...

Method for producing a metal-ceramic soldered connection

A method for producing a material-bonding metal-ceramic soldered connection of an uncoated ceramic body to a metal part uses a metallic solder and begins by choosing the metal part with a 50% fraction of an oxygen-affine element; choosing the ceramic body with at least 80% aluminum oxide, zirconium oxide, silicon oxide or an alloy thereof; choosing an inactive, eutectic or near-eutectic solder; and forming a structure with the ceramic body and the metal part with an intermediate space between the their opposing surfaces. The solder is introduced into the intermediate space or the vicinity thereof. The structure is heated in a vacuum at a soldering temperature (T) greater than the liquidus temperature (TL) of the solder for a soldering period. The connection is applied between a ceramic bushing and a high-temperature sensor.

LASER TEXTURING OF CERAMIC-CONTAINING ARTICLES

A laser texturing process modifies the surface of a semiconductor wafer-handling device so that flatness is maintained, but controlled roughness is imparted to prevent unwanted wafer sticking. The laser texturing may be from a thermal laser, a cold ablation laser, or either laser modified with an inert cover gas. The laser etches or burns away a portion or fraction of a flat surface, thereby reducing the area of contact to the semiconductor wafer and thereby reducing friction and sticking. The etched or burned-away portion is thus at a reduced, relieved or lower elevation than the unaffected portion. The laser texturing may take the form of a plurality of channels cut into the surface, or a plurality of holes. Laser machining can yield a semiconductor wafer handling device having finer detail than can be produced by other shaping techniques, with feature sizes on the order of 50 microns being achievable. 131-. (canceled)32. An extremely flat , machined article of controlled roughness configured as a component for handling semiconductor wafers , comprising:(a) a chuck having a support surface;(b) wherein said support surface features a ceramic-containing material having (i) a first portion at a first elevation, said first portion being optically flat, and (ii) a second portion at a second elevation recessed or relieved with respect to said first elevation, thereby reducing optical contact bonding;(c) wherein said second portion includes at least two sets of parallel grooves or channels that are angled with respect to one another to form a cross-hatched pattern on said support surface; and(d) said second portion exhibiting no visible surface oxidation.33. The article of claim 32 , wherein said parallel grooves or channels are no more than 500 microns in width.34. The article of claim 32 , wherein said parallel grooves or channels are spaced no more than 500 microns apart.35. The article of claim 32 , wherein said second portion of said support surface is made by laser ...

Wear Resistant Parts and Fabrication

A wear resistant part includes a first material including a structure having a surface feature. The first material is capable of maintaining its structure at a temperature from about 1000° C. to about 1500° C. (e.g., upon exposure to the temperature or upon being heated to reach the temperature). The wear resistant part also includes a second material formed into a shape extending partially around the structure of the first material while exposing the surface feature of the first material. The shape of the second material is formed by a matrix infiltration at a temperature from about 1000° C. to about 1500° C.

Laser manufacturing of solder preforms

Methods of making solder preforms are disclosed. A ribbon of raw material is received, and a first annular solder preform is formed by laser cutting the ribbon. The edges of the first annular solder preform can then be cleaned. The cutout section removed from the middle of the first annular solder preform can then be laser cut to form a second annular solder preform that is smaller than the first annular solder preform.

ROOM TEMPERATURE GLASS-TO-GLASS, GLASS-TO-PLASTIC AND GLASS-TO-CERAMIC/SEMICONDUCTOR BONDING

A process for room temperature substrate bonding employs a first substrate substantially transparent to a laser wavelength is selected. A second substrate for mating at an interface with the first substrate is then selected. A transmissivity change at the interface is created and the first and second substrates are mated at the interface. The first substrate is then irradiated with a laser of the transparency wavelength substantially focused at the interface and a localized high temperature at the interface from energy supplied by the laser is created. The first and second substrates immediately adjacent the interface are softened with diffusion across the interface to fuse the substrates. 1. A process for room temperature substrate bonding comprising:selecting a first substrate of glass substantially transparent to a laser wavelength;selecting a second substrate of plastic for mating at an interface with the first substrate;depositing a blocking heat absorption coating of gold-tin eutectic on at least a portion of a surface of the first or second substrate at the mating interface and the step of creating a localized high temperature at the interface includes creating a plasma from the heat absorption coating and high temperature plasma; and, the step of softening the first and second substrates immediately adjacent the interface with diffusion across the interface includes diffusing the heat absorption coating plasma into the first and second substrates;mating the first and second substrates; andirradiating the first substrate with pulses of predetermined power and pulse width from a laser of the transparency wavelength;wherein the laser pulse energy is selected to be sufficiently high to create a localized high temperature at the interface and soften the first and second substrates immediately adjacent the interface with diffusion across the interface to fuse the substrates.2. A process for room temperature substrate bonding comprising:selecting a first substrate ...

Inert gas-assisted laser machining of ceramic-containing articles

A laser machining apparatus and technique based on cold-ablation, but modified or augmented with an inert assist gas, which minimizes the deleterious surface modifications and mitigates the oxide formation associated with laser machining.

Method of manufacturing semiconductor device and semiconductor device

A first region is formed by injecting a first condition type first dopant into a surface layer portion of an IGBT section of a semiconductor substrate. A second region is formed by injecting a second condition type second dopant into a region of the IGBT section shallower than the first region. An amorphous third region is formed by injecting the first conduction type third dopant into a surface layer portion of a diode section at a concentration higher than that of the second dopant. Thereafter, the IGBT section and the diode section are laser-annealed under conditions in which the third region is partially melted and the first dopant is activated. Subsequently, a surface layer portion which is shallower than the second injection region in the entire region of the IGBT section and the diode section is melted and crystallized by annealing the IGBT section and the diode section.

Laser Method for Making Shaped Ceramic Abrasive Particles, Shaped Ceramic Abrasive Particles, and Abrasive Articles

A method of making shaped ceramic abrasive particles includes cutting a layer of ceramic precursor material using a laser beam and forming shaped ceramic precursor particles. Further thermal processing provides shaped ceramic abrasive particles. Shaped ceramic abrasive particles producible by the methods and abrasive articles containing them are also disclosed.

Method of processing single-crystal substrate

A method of dividing a single-crystal substrate along a plurality of preset division lines, includes a shield tunnel forming step of applying a pulsed laser beam having such a wavelength that permeates through the substrate along the division lines to form shield tunnels, each including a fine hole and an amorphous region shielding the fine hole, a protective member adhering step of adhering a protective member to the substrate before or after the shield tunnel forming step, and a grinding step of holding the protective member on the substrate, to which the shield tunnel forming step and the protective member adhering step are performed, on a chuck table of a grinding apparatus, grinding a reverse surface of the substrate to bring the substrate to a predetermined thickness, and dividing the substrate along the division lines along which the shield tunnels have been formed.

Method for producing a hermetically sealed casing intended for encapsulating an implantable device, and corresponding casing

Method for producing a hermetically sealed casing, comprising the following steps: a) supplying a ceramic substrate ( 20 ), b) supplying a metal surround ( 21 ) and placing it facing the said substrate ( 20 ), c) forming a first hermetically sealed joint ( 22 ) at the interface between the said substrate ( 20 ) and the said metal surround ( 21 ), in order to assemble them and form an assembly, d) superposing a cover ( 23 ) on the said assembly, e) forming a second hermetically sealed joint ( 24 ) between an upper face of the metal surround ( 21 ) which is the opposite face to the said interface, and the cover ( 23 ), in order to obtain the said casing, characterized in that, during step c), the first hermetically sealed joint ( 22 ) is formed on a portion of the said interface and in that prior to step c), the method involves an additional step consisting in placing a ceramic surround ( 25 ) on the upper face of the metal surround so as to partially cover the said face of the metal surround, the projected surface of the said ceramic surround in a plane of projection covering the projected surface of the said first joint in this same plane of projection.

Laser joining method, laser-joined component, and laser joining apparatus

A laser joining method includes irradiating a first laser light serving as one of a laser light including a pulse width greater than an ultrashort-pulse laser light and a continuous wave laser light to a region at which a first object and a second object are in contact with or close to each other, and irradiating a second laser light serving as the ultrashort-pulse laser light during the irradiation of the first laser light to a section to which the first laser light is irradiated. An intensity of the second laser light falls within a range so that the first object and the second object are inhibited from being joined to each other in a case where the second laser light is independently irradiated to the region at which the first object and the second object are in contact with or close to each other.

Braze for ceramic and ceramic matrix composite components

The disclosure describes techniques for joining a first part including a ceramic or a CMC and a second part including a ceramic or a CMC using brazing. A technique may include positioning a filler material in a joint region between the first and second parts and a metal or alloy on a bulk surface of the filler material. The metal or alloy may be locally heated to melt the metal or alloy, which may infiltrate the filler material. A constituent of the molten metal or alloy may react with a constituent of the filler material to join the first and second parts. Another technique may include depositing a powder that includes the filler material and the metal or alloy in the joint region. Substantially simultaneously with depositing the powder, the powder may be locally heated. A constituent of the molten metal or alloy may react with a constituent of the filler material to join the first and second parts.

In situ additive manufacturing process sensing and control including post process ndt

A sensor is provided near an additive manufacturing (AM) part during fabrication to provide information about the condition of the additive material during fabrication. Sensor measurements are used for in situ monitoring and control of the AM system. By placing a sensor at this location, information at or near this location may be collected and then analyzed to determine if the AM process is proceeding acceptably, or if real-time modifications to the process should be made to improve the performance of the process. Conditions monitored by the sensor may include the melt pool dimensions, the temperature ahead of and at the melt pool, properties of the powder bed such as temperature and particle size distribution, local powder conditions, prior layer condition, and applied layer condition behind the laser. A control system uses these monitored conditions to adjust and control the ongoing AM fabrication process.

SURFACE MODIFICATION BY LOCALIZED LASER EXPOSURE

The system may include a rotatable stage configured to support a ceramic substrate and an energy emitter positioned adjacent to the ceramic substrate. In some cases, the energy emitter may be configured to transmit an energy beam toward one or more outer faces of the ceramic substrate so as to modify a surface roughness of the one or more outer faces. In some cases, the method may include identifying a target surface roughness based at least in part on a target friction coefficient, and identifying a target surface area of the ceramic substrate, transmitting an energy beam toward the surface of the ceramic substrate via an energy emitter positioned adjacent to the ceramic substrate, and heating the target surface area of the surface of the ceramic substrate until a surface roughness of the target surface area is within a predetermined range of the target surface roughness. 1. A method for modifying a surface of a ceramic substrate , the method comprising:identifying a target surface roughness based at least in part on a target friction coefficient;identifying a target surface area of the ceramic substrate to be modified to the target surface roughness;transmitting an energy beam toward the surface of the ceramic substrate via an energy emitter positioned adjacent to the ceramic substrate; andheating the target surface area of the surface of the ceramic substrate until a surface roughness of the target surface area is within a predetermined range of the target surface roughness.2. The method of claim 1 , further comprising:measuring a friction coefficient of the surface of the ceramic substrate after heating the target surface area;adjusting one or more beam configuration parameters for the energy beam based at least in part on the measured friction coefficient and the target friction coefficient; andtransmitting the energy beam based at least in part on the adjusted one or more beam configuration parameters.3. The method of claim 1 , wherein heating the target ...

Production method of wafer

A production method of a wafer includes a wafer production step in which ultrasonic water is ejected against an end face of an ingot with cleavage layers created therein, thereby severing the wafer from a rest of the ingot to produce the wafer.

System and method for additive manufacturing

A method for forming a component includes providing a first layer of a mixture of first and second powders. The method includes determining the frequency of an alternating magnetic field to induce eddy currents sufficient to bulk heat only one of the first and second powders. The alternating magnetic field is applied at the determined frequency to a portion of the first layer of the mixture using a flux concentrator. Exposure to the magnetic field changes the phase of at least a portion of the first powder to liquid. The liquid portion couples to at least some of the second powder and subsequently solidifies to provide a composite component.

Laser ablation for package fabrication

A method of fabricating a frame to enclose one or more semiconductor dies includes forming one or more features including one or more cavities and one or more through-vias in a substrate by a first laser ablation process, filling the one or more through-vias with a dielectric material, and forming a via-in-via in the dielectric material filled in each of the one or more through-vias by a second laser ablation process. The one or more cavities is configured to enclose one or more semiconductor dies therein. In the first laser ablation process, frequency, pulse width, and pulse energy of a first pulsed laser beam to irradiate the substrate are tuned based on a depth of the one or more features. In the second laser ablation process, frequency, pulse width, and pulse energy of a second pulsed laser beam to irradiate the dielectric material are tuned based on a depth of the via-in-via.

Additive Manufacturing

A method of additive manufacturing is disclosed, comprising using a powder comprising a first particulate component ( 1 ) with a first mean particle diameter, and a second particulate component ( 2 ) with a second mean particle diameter. The first mean particle diameter is at least twice the second mean particle diameter. The particles ( 2 ) of the second component are bonded to the particles ( 1 ) of the first component, and the first and second components comprise different materials. The powder is deposited.

Low Temperature Direct Bonding Of Aluminum Nitride To AlSiC Substrates

Disclosed herein are power electronic modules formed by directly bonding a heat sink to a dielectric substrate using transition liquid phase bonding. 1. A method of manufacturing a power electronic module comprising:selecting a dielectric substrate having an effective thermal conductivity;selecting a heat sink having an effective thermal conductivity;selecting an interlayer material having an effective thermal conductivity; andbonding the dielectric substrate and the heat sink via the interlayer material;wherein the effective thermal conductivity of the interlayer material is at least 69% of each of the effective thermal conductivities of the dielectric substrate and the heat sink.2. The method of claim 1 , wherein the dielectric substrate is AlN.3. The method of claim 1 , wherein the heat sink is AlSiC.4. The method of claim 1 , wherein bonding comprises transient liquid phase bonding.5. The method of claim 1 , wherein the dielectric substrate comprises AlN;wherein the heat sink comprises AlSiC; andwherein the interlayer material is a bonding material comprising a transient liquid phase bonded alloy.6. The method of claim 1 , wherein the interlayer material is an Al—Cu eutectic.7. The method of claim 1 , wherein the dielectric substrate is amorphous AlN.8. The method of further comprising:depositing the dielectric substrate, the heat sink, and the interlayer material into a mold;heating the mold to to a first temperature being a diffusion temperature of the interlayer material; andheating the mold to a second temperature being a melt temperature of the interlayer material;wherein the melt temperature is higher than the diffusion temperature.912-. (canceled)13. The method of claim 8 , wherein the interlayer material comprises about 17 wt % Cu and 81 wt % Al.14. The method of claim 8 , wherein the area of the manufactured power electronic module is from about 50 mm by about 50 mm.15. The method of claim 8 , wherein depositing the interlayer material is prior to ...

Cutting method of a multilayer structure containing a brittle layer

A cutting method of a multilayer structure containing a brittle layer is provided. The cutting method includes: cutting the multilayer structure to form a cut edge; removing a material of the multilayer structure other than the brittle layer along the cut edge, wherein the material of the multilayer structure other than the brittle layer has a width ranging from 1 micron to 2 millimeter; and modifying an edge of the brittle layer remaining after removing the material of the multilayer structure other than the brittle layer by a laser beam.

ELECTROSTATIC CHUCK

An electrostatic chuck includes a ceramic base, a ceramic dielectric layer, an electrostatic electrode, and a ceramic insulating layer. The ceramic dielectric layer is positioned on the ceramic base and is thinner than the ceramic base. The electrostatic electrode is embedded between the ceramic dielectric layer and the ceramic base. The ceramic insulating layer is positioned on the ceramic dielectric layer and is thinner than the ceramic dielectric layer. The ceramic insulating layer has a higher volume resistivity and withstand voltage than the ceramic dielectric layer, and the ceramic dielectric layer has a higher dielectric constant than the ceramic insulating layer. 1. An electrostatic chuck comprising:a ceramic base;a ceramic dielectric layer positioned on the ceramic base and being thinner than the ceramic base;an electrostatic electrode embedded between the ceramic dielectric layer and the ceramic base; anda ceramic insulating layer positioned on the ceramic dielectric layer and being thinner than the ceramic dielectric layer,wherein the ceramic insulating layer has a higher volume resistivity and withstand voltage than the ceramic dielectric layer, andthe ceramic dielectric layer has a higher dielectric constant than the ceramic insulating layer.2. The electrostatic chuck according to claim 1 , wherein the ceramic insulating layer is an aerosol deposition film or a thermally sprayed film.3. The electrostatic chuck according to claim 1 , wherein a material of the ceramic dielectric layer is barium titanate or lead zirconate titanate claim 1 , and a material of the ceramic insulating layer is alumina.4. The electrostatic chuck according to claim 1 , wherein the ceramic insulating layer is disposed to cover an entire surface of the ceramic dielectric layer and includes a plurality of projections supporting a wafer.5. The electrostatic chuck according to claim 1 , wherein the ceramic dielectric layer includes a plurality of projections supporting a wafer claim ...

Bonded body, circuit board, and semiconductor device

A bonded body according to an embodiment includes a substrate, a metal member, and a bonding layer. The bonding layer is provided between the substrate and the metal member. The bonding layer includes a first particle including carbon, a first region including a metal, and a second region including titanium. The second region is provided between the first particle and the first region. A concentration of titanium in the second region is greater than a concentration of titanium in the first region.

Apparatuses, systems and methods for three-dimensional printing

The present disclosure provides three-dimensional (3D) objects, 3D printing processes, as well as methods, apparatuses and systems for the production of a 3D object. Methods, apparatuses and systems of the present disclosure may reduce or eliminate the need for auxiliary supports. The present disclosure provides three dimensional (3D) objects printed utilizing the printing processes, methods, apparatuses and systems described herein.

CERAMIC STRUCTURE

A ceramic structure includes a ceramic base member having a main face; a hole extending from the main face into the ceramic base member; a metal electrode layer embedded in the ceramic base member; and a conductive member embedded in the ceramic base member so as to be electrically connected to the metal electrode layer and form a bottom of the hole. Further, the ceramic structure includes: a first metal member joined to the conductive member by a brazing material and having an average linear expansion coefficient not less than the average linear expansion coefficient of the conductive member; one or a plurality of second metal members having a greater average linear expansion coefficient than the first metal member; and a metal terminal joined to the one or the plurality of second metal members and having a greater average linear expansion coefficient than each second metal member. 1. A ceramic structure comprising:a ceramic base member having a main face, the ceramic base member defining a hole extending from the main face into the ceramic base member;a metal electrode layer embedded in the ceramic base member;a conductive member embedded in the ceramic base member so as to be electrically connected to the metal electrode layer, the conductive member forming a bottom of the hole;a first metal member joined to the conductive member by a brazing material, the first metal member having a first front surface that is opposed to the conductive member and a first back surface that is opposite to the first front surface, and the first metal member having an average linear expansion coefficient not less than an average linear expansion coefficient of the conductive member;one or more second metal members disposed at the first back surface of the first metal member, each of the one or more second metal members having a greater average linear expansion coefficient than the average linear expansion coefficient of the first metal member; anda metal terminal at least partially ...

Systems and methods for laser splitting and device layer transfer

Methods and systems are provided for the split and separation of a layer of desired thickness of crystalline semiconductor material containing optical, photovoltaic, electronic, micro-electro-mechanical system (MEMS), or optoelectronic devices, from a thicker donor wafer using laser irradiation.

WELDING NOZZLE ASSEMBLY AND METHOD OF USE THEREOF

The invention relates to a welding nozzle assembly and method of use thereof. The welding nozzle assembly has a first or upper guide body and a second or lower guide body configured to accurately insert and position the nozzle assembly between two adjacent arms of a V-shaped refractory anchor assembly. The method of using the welding nozzle assembly forms a welding pool dam for attaching the V-shaped refractory anchor assembly to a surface. 1. A welding nozzle assembly , comprising:a generally cylindrical nozzle body having an end surface configured to abut a seating surface of a V-shaped refractory anchor; andan anchor guide assembly, comprising:an upper guide body having an alignment ridge intermediate of guides;a lower guide body in a spaced relation to said upper guide body;wherein said anchor guide assembly is configured to accurately insert and position said nozzle assembly between two adjacent arms of said refractory anchor.2. The nozzle assembly of wherein said nozzle body is attached to said anchor guide assembly.3. The nozzle assembly of wherein said nozzle body is seated within a generally U-shaped or generally cylindrical channel in the upper guide body.4. The nozzle assembly of wherein said nozzle body is integrally fabricated with said anchor guide assembly.5. The nozzle assembly of wherein said guides of said upper guide body comprises guide channels or angled guide faces.6. The nozzle assembly of wherein said lower guide body further comprises an upper planar guide face generally parallel with a lower planar guide face of said alignment ridge of said first guide body.7. The nozzle assembly of wherein said lower guide body has a width greater than a width of said alignment ridge of said upper guide body.8. The nozzle assembly of further comprising a center guide body connected to said upper guide body and said lower guide body.9. The nozzle assembly of wherein said center guide body comprising a guide stud or rod and a biasing spring.10. The nozzle ...

Diffusion Bonded Silicon Carbide Having Iridium and Hermetic Silicon Carbide-Iridium Bonds

Disclosed is a hermetic bond for a joint including a first layer of silicon carbide; a second layer of silicon carbide; and a bonding layer positioned between the first layer and the second layer, wherein the bonding layer includes an iridium layer, a first reaction zone positioned between the iridium foil layer and the first layer, and a second reaction zone positioned between the iridium foil layer and the second layer, wherein the first reaction zone and the second reaction zone include iridium silicides.

FEEDTHROUGH

An electric energy production device or an electric energy storage device including a housing and a feed-through. The feed-through includes at least one body which has at least one opening through which the at least one conductor in an electrically insulating material is fed. The insulating material has a layer structure of at least two layers wherein a top layer being arranged towards the outside of the electric energy production device or the electric energy storage device consists of a sealing glass and an inner layer one of comprises and consists of a further glass material or glass ceramic material. The electrically insulated material is bonded with at least one of the base body and the conductor, wherein the sealing glass one of includes and consists of titanium glass. 2. The electric energy production device or electric energy storage device according to claim 1 , wherein the layer structure comprises three layers in the form of a sandwich structure claim 1 , wherein the top layer and a bottom layer consists of the sealing glass.3. The electric energy production device or electric energy storage device according to or claim 1 , wherein the inner layer one of includes or consists of a phosphate glass.5. The electric energy production device or electric energy storage device according to claim 1 , wherein the electric energy production device or the electric energy storage device is at least one of a battery claim 1 , a lithium-ion battery claim 1 , a lithium-ion accumulator and a capacitor.6. The electric energy production device or electric energy storage device according to claim 1 , wherein said conductor is a substantially pin-shaped conductor.7. The electric energy production device or electric energy storage device according to claim 1 , wherein said light metal is one of aluminum claim 1 , magnesium claim 1 , and titanium claim 1 , and said light metal alloy is one of an aluminum alloy claim 1 , a magnesium alloy claim 1 , a titanium alloy claim 1 , and ...

FLUORESCENT LIGHT SOURCE DEVICE AND PRODUCTION PROCESS OF SAME

The present invention has as its object the provision of a fluorescent light source device capable of stably obtaining high luminous efficiency and a production process of the same. 120.-. (canceled)21. A fluorescent light source device comprising a fluorescent plate which has a fluorescent light-emitting layer formed of a polycrystalline material and in which a periodic structure body is formed on an excitation light incident side of the fluorescent light-emitting layer , whereinthe fluorescent plate has a thermal diffusion layer which is directly bonded to a front surface of the fluorescent light-emitting layer on the excitation light incident side and has a thermal conductivity larger than that of the fluorescent light-emitting layer, and a high thermal conductive layer provided on a back surface of the fluorescent light-emitting layer opposite to the excitation light incident side,the high thermal conductive layer is formed of a light reflection layer and a bonding layer made of a metal,the fluorescent plate is provided so as to cover a part of a surface of a heat dissipation substrate disposed on a side of the high thermal conductive layer,{'sub': 2', '3, 'sup': '−6', 'a material for forming the fluorescent light-emitting layer and a material for forming the thermal diffusion layer contain AlO, and a difference in coefficient of linear thermal expansion between the material for forming the fluorescent light-emitting layer and the material for forming the thermal diffusion layer is not more than 1×10/K, and'}{'sub': 2', '3, 'the fluorescent light-emitting layer has an exposed area ratio of AlOof not less than 50% in a bonding surface with the thermal diffusion layer.'}22. The fluorescent light source device according to claim 21 , wherein a surface roughness of each surface of the fluorescent light-emitting layer and the thermal diffusion layer bonded to each other is not less than 0.01 nm and not more than 1 nm.23. The fluorescent light source device according ...

Apparatuses, systems and methods for three-dimensional printing

The present disclosure provides three-dimensional (3D) objects, 3D printing processes, as well as methods, apparatuses and systems for the production of a 3D object. Methods, apparatuses and systems of the present disclosure may reduce or eliminate the need for auxiliary supports. The present disclosure provides three dimensional (3D) objects printed utilizing the printing processes, methods, apparatuses and systems described herein.

Additive manufacturing with electrostatic compaction

An additive manufacturing system includes a platen, a dispenser apparatus configured to deliver a layer of powder onto the platen or a previously dispensed layer on the platen, a voltage source coupled to the platen and configured to apply a voltage to the platen to create an electrostatic attraction of the powder to the platen sufficient to compact the powder, and an energy source configured to apply sufficient energy to the powder to fuse the powder.

Surface processing in additive manufacturing with laser and gas flow

An apparatus for surface modification includes a support to hold a workpiece, a plasma source to generate a plasma in a localized region that is smaller than the workpiece, and a six-axis robot to manipulate relative positioning of the workpiece and the plasma source. The six-axis robot is coupled to at least one of the support and the plasma source.