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

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Применить Всего найдено 34. Отображено 34.
13-12-2012 дата публикации

LAMINAR STRUCTURE AND A PRODUCTION METHOD FOR SAME

Номер: WO2012169836A2
Автор: CHOI, Han Shin, JOO, Hye Sook
Принадлежит:

The present invention relates to a laminar structure which is used in a microporous layer, an electrode layer or the like of a membrane electrode assembly for a fuel cell, and also relates to a production method for same. The laminar structure is a laminar structure which is comprised in the membrane electrode assembly (MEA) of a polymer electrolyte membrane fuel cell (PEMFC), and comprises an electrosprayed layer which is formed by the lamination of electrospraying ink, that has been charged by means of an electric field, through an electrospraying process in which the electrospraying ink is dispersed and sprayed as electrospraying liquid droplets, and, in the electrospraying process, the electrospraying substance transmission mode is set in accordance with the adjustment of electrospraying process variables. When the present invention is employed, an optimal substance transmission route is formed and three dimensional structure control is allowed through the electrospraying process and ...

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Номер записи: 1
09-02-2017 дата публикации

NANO-MICRO MIXED POWDER FOR CONTROLLING SINTERING BEHAVIOR AND MANUFACTURING METHOD THEREOF

Номер: KR1020170015683A
Автор: CHOI, HAN SHIN, LEE, WON SIK, NA, HYUN WOONG, HAN, CHUL WOONG
Принадлежит:

The present invention relates to powder for powder metallurgy, which can promote or delay a sintering speed. The mixed powder has a nano-sized particle physically bonded to the surface of the micro-sized particle. According to the present invention, the mixed powder are arranged with micro-powder having a plurality of concavoconvex units on the surface, and nano-powder on the concave unit formed on the surface of the micro-powder for promoting the sintering or delaying the sintering. COPYRIGHT KIPO 2017 ...

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Номер записи: 2
11-11-2022 дата публикации

자유도가 개선된 무릎 보조 장치

Номер: KR102465509B1
Автор: 김현수, 김준우, 최한신
Принадлежит: 주식회사 피치랩

... 본 발명은 자유도가 개선된 무릎 보조 장치에 관한 것이고, 자유도가 개선된 무릎 보조 장치는 운동 프레임(11)과 한 쌍의 앞쪽 커플러(12a, 12b)로 이루어진 운동 모듈(10); 고정 프레임(21)과 한 쌍의 측면 커플러(22a, 22b)로 이루어진 고정 모듈(20); 및 한 쌍의 앞쪽 커플러(12a, 12b)와 한 쌍의 측면 커플러(22a, 22b)를 서로 연결시켜 운동 모듈(10)이 고정 모듈(20)에 대하여 공간에서 이동 가능하도록 하는 제1, 2 링크(31, 32)를 포함하고, 한 쌍의 앞쪽 커플러(12a, 12b)는 운동 프레임(11)의 앞쪽 부분에 형성되고, 한 쌍의 측면 커플러(22a, 22b)는 고정 프레임(21)의 측면에 형성된다.

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Номер записи: 3
20-10-2022 дата публикации

로봇 충격 안전 장치

Номер: KR102457268B1
Автор: 김준우, 김현수, 최한신
Принадлежит: 주식회사 피치랩

... 본 발명은 하나 이상의 링크로 형성되는 로봇의 외부 골격에 장착된 골격 고정부; 상기 골격 고정부의 외측면을 감싸는 안전 커버부; 및 상기 골격 고정부와 상기 안전 커버부 사이에 배치되되, 상기 안전 커버부로 가해지는 외부로부터의 충격을 감지하여 측정하는 하나 이상의 충격 센싱부를 포함하는 로봇 충격 안전 장치에 관한 것이다.

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Номер записи: 4
08-06-2017 дата публикации

BINDER COMPOSITION FOR POWDER METALLURGY

Номер: KR1020170062631A
Автор: LEE, WON SIK, CHOI, HAN SHIN, JANG, JIN MAN
Принадлежит:

The present invention relates to a binder composition for powder metallurgy, which enables removal (defatting) of binders within a short amount of time at a low temperature, and also prevents occurrence of defects in sintered bodies due to crystallization of specific components in the binder composition. According to the present invention, the binder composition for powder metallurgy comprises: 10-50 volume% of an oil passage-formable component; 10-70 volume% of a wax component; 0-30 volume% of a resin component; and 1-30 volume% of a surfactant component. The oil passage-formable component contains at least one type of aromatic substances and benzoic acid. COPYRIGHT KIPO 2017 ...

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Номер записи: 5
25-03-2016 дата публикации

METAL NANO-PARTICELS HAVING CONTROLLED SINTERING CHARACTERISTIC USING PHASE SEPARATION AND SINTERING METHOD USING THE METAL NANO-PARTICLES

Номер: KR0101606042B1
Автор: 최한신, 한철웅, 나현웅, 이원식
Принадлежит: 한국생산기술연구원

... 본 발명은 분말의 소결과정에서 소결특성을 제어하는데 사용될 수 있는 입자와 이를 이용한 분말의 소결방법에 관한 것으로, 보다 상세하게는 입자 미세화 효과에 따른 소결활성 효과를 제어할 수 있어 이종 소재와의 건전한 소결이 이루어질 수 있도록 하는 금속 나노 입자를 제공하는 것을 목적으로 한다. 제1 금속과 제2 금속을 포함하고, 제2 금속이 제1 금속에 과포화 고용된 상태로 있으며, 제1 금속의 소결공정 중에 제2 금속이 나노 입자로 상분리되어 제1 금속의 소결을 억제하거나 촉진하는 것을 특징으로 하는, 상분리 현상을 통해 소결능이 제어되는 금속 나노 입자.

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Номер записи: 6
14-10-2015 дата публикации

METHOD FOR MANUFACTURING NANO-MICRO MIXED POWDER USING PULSED WIRE EVAPORATION METHOD AND MIXED POWDER MANUFACTURED BY SAID METHOD

Номер: KR1020150115061A
Автор: CHOI, HAN SHIN, LEE, WON SIK, HAN, CHUL WOONG, NA, HYUN WOONG
Принадлежит:

The present invention relates to a method for manufacturing mixed powder. The method of the present invention ensures to obtain mixed powder in a state of being uniformly mixed by simultaneously producing and mixing nanoparticles and microparticles without a need of an additional mixing process. Also, the particle size distribution of the powder to be mixed can be diversely controlled, thereby being applicable for a powder injection molding in particular. Therefore, the present invention provides a method for manufacturing mixed powder, which comprises: a step for supplying current to at least one metal wire, and then exploding the same thereafter, thereby vaporizing some of the metal wire and forming droplets by melting some of the metal wire; and a step for performing solidification of the droplets and condensation of the vaporized metal gas at the same space, and then allowing the microparticles produced by solidification of the droplets and the nanoparticles produced by condensation ...

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Номер записи: 7
19-02-2021 дата публикации

ADDITIVE MANUFACTURING METHOD AND AN APPRATUS FOR ADDITIVE MANUFACTURING

Номер: KR102217229B1
Автор: 최한신, 박진수, 오지원, 나현웅, 김경택
Принадлежит: 한국생산기술연구원

... 본 발명은 압출식 적층제조 공정과 후 치밀화 공정에서 부품 지지기능을 강화한 적층 제조방법에 관한 것이다.본 발명에 따른 적층 제조방법은, (a) 적층 모델에 따라 분말과 바인더를 포함하는 피드스탁을 압출하고 상기 압출된 피드스탁이 형상을 유지할 수 있도록 하는 그래뉼 층을 형성하여 적층함으로써, 그린 성형체와 그래뉼 층을 포함하는 분말 베드를 제조하는 단계; (b) 상기 분말 베드를 소정 온도로 가열하여, 상기 그린 성형체에 포함된 바인더를 탈지하는 단계; 및 (c) 상기 탈지된 그린 성형체를 치밀화하는 단계;를 포함한다.

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Номер записи: 8
08-12-2017 дата публикации

ROCKING BED FOR ENHANCING QUALITY OF SLEEP

Номер: KR1020170135603A
Автор: CHOI, YONG JE, PARK, SHI BAEK, KIM, HYUN SOO, CHOI, HAN SHIN, JUNG, TAE HYUN, NAM, JUN YOUNG
Принадлежит:

The present invention relates to a bed for inducing more comfortable and easier sleep for a user of the bed, and more specifically, to a rocking bed reciprocating in a predetermined direction for a user with insomnia and sleep apnea. The rocking bed of the present invention comprises: a support frame having a power unit and supporting a moving frame; and a moving frame capable of horizontally moving on an upper surface of the support frame, wherein the moving frame reciprocates in a first direction through the power unit. According to the present invention, a user lying on a bed can feel a reciprocating motion in the first direction of the moving frame, thereby relieving insomnia and inducing deep sleep. Further, a structure of the bed is minimized while enabling stable rocking of the bed, so that it is easy to assemble the bed and manufacturing costs are low, and thus the bed is suitable for mass production. COPYRIGHT KIPO 2018 ...

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Номер записи: 9
18-12-2015 дата публикации

INK COMPOSITION CONTAINING NANO-PARTICLES AND BINDER, AND PRODUCING METHOD OF THREE-DIMENSIONAL GOODS USING SAME

Номер: KR1020150141203A
Автор: CHOI, HAN SHIN, LEE, WON SIK, HAN, CHUL WOONG, NA, HYUN WOONG
Принадлежит:

The present invention relates to an ink composition containing nano-particles and a binder, and a method for producing a three-dimensional artwork comprising a metal or a ceramic material by using the ink composition. The ink composition according to the present invention comprises: nano-particles comprising a metal or a ceramic or a precursor which forms nano-particles; a binder; and a solvent. COPYRIGHT KIPO 2016 (S10) Laminating micropowder (S20) Printing ink (S30) Manufacturing 3D molded body (S40) Removing grease (S50) Sintering ...

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Номер записи: 10
09-12-2015 дата публикации

BINDER COMPOSITION AND FEEDSTOCK FOR POWDER METALLURGY, AND METHOD OF DEBINDING BINDER COMPOSITION

Номер: KR1020150137172A
Автор: LEE, WON SIK, CHOI, HAN SHIN, LEE, HYEONG JAE, JANG, JIN MAN
Принадлежит:

The present invention relates to a feedstock for powder metallurgy and a debinding method using the same and, more specifically, relates to a feedstock, capable of debinding in a short amount of time at low temperatures, thereby specifically being suitable for powder injection molding; and a debinding method using the same. According to the present invention, the feedstock for powder metallurgy comprises: a metal powder; a ceramic powder, or a mixture thereof; and a binder composition, wherein the binder composition includes an aromatic material, wax, stearic acid, and low density polyethylene. COPYRIGHT KIPO 2016 ...

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Номер записи: 11
23-03-2016 дата публикации

RUTHENIUM-CHROME ALLOY WITH ENHANCED DENSITY AND SPHERICITY AND MANUFACTURING METHOD THEREOF

Номер: KR1020160031853A
Автор: LIM, SUNG CHUL, KWON, HYOUK CHON, CHO, HAN SHIN, HO, JONG HWAN, BAEK, JONG JIN
Принадлежит:

The present invention relates to a ruthenium-chrome alloy with enhanced density and sphericity and a manufacturing method thereof and, more specifically, provides a manufacturing method of ruthenium-chrome alloy powder using RF plasma, comprising: a step of providing bulk alloy including 10-40 atom% of ruthenium and 60-90 atom% of chrome; a step of pulverizing the ruthenium-chrome bulk alloy into powder with an average particle size of 1-20 μm, and producing the pulverized ruthenium-chrome alloy powder into alloy powder with high purity and sphericity through an RF plasma process. According to the present invention, since the inner porosity is very low, an operational effect of obtaining alloy powder with high density and high purity is expected. In addition, an operational effect of producing high-quality alloy powder with very high sphericity is expected by adjusting an amount of energy input, adjusting an amount of raw material alloy powder supply, and adjusting a particle size distribution ...

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Номер записи: 12
14-10-2015 дата публикации

METAL POWDER WITH EXCELLENT FLUIDITY AND MANUFACTURING METHOD THEREOF

Номер: KR1020150115062A
Автор: CHOI, HAN SHIN, LEE, WON SIK, HAN, CHUL WOONG, NA, HYUN WOONG
Принадлежит:

The present invention relates to metal powder with excellent fluidity and a manufacturing method thereof and, more specifically, to metal powder with excellent fluidity, which comprises: micro-particles having an irregular surface configuration and comprised of a first metal; and mixed-phase particles including a plurality of nanoparticles comprised of a second metal attached to a surface of the microparticle through a mechanical hybrid process. COPYRIGHT KIPO 2016 (AA) Micro-particle (BB) Nano-particle ...

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Номер записи: 13
01-06-2017 дата публикации

POWDER METALLURGY BINDER COMPOSITION

Номер: WO2017091046A1
Автор: LEE, Won-sik, CHOI, Han-shin, JANG, Jin-man
Принадлежит:

The present invention relates to a powder metallurgy binder composition capable of removing (that is, debinding) a binder at a low temperature within a short time and capable of preventing the generation of sintered body defects by the crystallization of a specific component within the binder composition. According to the present invention, the powder metallurgy binder composition comprises 10-50 vol% of a path formation component, 10-70 vol% of a wax component, 0-30 vol% of a resin component and 1-30 vol% of a surfactant component, wherein the path formation component comprises benzoic acid and one or more types of aromatic materials.

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Номер записи: 14
28-11-2013 дата публикации

HIGHLY FUNCTIONAL COMPOSITE NANOPARTICLES AND METHOD FOR PRODUCING SAME

Номер: WO2013176390A1
Автор: CHO, Han-Shin, JOO, Hye-Sook, HAN, Cheol-Woong
Принадлежит:

The present invention relates to highly functional composite nanoparticles including a support body formed of nanoparticles and first phase nanoparticles which are condensed on the surfaces of the support body particles after being vaporized through a physical vapor deposition process, and to a method for producing same. According to the present invention, a physical vapor deposition process is used instead of a wet process so as to produce eco-friendly composite nanoparticles that do not emit hazardous chemicals while having high economic feasibility and process reproducibility.

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Номер записи: 15
11-04-2017 дата публикации

루테늄 폐 타겟의 재생방법

Номер: KR0101725535B1
Автор: 임성철, 권혁천, 최한신, 장규봉, 이재광
Принадлежит: 한국생산기술연구원

... 본 발명은 루테늄 폐타겟의 재생방법에 관한 것이다. 상기 재생방법은, 루테늄 폐타겟의 표면 조도를 제어하는 단계와; 상기 폐타겟의 표면을 루테늄 분말로 소결하는 단계를 포함하며, 폐타겟으로부터의 원재료 손실을 최소화한 상태에서, 간단한 공정을 통해 결정립 크기가 미세하게 제어되고 고순도를 갖는 루테늄 타겟을 저비용으로 재생하는 것이 가능하다.

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Номер записи: 16
12-08-2016 дата публикации

밀도와 구형도가 향상된 루테늄-크롬 합금 및 그 제조방법

Номер: KR0101647997B1
Автор: 임성철, 권혁천, 최한신, 호종환, 백종진
Принадлежит: 한국생산기술연구원

... 본 발명은 밀도와 구형도가 향상된 루테늄-크롬 합금 및 그 제조방법에 관한 것으로서, 보다 상세하게는 원자% 기준으로 10 ~ 40%의 루테늄과 90 ~ 60%의 크롬으로 구성되는 벌크 합금을 마련하는 단계; 상기 루테늄-크롬의 벌크 합금을 1 ~ 20㎛의 평균입도의 분말이 되도록 분쇄하는 단계; 및 상기 분쇄된 루테늄-크롬 합금 분말을 RF 플라즈마 공정을 통해 고순도 및 구상화된 합금 분말로 제조하는 단계;를 포함하는 RF 플라즈마를 이용한 루테늄-크롬 합금 분말의 제조방법을 제공한다. 이상과 같은 본 발명에 따르면, 내부 기공율이 매우 낮아 밀도가 높은 고순도의 합금분말을 얻을 수 있는 작용효과가 기대된다. 또한, RF 플라즈마 공정 수행시 투입에너지량, 원료 합금분말 공급량, 입도분포 등을 조절함으로써 구형도가 매우 높은 고품질의 합금분말의 제조가 가능한 작용효과가 기대된다.

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Номер записи: 17
10-02-2017 дата публикации

TUNGSTEN CARBIDE-CARBON COMPOSITE PARTICLE, AND METHOD FOR PRODUCING TUNGSTEN CARBIDE-CARBON COMPOSITE PARTICLE AND HOLLOW TUNGSTEN CARBIDE

Номер: KR101704470B1
Автор: CHOI, HAN SHIN, LEE, WON SIK, NA, HYUN WOONG, OH, JI WON
Принадлежит: KOREA INSTITUTE OF INDUSTRIAL TECHNOLOGY

The purpose of the present invention is to provide a tungsten carbide-carbon composite particle which enables synthesis of nano-sized tungsten carbide particles in an easy way, and allows the synthesized tungsten carbide nanoparticles to maintain uniformly dispersed state without coagulation. According to the present invention, the tungsten carbide-carbon composite particle comprises: a carbon-based support; and a plurality of nano-sized tungsten carbides formed on surfaces of the carbon-based support. Carbon constituting the carbon-based support is used in the synthesis of the tungsten carbide. COPYRIGHT KIPO 2017 ...

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Номер записи: 18
15-07-2016 дата публикации

COMPOSITE PARTICLES FOR CATALYST OR CATALYST SUPPORT AND MANUFACTURING METHOD THEREOF

Номер: KR101639724B1
Автор: CHOI, HAN SHIN, LEE, WON SIK, NA, HYUN WOONG
Принадлежит: KOREA INSTITUTE OF INDUSTRIAL TECHNOLOGY

The present invention relates to composite particles which are suitably used for a low temperature fuel cell, a secondary battery, a drug delivering carrier, and the like, while replacing whole or part of platinum having a high price. According to the present invention, the composite particles comprise: a carbon-based support body; a plurality of nanoparticles made of a substance including transition metal formed on the carbon-based support body; and a carbon-based shell formed on the surface of the plurality of nanoparticles. COPYRIGHT KIPO 2016 (AA) Graphite shell (BB) Transition metal particle (CC) Carbon black supporter ...

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Номер записи: 19
13-12-2012 дата публикации

LAMINAR STRUCTURE AND A PRODUCTION METHOD FOR SAME

Номер: WO2012169836A3
Автор: CHOI, Han Shin, JOO, Hye Sook
Принадлежит:

The present invention relates to a laminar structure which is used in a microporous layer, an electrode layer or the like of a membrane electrode assembly for a fuel cell, and also relates to a production method for same. The laminar structure is a laminar structure which is comprised in the membrane electrode assembly (MEA) of a polymer electrolyte membrane fuel cell (PEMFC), and comprises an electrosprayed layer which is formed by the lamination of electrospraying ink, that has been charged by means of an electric field, through an electrospraying process in which the electrospraying ink is dispersed and sprayed as electrospraying liquid droplets, and, in the electrospraying process, the electrospraying substance transmission mode is set in accordance with the adjustment of electrospraying process variables. When the present invention is employed, an optimal substance transmission route is formed and three dimensional structure control is allowed through the electrospraying process and ...

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Номер записи: 20
05-06-2018 дата публикации

금속-금속수소화물 코어-쉘 입자의 제조방법

Номер: KR0101851173B1
Автор: 김규현, 최한신, 한철웅
Принадлежит: 한국생산기술연구원

... 본 발명은 금속 입자을 제조하는 과정에 생성되는 입자의 표면에 금속수소화물로 이루어진 쉘층이 형성될 수 있도록 한 것을 특징으로 하는 코어-쉘 입자의 제조방법에 관한 것이다. 본 발명에 따른 방법은, 금속을 포함하는 모재를 용융시키는 단계와, 용융된 모재를 액적으로 만든 후 냉각시켜 입자로 제조하는 단계를 포함하고, 상기 액적을 수소를 포함하는 분위기 중에 노출시킴으로써, 상기 입자와 수소가 반응하여 상기 입자의 환원 및/또는 상기 입자의 표면에 금속 수소화물층이 형성되도록 하는 것을 특징으로 한다.

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Номер записи: 21
15-04-2016 дата публикации

METHOD OF PRODUCING NANO-MICRO MIXED POWER USING ELECTRIC EXPLOSION OF WIRE AND NANO-MICRO MIXED POWER PRODUCED BY THE SAME

Номер: KR0101612340B1
Автор: 최한신, 이원식, 한철웅, 나현웅
Принадлежит: 한국생산기술연구원

... 본 발명은 나노입자와 마이크로입자의 합성과 혼합이 동시에 이루어져 별도의 혼합공정 없이 균일한 혼합상태의 혼합분말을 얻을 수 있고 또한 혼합되는 분말의 입도 분포도 다양하게 제어될 수 있어, 특히 분말사출성형용으로 적합하게 사용될 수 있는 혼합분말 제조방법에 관한 것이다. 본 발명은, 하나 이상의 금속선재에 전류를 인가하여 폭발시켜, 상기 금속선재의 일부는 기화시키고 일부는 용융시켜 액적을 만드는 단계와, 상기 액적의 고화와, 상기 기화된 금속기체의 응축이 동일한 공간에서 이루어지게 하여, 액적의 고화로 생성된 마이크로입자와 금속기체의 응축으로 생성된 나노입자가 충돌하여, 상기 마이크로입자의 표면에 나노입자가 부착된 상태로 만드는 단계를 포함하는 혼합분말의 제조방법을 제공한다.

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Номер записи: 22
16-05-2024 дата публикации

힘/토크 센서

Номер: KR102666609B1
Автор: 최한신, 김준우, 김현수
Принадлежит: 주식회사 피치랩

... 힘/토크 센서가 제공된다. 힘/토크 센서는, 상단 플랫폼; 하단 플랫폼; 및 상기 상단 플랫폼과 상기 하단 플랫폼 사이에 형성된 다리부를 포함하고, 상기 다리부는, 제1 XY 평면 상에 배치되는 제1 상부 센서 수용부, 제2 상부 센서 수용부 및 제3 상부 센서 수용부와, 제2 XY 평면 상에 배치되는 제1 하부 센서 수용부, 제2 하부 센서 수용부 및 제3 하부 센서 수용부를 포함하고, 상기 제1 상부 센서 수용부, 상기 제2 상부 센서 수용부 및 상기 제3 상부 센서 수용부 각각의 좌우에는, 상기 제1 XY 평면을 따라 연장되는 한 쌍의 상부 힌지가 형성되고, 상기 제1 하부 센서 수용부, 상기 제2 하부 센서 수용부 및 상기 제3 하부 센서 수용부 각각의 상하에는, 상기 제1 XY 평면에 수직한 방향으로 연장되는 한 쌍의 하부 힌지가 형성될 수 있다.

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Номер записи: 23
05-04-2017 дата публикации

METHOD OF ANALYZING DOMAIN STRUCTURE OF DIELECTRIC MATERIAL

Номер: KR101722971B1
Автор: KIM, KYOU HYUN, CHOI, HAN SHIN
Принадлежит: KOREA INSTITUTE OF INDUSTRIAL TECHNOLOGY

The present invention relates to a method of analyzing a voluntary nanopolarization domain of a dielectric material. According to the present invention, the method of analyzing polarization domain of the dielectric material comprises: a step of obtaining an image using a convergent beam electron diffraction (CBED) technology to scan an area of analyzing an object to be analyzed; a step of categorizing a different domain structure via image symmetry analysis; a step of outputting a polarization direction based on a certain categorized domain structure and a mirror surface of a crystal; and a step of visually mapping the polarization direction from a certain crystal surface. COPYRIGHT KIPO 2017 ...

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Номер записи: 24
07-12-2016 дата публикации

METHOD OF REMOVING COPPER FROM COPPER-CONTAINING TIN-BASED SCRAP

Номер: KR101683167B1
Автор: KIM, YONG HWAN, HAN, CHUL WOONG, SON, SEONG HO, LEE, WON SIK, CHOI, HAN SHIN, CHO, GUE SERB, KIM, YOUNG MIN, KIM, TAE BUM
Принадлежит: KOREA INSTITUTE OF INDUSTRIAL TECHNOLOGY

According to the present invention, there is provided a method of removing copper from a copper-containing tin-based scrap, comprising: a step of melting a copper-containing tin-based scrap at a first temperature to obtain a first melt; a step of adding a copper (Cu) removing element to the first melt to obtain a second melt; a step of maintaining the second melt at a second temperature for a first time so that the copper and the copper removing element can bond to each other; and a step of removing copper (Cu) using a separation method with respect to the second melt. COPYRIGHT KIPO 2016 (S100) Step of melting a copper-containing tin-based scrap at a first temperature to obtain a first melt (S200) Step of melting a copper (Cu) removing element to obtain a second melt (S300) Step of maintaining the second melt for a certain time so that the copper and the copper removing element can bond to each other (S400) Step of removing copper (Cu) using various separation methods with respect to the ...

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Номер записи: 25
15-04-2016 дата публикации

INK COMPOSITION COMPRISING NANO-PARTICLES AND BINDER, AND METHOD OF THREE-DIMENSIONAL ARTICLES USING THE INK COMPOSITION

Номер: KR0101612341B1
Автор: 최한신, 이원식, 한철웅, 나현웅
Принадлежит: 한국생산기술연구원

... 본 발명은 나노 입자 및 바인더를 함유한 잉크 조성물과, 이 잉크 조성물을 이용하여 금속이나 세라믹 소재로 이루어진 입체 조형물을 제조하는 방법에 관한 것이다. 본 발명에 따른 잉크 조성물은, 금속 또는 세라믹으로 이루어진 나노 입자 또는 나노 입자를 형성하는 전구체와, 바인더 및 용매를 포함하는 것을 특징으로 한다.

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Номер записи: 26
03-04-2018 дата публикации

METHOD OF MANUFACTURING METAL-METAL HYDRIDE CORE-SHELL PARTICLES

Номер: KR1020180033329A
Автор: KIM, KYOU HYUN, CHOI, HAN SHIN, HAN, CHUL WOONG
Принадлежит:

The present invention relates to a method of manufacturing core-shell particles, through which a shell layer composed of metal hydride is formed on a surface of particles generated in a process of manufacturing metal particles. According to the present invention, the method comprises the following steps of: melting a base material having metal; and cooling the molten base material to be manufactured to be particles after the base material is made to be a liquid drop. As the liquid drop is exposed to an environment containing hydrogen, the particles react to the hydrogen to reduce the particles and/or form a metal hydride layer on a surface of the particles. COPYRIGHT KIPO 2018 ...

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Номер записи: 27
13-12-2012 дата публикации

LAMINAR STRUCTURE AND A PRODUCTION METHOD FOR SAME

Номер: WO2012169836A9
Автор: CHOI, Han Shin, JOO, Hye Sook
Принадлежит:

The present invention relates to a laminar structure which is used in a microporous layer, an electrode layer or the like of a membrane electrode assembly for a fuel cell, and also relates to a production method for same. The laminar structure is a laminar structure which is comprised in the membrane electrode assembly (MEA) of a polymer electrolyte membrane fuel cell (PEMFC), and comprises an electrosprayed layer which is formed by the lamination of electrospraying ink, that has been charged by means of an electric field, through an electrospraying process in which the electrospraying ink is dispersed and sprayed as electrospraying liquid droplets, and, in the electrospraying process, the electrospraying substance transmission mode is set in accordance with the adjustment of electrospraying process variables. When the present invention is employed, an optimal substance transmission route is formed and three dimensional structure control is allowed through the electrospraying process and ...

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Номер записи: 28
16-11-2017 дата публикации

분말야금용 바인더 조성물

Номер: KR0101788139B1
Автор: 이원식, 최한신, 장진만
Принадлежит: 한국생산기술연구원

... 본 발명은 저온에서 짧은 시간 내에 바인더의 제거(즉, 탈지)가 가능하며, 바인더 조성물 내의 특정 성분의 결정화에 의한 소결체의 결함 발생을 방지할 수 있는, 분말야금용 바인더 조성물에 관한 것이다. 본 발명에 따른 분말야금용 바인더 조성물은, 유로 형성 성분 10~50 부피%, 왁스 성분 10~70 부피%, 수지 성분 0~30 부피%, 계면 활성제 성분 1~30 부피%를 포함하고, 상기 유로 형성 성분은 벤조산과 방향족 물질 1종 이상을 포함하는 것을 특징으로 한다.

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Номер записи: 29
13-03-2017 дата публикации

METHOD OF REGENERATING RUTHENIUM WASTE TARGET

Номер: KR1020170028146A
Автор: LIM, SUNG CHUL, KWON, HYOUK CHON, CHOI, HAN SHIN, JANG, KYU BONG, LEE, JAE KWANG
Принадлежит:

The present invention relates to a method of regenerating a ruthenium waste target. The method comprises: a step of controlling surface roughness of the ruthenium waste target; and a step of sintering a surface of the waste target using ruthenium powder. A size of fine grain is precisely controlled through a simple process and the high purity ruthenium target is able to be regenerated at low costs while minimizing loss of raw materials from the waste target. COPYRIGHT KIPO 2017 (AA) Physically and chemically processed Ru waste target (B1,B2,B3) Ru waste target (CC) Stack micro (DC, RF-plasma) and nano Ru powders (DD) Refurbishing Ru target manufacture and analysis (EE) Refurbishing target ...

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Номер записи: 30
18-03-2016 дата публикации

METAL POWDER HAVIG GOOD FLUIDITY AND METHOD FOR PRODUCING THE SAME

Номер: KR0101604251B1
Автор: 최한신, 이원식, 한철웅, 나현웅
Принадлежит: 한국생산기술연구원

... 본 발명은 유동성이 우수한 금속분말과 이의 제조방법에 관한 것으로, 보다 구체적으로는 불규칙한 표면 형상을 가지며 제1 금속으로 이루어지는 마이크로입자와, 기계적 혼합 공정을 통해 상기 마이크로입자의 표면에 부착된 제2 금속으로 이루어지는 다수의 나노입자를 구비한 혼상입자를 포함하는, 유동성이 우수한 금속분말.

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Номер записи: 31
16-12-2015 дата публикации

METAL NANOPARTICELS HAVING SINTERING CAPACITY CONTROLLED BY PHASE SEPARATION AND SINTERING METHOD USING SAME

Номер: KR1020150140473A
Автор: CHOI, HAN SHIN, HAN, CHUL WOONG, NA, HYUN WOONG, LEE, WON SIK
Принадлежит:

The present invention relates to particles used in controlling sintering characteristics in a sintering process of powder, and to a powder sintering method using the same. More specifically, the purpose of the present invention provides metal nanoparticles which can soundly be sintered together with a different type of material as a sintering activating effect caused by a particle refining effect can be controlled. The metal nanoparticles having a sintering capacity controlled by a phase separation phenomenon comprises: a first metal; and a second metal, wherein the second metal is in the first metal in a supersaturated solid solution state, and the sintering of the first metal is inhibited or facilitated by the phase separation of the second metal into nanoparticles in the sintering process of the first metal. COPYRIGHT KIPO 2016 ...

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Номер записи: 32
28-04-2017 дата публикации

소결거동을 제어하는 나노-마이크로 혼합 분말 및 그 제조방법

Номер: KR0101730851B1
Автор: 최한신, 이원식, 나현웅, 한철웅
Принадлежит: 한국생산기술연구원

... 본 발명은 마이크로 크기의 입자의 표면에 나노 크기의 입자가 물리적으로 결합된 형태의 혼합 분말로서, 소결속도를 촉진하거나 지연할 수 있는 분말야금용 분말에 관한 것이다. 본 발명에 따른 혼합 분말은, 표면에 다수의 요철부가 형성된 마이크로 분말과, 상기 마이크로 분말의 표면에 형성된 요부에 소결을 촉진시키거나 소결을 지연시키는 나노 분말이 배치된 것을 특징으로 한다.

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Номер записи: 33
11-05-2016 дата публикации

METHOD TO COLLECT TIN FROM TIN CONTAINING DROSS USING DRY REDUCTION PROCESS

Номер: KR101619340B1
Автор: KIM, YONG HWAN, HAN, CHUL WOONG, SON, SEONG HO, KIM, TAE BUM, LEE, WON SIK, CHOI, HAN SIN
Принадлежит: KOREA INSTITUTE OF INDUSTRIAL TECHNOLOGY

The present invention relates to a method to collect tin from tin containing dross using a dry reduction process and, more specifically, relates to a method of collecting tin from tin containing dross using a dry reduction process which reduces tin containing dross generated during melting, dry smelting, or an electrolysis process after mixing it with carbon series substances. COPYRIGHT KIPO 2016 (AA) Start (BB) A step of mixing tin containing dross with carbon series substances and reducing (CC) End ...

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Номер записи: 34