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Небесная энциклопедия

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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Мониторинг СМИ

Мониторинг СМИ и социальных сетей. Сканирование интернета, новостных сайтов, специализированных контентных площадок на базе мессенджеров. Гибкие настройки фильтров и первоначальных источников.

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Поддерживает ввод нескольких поисковых фраз (по одной на строку). При поиске обеспечивает поддержку морфологии русского и английского языка
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Применить Всего найдено 19. Отображено 19.
02-03-2017 дата публикации

폭발물의 선택적 검출을 위한 펩타이드 센서

Номер: KR0101711600B1
Автор: 임시형, 유연규, 김석찬
Принадлежит: 국민대학교산학협력단

... 본 발명은 폭발물을 선택적으로 검출하기 위한 펩타이드 센서, 그 제조방법, 및 그를 이용한 검출장치에 관한 것이다. 본 발명의 펩타이드 센서는 종래의 폭발물 센서가 고분자로 구성되거나 고체 TNT 또는 고체 DNT에 선택적인 펩타이드를 이용하는 것이 비하여, 본 발명에 따른 펩타이드는 TNT와 DNT 유도체를 표면에 고정화한 후 이에 선택적인 펩타이드 서열을 파지 디스플레이의 방법으로 도출하였다. 이러한 펩타이드는 기존의 물질에 대하여 TNT 또는 DNT에 높은 선택성을 보이므로 표면 플라즈몬 공명 분광기(Surface Plasmon Resonance, SPR), Cantilever, QCM 등의 장치에 적용하여 기체상 또는 액체상에 포함된 폭발물을 검출하는 펩타이드 센서로 이용될 수 있다.

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Номер записи: 1
27-08-2018 дата публикации

초양친매성 표면 제조 방법 및 그를 이용한 오일 분리 장치

Номер: KR0101881639B1
Автор: 임시형, 안준, 수밋 바타왈, 김유라
Принадлежит: 국민대학교산학협력단

... 신속한 수열합성법을 이용하여 Ag-도핑 ZnO 나노로드 표면층을 기재에 형성하는 방법이 제공된다. 이러한 나노로드 표면층은 SS-400 강재와 같은 기재에 양친매성 표면층을 형성하며 장기간의 보관, 열적 안정성, 및 기계적 안정성을 가지며 양친매 특성을 유지한다. 또한 이러한 초양친매성 표면을 가지는 금속을 이용하여 제조된 오일 분리 장치가 제공된다.

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Номер записи: 2
21-03-2019 дата публикации

VENTILATOR FOR PREVENTING OIL ATTACHMENT AND MANUFACTURING METHOD THEREFOR

Номер: WO2019054713A1
Автор: LIM, Si Hyung, LEE, Bok Hyun, BARTHWAL, Sumit
Принадлежит:

The present invention relates to a ventilator for preventing oil attachment and a manufacturing method therefor, whereby an oil attachment prevention layer is formed on the surface of a ventilator, thereby preventing oil from attaching to the surface of the ventilator, and thus preventing dust from accumulating on the ventilator due to the oil, and accordingly, preventing the surface of the ventilator from corroding. To this end, the present invention provides a ventilator for preventing oil attachment, the ventilator comprising: a micro-structure layer which is formed of micro-unit protrusions and recesses, and which is formed on the surface of a metal substrate having a three-dimensional stereoscopic structure; nanopores which are formed on the micro-structure layer; and an oil attachment prevention layer which is formed on the surface of the micro-structure layer, wherein the oil attachment prevention layer is formed from a material containing polydimethylsiloxane, is deposited on the ...

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Номер записи: 3
17-01-2013 дата публикации

FLUX SENSOR AND FLOW METER USING SAME

Номер: WO2013009152A1
Автор: PARK, Chang Kwon, LIM, Si Hyung
Принадлежит:

The present invention relates to an hot wire flux sensor and a flow meter using same, and more specifically, to a flux sensor and a flow meter using same in which the hot wire flux sensor is manufactured using micro-electro mechanical systems (MEMS) technology, the flux sensor enabling the temperatures of the fluid flowing through a conduit pipe to be measured at the entrance side and at the exit side, and, simultaneously, facilitating the position of the sensor or a heater to be varied on the basis of the volume or the type of the fluid. The flow meter comprises: a rectangular panel; at least three heating patterns, each of which is formed on the end part at one side of the panel in the lengthwise direction, and which are arranged side-by-side along the widthwise direction of the panel; electric line patterns, which extend from both ends of each of the heating patterns to the end part at the other side of the panel; and electrode pads, which are formed on a substrate and which are connected ...

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Номер записи: 4
16-11-2018 дата публикации

COLUMN FOR MICRO GAS CHROMATOGRAPHY

Номер: KR1020180123392A
Автор: LIM, SI HYUNG, LEE, JANG HYEON, KANG, HYUN SUNG
Принадлежит:

The present invention relates to a separation column used for micro gas chromatography having excellent resolution. More particularly, the present invention relates to a serpentine microchannel formed on a substrate; and bumps formed on a surface of the microchannel. The bumps are alternately arranged on the surface of the microchannel to face each other. The pressure drop is sufficiently generated in the separation column for micro gas chromatography. The interaction between the mixed gas to be analyzed and the stationary phase in the column is sufficiently generated so that each component in the mixed gas is detected after being efficiently separated and discharged from the column. COPYRIGHT KIPO 2018 (AA) Pressure drop: 106.7 Pa (BB) Pressure drop: 202.2 Pa (CC) Pressure drop: 598.7 Pa ...

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Номер записи: 5
04-12-2018 дата публикации

APPARATUS FOR MEASURING FRICTION

Номер: KR1020180128799A
Автор: LIM, SI HYUNG, LEE, BOK HYUN
Принадлежит:

The present invention relates to an apparatus for measuring friction and, more specifically, relates to an apparatus for measuring friction, which comprises a rotating module having cylinder-shaped ice to realize rectilinear movement on the ice and measure friction between the ice and a sample for measurement. COPYRIGHT KIPO 2019 ...

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Номер записи: 6
30-12-2015 дата публикации

METHOD FOR PRODUCING NANOGAP SENSOR USING RESIDUAL STRESS, AND NANOGAP SENSOR PRODUCED THEREBY

Номер: WO2015199455A3
Автор: LIM, Si Hyung
Принадлежит:

The present invention relates to a method for producing a nanogap sensor and a nanogap sensor produced thereby. The method for producing a nanogap sensor according to the present invention can produce a sensor capable of selectively detecting a certain material or a gas such as hydrogen by producing a nanogap, by a low-cost and simple process, using a technique of forming a micro crack on a substrate consisting of a silicon wafer, etc., and then stacking a metal catalyst layer on the nanogap. In particular, in the case of using palladium or an alloy thereof as the metal catalyst layer, it is possible to produce, in large quantities, high-sensitivity hydrogen sensors which respond to various hydrogen concentrations.

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Номер записи: 7
03-05-2016 дата публикации

Method for forming superhydrophilic metallic surface

Номер: KR0101617611B1
Автор: 임시형, 김영수, 수밋바뜨왈
Принадлежит: 국민대학교산학협력단

... 본 발명은 (a) 금속 기재를 산 용액(acidic solution)에 침지시켜 유지시키는 단계; (b) 상기 금속 기재를 열수(hot water)에 침지시켜 유지시키는 단계; 및 (c) 상기 금속 기재 표면을 공기 플라즈마(air plasma)로 처리하는 단계 포함하는 초친수성 금속 표면 형성방법에 대한 것으로서, 본 발명에 의한 초친수성 금속 표면 형성방법은 산 용액을 이용한 에칭 및 열수 처리를 수행함으로써 제조공정이 단순화 및 제조비용의 절감이 가능하며, 대량/대면적 또는 3차원 표면을 가지는 금속 기재 표면을 용이하게 초친수성으로 표면 개질 처리할 수 있으며, 초친수성 처리 효과를 장기간 지속시킬 수 있다. 또한, 본 발명에 의해 표면 처리된 금속 기재는 마이크로 스케일의 미세 요철 구조와 나노 스케일의 미세 기공을 동시에 구비함으로써 접촉각이 10ㅀ 이하인 극친수성 표면을 영구적으로 유지할 수 있어 초친수 특성이 요구되는 구조물을 포함하는 전자 장치나 기계장치는 운송수단 자동차, 항공기, 철도, 선박 또는 가정용/산업용 냉동공조시스템 및 가전제품 등에 유용하게 사용 가능하다.

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Номер записи: 8
28-07-2015 дата публикации

CARBON NANOTUBE FOAM, MANUFACTURING METHOD THEREOF AND MICRO PRE-CONCENTRATOR MODULE USING SAME

Номер: KR101539560B1
Автор: LIM, SI HYUNG, LEE, JANG HYEON
Принадлежит: KOOKMIN UNIVERSITY INDUSTRY ACADEMY COOPERATION FOUNDATION

The present invention relates to a carbon nanotube foam, a manufacturing method thereof and a micro pre-concentrator module using the same and, more specifically, relates to a carbon nanotube foam for improving detection limits of a sensor as an adsorbent, a manufacturing method thereof and a micro pre-concentrator module using the same. The micro pre-concentrator module in accordance with the present invention comprises: a micro pump for absorbing expired gases; a micro pre-concentrator for concentrating the concentration of the expired gases by gas absorption; and a three-way solenoid valve for controlling the direction of absorption or desorption gases. In addition, the present invention is capable of providing a portable micro pre-concentrator module for respiratory gas analysis with excellent concentration performance and pressure drop characteristics by manufacturing a micro pre-concentrator using a carbon nanotube foam having a very wide surface area and high absorption performance ...

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Номер записи: 9
05-12-2018 дата публикации

SKATE BLADE WITH FRICTION REDUCING SURFACE AND SURFACE TREATMENT METHOD THEREOF

Номер: KR1020180129590A
Автор: LIM, SI HYUNG, LEE, BOK HYUN, SUMIT BARTHWAL
Принадлежит:

The present invention relates to a skate blade with a friction reducing surface, wherein a waterproof coating is coated on the skate blade to reduce friction between the skate blade and ice, and a surface treatment method thereof. To this end, according to the present invention, the skate blade with a friction reducing surface comprises the skate blade and a friction reducing layer formed on a surface of the skate blade. The friction reducing layer is made of a material including polymethyl siloxane and is deposited on the surface of the skate blade by physical deposition, and the thickness of the friction reducing layer is 1 to 1,000 nm. When the skate blade having the friction reducing layer formed thereon presses and comes in contact with the ice, the friction generated between the skate blade and the ice is reduced by the friction reducing layer. Moreover, the friction generated between the skate blade and the ice is decreased as the friction reducing layer gets thinner. COPYRIGHT KIPO ...

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Номер записи: 10
16-11-2015 дата публикации

superamphiphobic structure and method of manufacturing the same

Номер: KR0101569460B1
Автор: 임시형, 바스왈 서밋
Принадлежит: 국민대학교 산학협력단

... 본 발명은 초발수/초발유 구조물 및 그의 제조 방법에 관한 것으로서, 더욱 구체적으로는 금속 기재의 표면에 형성된 조면화(roughening) 1차 구조물; 상기 조면화 1차 구조물에 형성된 나노 기공들; 및 상기 조면화 1차 구조물의 표면에 형성된 발수/발유 층을 포함하는 초발수/초발유 구조물 및 그의 제조 방법에 관한 것이다. 본 발명의 초발수/초발유 구조물은 수계 용액과 오일계 용액에 대하여 공히 극히 큰 접촉각 및 낮은 미끄럼각을 보이는 우수한 초발수/초발유 특성을 갖는다. 또한, 본 발명의 초발수/초발유 구조물의 제조 방법은 규모가 크거나 또는 곡면이 있는 구조물도 특별한 제조 장비를 필요로 하지 않고 용이하게 제조 가능하다.

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Номер записи: 11
14-08-2014 дата публикации

WATER AND OIL ULTRA-REPELLENT STRUCTURE AND MANUFACTURING METHOD THEREFOR

Номер: WO2014123376A1
Автор: LIM, Si Hyung, BARTHWAL, Sumit
Принадлежит:

The present invention relates to a water and oil ultra-repellent structure, and a manufacturing method therefor, and more specifically, to a water and oil ultra-repellent structure and a manufacturing method therefor, the structure comprising: a roughening first structure formed on the surface of a metal substrate; nanopores formed at the roughening first structure; and a water and oil repellent layer formed on the surface of the roughening first structure. The water and oil ultra-repellent structure of the present invention shows remarkable water and oil ultra-repellent properties in which an extremely large contact angle and a small slide angle to an aqueous solution and an oily solution are shown. In addition, it is possible to easily manufacture a large or curved structure without special manufacturing equipment by employing the method for manufacturing the water and oil ultra-repellent structure of the present invention.

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Номер записи: 12
13-10-2017 дата публикации

METHOD FOR MANUFACTURING SUPER-AMPHIPHILIC SURFACE AND OIL SEPARATING APPARATUS USING SAME

Номер: KR1020170114213A
Автор: LIM, SI HYUNG, AHN, JOON, BARTHWAL SUMIT, KIM, YU RA
Принадлежит:

Provided is a method of forming a surface layer of an Ag-doped ZnO nanorod on a substrate using a rapid hydrothermal synthesis method. The surface layer of an Ag-doped ZnO nanorod forms an amphiphilic surface layer on the substrate, such as SS-400 steel; has long-term storage properties, thermal stability, and mechanical stability; and maintains amphipathic properties. Additionally, provided is an oil separating apparatus manufactured by using metal having the super-amphiphilic surface. COPYRIGHT KIPO 2017 ...

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Номер записи: 13
21-06-2018 дата публикации

MICROSTRUCTURE, AND ALUMINUM SUBSTRATE HAVING SURFACE WITH NANOPATTERNS DISPOSED ON TOP OF MICROSTRUCTURE

Номер: KR1020180068276A
Автор: LIM, SI HYUNG
Принадлежит:

Provided is a method for forming a microstructure in which irregular microscale plateaus are laminated on an aluminum alloy substrate, producing nanoscale metal oxide structure on top thereof, and forming a superhydrophobic surface by coating the same with hydrophobic polysiloxane. The method includes a step of coating polysiloxane through a simple evaporation method after combination of chemical etching and hot water treatment. After the coating, according to one embodiment of the present invention, the surface may exhibit superhydrophobicity with a water contact angle of 161 degrees and a sliding angle of 4 degrees. COPYRIGHT KIPO 2018 ...

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Номер записи: 14
06-01-2016 дата публикации

METHOD TO FORM SUPER-HYDROPHILIC METALLIC SURFACE

Номер: KR1020160001365A
Автор: LIM, SI HYUNG, KIM, YOUNG SU, SUMIT BARTHWAL
Принадлежит:

The present invention relates to a method of forming a super-hydrophilic metallic surface comprising: (a) a step of immersing a metal base in an acidic solution, and maintaining the metal base; (b) a step of immersing the metal base in hot water, and maintaining the metal base; and (c) a step of processing a surface of the metal base with air plasma. The method to form the super-hydrophilic metallic surface in accordance with the present invention performing an etching, and a hot water process using the acidic solution; thus simplifying a manufacturing process and saving manufacturing costs, performing a surface modification treatment super-hydrophilically with easiness for a surface of the metal substrate having a large amount of surfaces/a large sized surface or a three dimensional surface, and maintaining a super-hydrophilic treatment effect for a long time. According to the present invention, the metal substrate surface-treated has a micro scaled fine uneven structure and nanoscaled ...

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Номер записи: 15
30-12-2015 дата публикации

METHOD FOR PRODUCING NANOGAP SENSOR USING RESIDUAL STRESS, AND NANOGAP SENSOR PRODUCED THEREBY

Номер: WO2015199455A2
Автор: LIM, Si Hyung
Принадлежит:

The present invention relates to a method for producing a nanogap sensor and a nanogap sensor produced thereby. The method for producing a nanogap sensor according to the present invention can produce a sensor capable of selectively detecting a certain material or a gas such as hydrogen by producing a nanogap, by a low-cost and simple process, using a technique of forming a micro crack on a substrate consisting of a silicon wafer, etc., and then stacking a metal catalyst layer on the nanogap. In particular, in the case of using palladium or an alloy thereof as the metal catalyst layer, it is possible to produce, in large quantities, high-sensitivity hydrogen sensors which respond to various hydrogen concentrations.

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Номер записи: 16
13-05-2016 дата публикации

GAS CONCENTRATING APPARATUS HAVING CARBON FOAM AND OPERATING METHOD THEREOF

Номер: KR101620281B1
Автор: LIM, SI HYUNG, LEE, JANG HYEON
Принадлежит: KOOKMIN UNIVERSITY INDUSTRY ACADEMY COOPERATION FOUNDATION

The present invention provides a gas concentrating apparatus and an operating method thereof which reduces a pressure drop during a gas concentrating process; improves concentrating efficiency; and improves desorption efficiency after gas adsorption. The gas concentrating apparatus comprises a gas concentrating module. The gas concentrating module comprises: a device having a chamber to accommodate carbon foam containing a linear carbon material; a gas inlet connected to one side of the chamber; a gas outlet connected to an other side of the chamber; and a heating element arranged on at least one side of the device. A sample gas injection line is connected to the gas inlet of the gas concentrating module. A droplet producing module is connected to the sample gas injection line. COPYRIGHT KIPO 2016 ...

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Номер записи: 17
03-06-2015 дата публикации

METHOD FOR MANUFACTURING HIGH SENSITIVE HYBRID SENSOR CHIP FOR SENSING HEAVY METAL IN WATER AND PORTABLE WATER QUALITY MONITORING APPARATUS USING SAME

Номер: KR101525526B1
Автор: LIM, SI HYUNG, KIM, JEONG HO
Принадлежит: KOOKMIN UNIVERSITY INDUSTRY ACADEMY COOPERATION FOUNDATION

According to a method for manufacturing hybrid water quality sensor chip according to the present invention, a piezoresistive layer, a first electrode layer including a working electrode and a counter electrode, and a second electrode layer including a reference electrode are formed on an silicon wafer substrate using a micro electro mechanical system (MEMS) process to machine-chemically measure heavy metal in water by allowing a microbridge to detect change in resistance of the piezoresistive layer when heavy metal is present and to electrochemically measure heavy metal in water by detecting change in current generated between the working electrode and the counter electrode when heavy metal is present, thereby manufacturing a subminiature water quality sensor chip with high sensitivity and high selectivity. Also, according to the present invention, the portable water quality test apparatus includes: a heavy metal sensor unit including the hybrid water quality sensor chip to measure various ...

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Номер записи: 18
08-11-2016 дата публикации

GAS SENSOR PLATFORM TO DETECT VARIOUS TOXIC CHEMICALS IN REAL TIME AND DISASTER WARNING SYSTEM USING SAME

Номер: KR101674048B1
Автор: LIM, SI HYUNG, NA, KYUNG HWAN, LEE, JANG HYEON
Принадлежит: KOOKMIN UNIVERSITY INDUSTRY ACADEMY COOPERATION FOUNDATION

The present invention relates to a gas sensor platform to detect harmful chemical materials in the air. According to the present invention, a problem of gas detectors for an existing technology which is difficult to construct a social safety network to prepare the exposure of the harmful chemical material with a high price is solved without a connecting function through a network capable of detecting the restricted specific chemical material. Provided are a gas sensor platform and a disaster warning system capable of monitoring and detecting various harmful materials in real time with a short analysis time and capable of rapidly spreading information in the occurrence of an accident by including a connecting function through a network, capable of effectively constructing the disaster warning system to prepare the exposure of the harmful chemical material with a cheap price, and capable of detecting the various harmful chemical materials in real time. The gas sensor platform comprises: a ...

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Номер записи: 19