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公开(公告)号：US20250100050A1
公开(公告)日：2025-03-27
申请号：US18890420
申请日：2024-09-19
Applicant: KOREA INSTITUTE OF INDUSTRIAL TECHNOLOGY
Inventor： Seungmin YANG , Ohyung Kwon , Youngkyu Jeong , Gyeongbae Park
IPC: B22F9/28 , C01B21/072 , C01F7/306 , C01G3/02 , C01G53/04
Abstract: Provided is a method and apparatus for producing inorganic powder using chemical vapor synthesis (CVS), the method and apparatus being capable of increasing a production yield by suppressing side reactions and of increasing continuous process stability by preventing reactor blockage, and the method includes supplying a precursor, supplying a side reaction prevention gas capable of preventing side reactions of the precursor, to the precursor, supplying a reaction gas to the precursor, and forming inorganic powder due to a chemical reaction between the precursor and the reaction gas.
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公开(公告)号：US20250084564A1
公开(公告)日：2025-03-13
申请号：US18956495
申请日：2024-11-22
Applicant: KOREA INSTITUTE OF INDUSTRIAL TECHNOLOGY
Inventor： Wan-Gyu HAHM , Jong-Hyuk BAE , Hyun-Ju OH , Kuk-Hyun JO
Abstract: The present disclosure relates to a method of manufacturing a high-strength sheath-core type synthetic fiber and high-strength sheath-core type synthetic fiber manufactured thereby, the method including forming a fiber by melt-spinning a thermoplastic polymer of a sheath component and a core component through a spinning pack including a sheath-core type bicomponent spinning nozzle; performing a heat treatment by allowing a molten fiber to pass through a heating zone disposed directly below the spinning nozzle during the melt-spinning; cooling the heat-treated fiber; and drawing the cooled fiber, wherein the sheath component includes a resin including the sheath component having elongation viscosity and thermal conductivity lower and specific heat higher than those of a resin included in the core component, and an ultra-fine high-strength synthetic fiber satisfying predetermined strength or higher as compared to a fine diameter and intrinsic viscosity may be provided.
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公开(公告)号：US12186792B2
公开(公告)日：2025-01-07
申请号：US17787580
申请日：2020-05-12
Applicant: KOREA INSTITUTE OF INDUSTRIAL TECHNOLOGY
Inventor： Sang Kon Lee , In Kyu Lee , Sung Yun Lee , Myeong Sik Jeong , Sun Kwang Hwang , Dong Yong Park
Abstract: According to the present disclosure, a hot stamping forming method for forming components having various strength according to parts through cooling control for each position includes: setting a required strength for each product part for a sheet supplied into a multi-point forming mold device to which a plurality of forming modules are coupled; adjusting an arrangement of the plurality of forming modules according to the set required strength; and performing cooling control for each part by controlling an amount of cooling air or mist sprayed to the sheet by the air jet nozzle in order to achieve a required cooling speed for each strength part of the supplied sheet, wherein components having various shapes are formable with respect to the supplied sheet in a single mold.
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公开(公告)号：US20240416419A1
公开(公告)日：2024-12-19
申请号：US18698776
申请日：2022-10-07
Applicant: KOREA INSTITUTE OF INDUSTRIAL TECHNOLOGY
Inventor： Seung Min YANG , Young Kyu JEONG , Ohyung KWON , Kyung Hoon KIM , Gun Hee KIM
Abstract: According to one aspect of the present invention, a heat treatment method for a metal powder is provided. The heat treatment method for a metal powder, according to one embodiment of the present invention, comprises the steps of: preparing a metal powder-anti-sintering agent composite comprising metal powders dispersed and arranged so as to be distanced from each other in an anti-sintering agent; and heat treating the metal powder-anti-sintering agent composite.
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公开(公告)号：US20240157443A1
公开(公告)日：2024-05-16
申请号：US18506437
申请日：2023-11-10
Applicant: KOREA INSTITUTE OF INDUSTRIAL TECHNOLOGY
Inventor： Seungmin YANG , Kyunghoon KIM , Gun-hee KIM , Youngkyu JEONG , Ohyung KWON , Gyeongbae PARK
CPC classification number: B22F9/28 , B22F1/065 , B22F1/142 , B22F9/026 , B22F2301/15 , B22F2998/10 , B22F2999/00
Abstract: The present invention provides a method for producing spherical nickel-based metal powder. According to an embodiment of the present invention, the method for producing spherical nickel-based metal powder includes the steps of: providing a metal precursor, which includes nickel precursor, and a sulfur compound; introducing the metal precursor and the sulfur compound into a reactor; vaporizing the metal precursor and the sulfur compound within the reactor, and producing nickel-based metal powder containing sulfur through a reaction of the metal precursor and the sulfur compound with the reducing gas introduced into the reactor.
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Patent Agency Ranking
6.发明公开公开(公告)号：US20240007049A1
公开(公告)日：2024-01-04
申请号：US18255178
申请日：2021-04-23
Applicant: KOREA INSTITUTE OF INDUSTRIAL TECHNOLOGY
Inventor： Chae Hwan JEONG , Min Joon PARK , Sung Min YOUN , Jin Ho SONG , Dae Han MOON , Tae Wung JEONG , Han Jun KIM
Abstract: Disclosed are a high-power shingled photovoltaic string controllable in length and width and a method for manufacturing a module thereof. The method for manufacturing a high-power shingled photovoltaic module comprises the steps of: primarily cutting a bulk silicon substrate along a first cut line parallel to a bus bar electrode using laser scribing, thereby dividing the bulk silicon substrate into unit cells; forming an intermediate processing junction substrate by shingled-joining a plurality of unit cells according to the length of a string; forming the string by secondarily cutting the intermediate processing junction substrate seated on a substrate fixing jig, the intermediate processing junction substrate being cut along a second cut line that is perpendicular to the bus bas electrode and set according to the width of the string; and laminating a protective member on the surfaces of a plurality of strings to form a photovoltaic module.
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公开(公告)号：US20230415232A1
公开(公告)日：2023-12-28
申请号：US18247735
申请日：2021-08-18
Applicant: KOREA INSTITUTE OF INDUSTRIAL TECHNOLOGY
Inventor： Seung Min YANG , Geon Dae MOON , Young Kyu JEONG , Ohyung KWON , Gun Hee KIM , Kyung Hoon KIM
CPC classification number: B22F9/26 , B22F1/145 , B22F1/054 , B22F1/16 , B22F2998/10 , B22F2304/054 , B22F2301/15 , B22F2999/00 , B22F2302/25
Abstract: Provided is a method of producing a nickel nanopowder, the method capable of preventing coagulation between particles and, accordingly, providing a nickel nanopowder having a small average particle size and a low coagulation rate. According to an embodiment of the present invention, the method of producing a nickel nanopowder includes providing a nickel salt and a shell-forming material; nucleating and growing nickel core particles from the nickel salt; forming a shell layer on surfaces of the nickel core particles using the shell-forming material; and removing the shell layer to form the nickel nanopowder.
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公开(公告)号：US11840601B2
公开(公告)日：2023-12-12
申请号：US17088354
申请日：2020-11-03
Applicant: KOREA INSTITUTE OF INDUSTRIAL TECHNOLOGY
Inventor： Hyun Aee Chun , Sook Yeon Park , Su Jin Park , Yun Ju Kim
IPC: C08G59/30 , C08G59/32 , C08L63/00 , C08F220/18 , C08F220/56 , C08G59/24 , C08G59/42 , C08G59/68 , C08K3/22 , C08K3/36 , C08L63/04
CPC classification number: C08G59/3281 , C08F220/1802 , C08F220/1804 , C08F220/56 , C08G59/245 , C08G59/306 , C08G59/4269 , C08G59/686 , C08K3/22 , C08K3/36 , C08L63/04 , C08K2003/2227 , C08K2201/005 , C08L2203/20 , C08L2203/30
Abstract: An epoxy composition, a composite thereof, and an article including the same, in which the reactivity of the epoxy resin having an alkoxysilyl group is improved by a specific acrylic-based polymer resin, are provided. According to the present disclosure, an epoxy composition comprising an epoxy resin having an alkoxysilyl group, an acrylic-based polymer resin, and an inorganic filler, a composite thereof, and an article including the same are provided. The epoxy composition of the present disclosure shows an excellent thermal expansion property in a composite, and may be used in manufacture of semiconductor packaging and/or electrical and electronic components.
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公开(公告)号：US11833257B2
公开(公告)日：2023-12-05
申请号：US15735818
申请日：2016-06-10
Applicant: KOREA INSTITUTE OF INDUSTRIAL TECHNOLOGY
Inventor： Tae Hee Kim , Jung Nam Im , Song Jun Doh , Chaehwa Kim , Yoonjin Kim , Gyu Dong Lee
CPC classification number: A61L15/425 , A61F13/00012 , A61F13/00042 , A61F13/00063 , A61F13/00987 , A61L15/225 , A61L15/44 , B29C44/00 , A61L2300/102 , A61L2300/418 , A61L2300/602 , A61L2400/04 , B29K2105/04 , C08J2201/00 , C08J2301/00 , C08J2301/02 , C08J2301/08 , C08J2305/00 , C08J2305/08
Abstract: Disclosed is a porous structure including water-soluble chitosan; and a carboxymethyl cellulose-based compound, wherein a weight ratio of the water-soluble chitosan and the carboxymethyl cellulose-based compound is from 65:35 to 25:75, and a process for preparing the same.
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公开(公告)号：US11634675B2
公开(公告)日：2023-04-25
申请号：US16770663
申请日：2018-12-07
Applicant: Korea Institute of Industrial Technology , CEFO Co., Ltd.
Inventor： Dongmok Lee , Hyunsook Park , Sunray Lee
Abstract: The present invention relates to an insertable culture container and a kit for three-dimensional cell culture, and a three-dimensional cell co-culture method using the same, the insertable culture container for three-dimensional cell culture comprising: a cylindrical side wall having open upper and lower portions; at least one hook protruding outward from the upper side of the side wall; and at least one support protruding inward from the lower side of the side wall. The present invention is advantageous in that air required for a three-dimensional cell culture structure can be smoothly supplied since the cell is cultured at a position spaced apart from a bottom surface of the culture container, and an existing culture plate can be used without change due to the culture container configured as an insert type.
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