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

IPC: B21D22/02 ,  B21D37/16 ,  C21D1/667

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.

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

IPC: B22F9/02 ,  B22F1/16

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.

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

IPC: B22F9/28 ,  B22F1/065 ,  B22F1/142 ,  B22F9/02

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.

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

IPC: H02S40/36 ,  H02S20/25

CPC classification number: H02S40/36 ,  H02S20/25

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.

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

IPC: B22F9/26 ,  B22F1/145 ,  B22F1/054 ,  B22F1/16

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.

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.

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

IPC: A61L15/42 ,  A61F13/00 ,  A61L15/22 ,  A61L15/44 ,  B29C44/00 ,  B29K105/04

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.

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

IPC: C12M1/00 ,  C12M1/32 ,  C12N5/00

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.

公开(公告)号：US11535693B2

公开(公告)日：2022-12-27

申请号：US17101812

申请日：2020-11-23

Applicant: KOREA INSTITUTE OF INDUSTRIAL TECHNOLOGY

Inventor： Sung Woo Hong ,  Sung Koo Lee ,  Pyong Hwa Hong ,  Jin Sil Kim ,  Gyeong Min Moon ,  Kiseung Kim

IPC: C08G18/12 ,  C08L75/12 ,  C08G18/32 ,  C08G18/62 ,  C08G18/38 ,  C09D175/04 ,  C08G18/65 ,  C08G18/75 ,  C08G18/10 ,  C08G18/64 ,  C08G18/79

Abstract: Disclosed is a composition for forming a polyurethane film with improved reaction stability, comprising an OH group-containing polymer; an isocyanate-based compound as a curing agent; and an alicyclic urea diol compound having two urea groups and an OH group at two terminals, and a polyurethane film with improved self-healable property from tear, derived from the composition.

公开(公告)号：US11512100B2

公开(公告)日：2022-11-29

申请号：US16918311

申请日：2020-07-01

Applicant: KOREA INSTITUTE OF INDUSTRIAL TECHNOLOGY

Inventor： Yun Ju Kim ,  Hyun Aee Chun ,  Su Jin Park ,  Sook Yeon Park

IPC: C07D301/02 ,  C07F7/08 ,  B01J31/02

Abstract: Provided is a method for preparing an epoxy compound having an alkoxysilyl group effectively by using a mild catalyst as well as an aromatic alcohol ring-opening agent. The preparation method for an epoxy compound having an alkoxysilyl group includes: performing a ring opening step by reacting an epoxy compound having an epoxide group, which is a starting material, with an aromatic alcohol ring-opening agent in the presence of a phosphine-based catalyst and an optional solvent so as to obtain an intermediate having a partially ring-opened epoxide group; and performing an alkoxysilylation step by reacting the intermediate having a partially ring-opened epoxide with isocyanate alkoxysilane.