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公开(公告)号：US20200275588A1
公开(公告)日：2020-08-27
申请号：US16796718
申请日：2020-02-20
Applicant: LG ELECTRONICS INC.
Inventor： Jin Bae Kim , Dongwon Kang , Joungwook Kim
Abstract: The present disclosure relates to a magnetic shielding sheet and a method of preparation thereof. The magnetic shielding sheet includes a magnetic layer, and a protective layer disposed on at least one surface of the magnetic layer. The magnetic layer includes a metal-ceramic composite that is metal powder, on which a ceramic coating layer is formed.
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公开(公告)号：US12173379B2
公开(公告)日：2024-12-24
申请号：US17773801
申请日：2020-09-29
Applicant: LG Electronics Inc.
Inventor： Jin Bae Kim , Dongwon Kang , Joungwook Kim
IPC: C21D9/46 , C21D6/00 , C21D8/00 , C21D8/12 , C22C38/00 , C22C38/02 , C22C38/04 , C22C38/06 , C22C38/16 , C22C38/18 , C22C38/34 , C22C38/42 , H01F1/147
Abstract: Disclosed are a non-oriented electrical steel sheet and a manufacturing method therefore, the sheet ensuring excellent magnetic characteristics by having increased texture intensity of surface (100) through strict control of the content ratio of Si, Al and the like and through final annealing heat treatment in an inert gas atmosphere.
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公开(公告)号：US11651879B2
公开(公告)日：2023-05-16
申请号：US16659133
申请日：2019-10-21
Applicant: LG ELECTRONICS INC.
Inventor： Dongwon Kang , Joungwook Kim , Jin Bae Kim
CPC classification number: H01F1/15333 , C21D6/00 , C22C45/02 , H01F1/15341 , C22C2202/02
Abstract: The present disclosure relates to an iron (Fe)-based amorphous soft magnetic alloy and a method for manufacturing the soft magnetic alloy. According to the present disclosure, there is provided an Fe-based soft magnetic alloy including C and S meeting 1≥a+b≥6, wherein a is an atomic % content of C and b is an atomic % content of S, B meeting 4.5≥x≥13.0, wherein x is an atomic % content of B, Cu meeting 0.2≥y≥1.5, wherein y is an atomic % content of Cu, Al meeting 0.5≥z≥2, wherein z is an atomic % content of Al, and a remaining atomic % content of Fe and other inevitable impurities, wherein the Fe-based soft magnetic alloy includes a micro-structure, and wherein the micro-structure includes a crystalline phase with a mean crystalline grain size ranging from 15 nm to 50 nm in an amorphous base.
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公开(公告)号：US10999959B2
公开(公告)日：2021-05-04
申请号：US16796718
申请日：2020-02-20
Applicant: LG ELECTRONICS INC.
Inventor： Jin Bae Kim , Dongwon Kang , Joungwook Kim
Abstract: The present disclosure relates to a magnetic shielding sheet and a method of preparation thereof. The magnetic shielding sheet includes a magnetic layer, and a protective layer disposed on at least one surface of the magnetic layer. The magnetic layer includes a metal-ceramic composite that is metal powder, on which a ceramic coating layer is formed.
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