Invention Grant
- Patent Title: Soft magnetic metal powder, dust core, and magnetic component
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Application No.: US17036447Application Date: 2020-09-29
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Publication No.: US11705259B2Publication Date: 2023-07-18
- Inventor: Masahito Koeda , Kazuhiro Yoshidome , Hiroyuki Matsumoto
- Applicant: TDK CORPORATION
- Applicant Address: JP Tokyo
- Assignee: TDK CORPORATION
- Current Assignee: TDK CORPORATION
- Current Assignee Address: JP Tokyo
- Agency: Oliff PLC
- Priority: JP 19180943 2019.09.30 JP 20129377 2020.07.30
- Main IPC: H01F3/08
- IPC: H01F3/08 ; H01F1/153 ; H01F1/24

Abstract:
According to an aspect, a soft magnetic metal powder includes a plurality of soft magnetic metal particles containing iron, a surface of each of the soft magnetic metal particles is covered with a coating part, and a maximum height Sz of a surface of the coating part is 10 to 700 nm. According to another aspect, a soft magnetic metal powder includes a plurality of soft magnetic metal particles containing iron, a surface of each of the soft magnetic metal particles is covered with a coating part, and a maximum height Rz of a surface of the coating part is 10 to 700 nm.
Public/Granted literature
- US20210098164A1 SOFT MAGNETIC METAL POWDER, DUST CORE, AND MAGNETIC COMPONENT Public/Granted day:2021-04-01
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