The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 19, 2023
Filed:
Mar. 08, 2019
Tdk Corporation, Tokyo, JP;
Kazuhiro Yoshidome, Tokyo, JP;
Hiroyuki Matsumoto, Tokyo, JP;
Kenji Horino, Tokyo, JP;
Satoko Mori, Tokyo, JP;
Takuma Nakano, Tokyo, JP;
Seigo Tokoro, Tokyo, JP;
Shota Otsuka, Tokyo, JP;
Toru Ujiie, Tokyo, JP;
Kentaro Mori, Tokyo, JP;
TDK CORPORATION, Tokyo, JP;
Abstract
A soft magnetic metal powder having soft magnetic metal particles including Fe, wherein a surface of the soft magnetic metal particle is covered by a coating part, the coating part has a first coating part and a second coating part in this order from the surface of the soft magnetic metal particle towards outside, the first coating part includes oxides of Fe as a main component, the second coating part includes a compound of at least one element selected from the group consisting of P, Si, Bi, and Zn, and a ratio of trivalent Fe atom among Fe atoms of oxides of Fe included in the first coating part is 50% or more.