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:
Jun. 16, 2026
Filed:
Nov. 22, 2022
Applicant:
Tdk Corporation, Tokyo, JP;
Inventors:
Masahito Koeda, Tokyo, JP;
Satoko Mori, Tokyo, JP;
Kazuhiro Yoshidome, Tokyo, JP;
Hiroyuki Matsumoto, Tokyo, JP;
Assignee:
TDK CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01F 1/147 (2006.01); H01F 1/153 (2006.01); H01F 3/08 (2006.01);
U.S. Cl.
CPC ...
H01F 1/1475 (2013.01); H01F 1/15308 (2013.01); H01F 1/15383 (2013.01); H01F 3/08 (2013.01);
Abstract
A soft magnetic metal powder including a soft magnetic metal particle. The soft magnetic metal particle includes a metal particle and an oxide part covering the metal particle. An interface between the metal particle and the oxide part has roughness. A maximum height Rz of roughness at the interface between the metal particle and the oxide part is within a range of 1.0 nm or more and 50.0 nm or less.