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:
Oct. 17, 2023
Filed:
Feb. 15, 2022
Applicant:
Tdk Corporation, Tokyo, JP;
Inventors:
Hironobu Kumaoka, Tokyo, JP;
Kazuhiro Yoshidome, Tokyo, JP;
Akito Hasegawa, Tokyo, JP;
Satoko Mori, Tokyo, JP;
Assignee:
TDK CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01F 1/153 (2006.01); C22C 38/02 (2006.01); C22C 45/02 (2006.01);
U.S. Cl.
CPC ...
H01F 1/15308 (2013.01); C22C 38/02 (2013.01); C22C 45/02 (2013.01); H01F 1/15316 (2013.01); H01F 1/15333 (2013.01);
Abstract
A soft magnetic alloy including an internal area having a soft magnetic type alloy composition including Fe and Co, a Co concentrated area existing closer to a surface side than the internal area and having a higher Co concentration than in the internal area, and a SB concentrated area existing closer to the surface side than the Co concentrated area and having a higher concentration of at least one element selected from Si and B than in the internal area.