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:
Aug. 13, 2024
Filed:
Oct. 18, 2022
Applicant:
Tdk Corporation, Tokyo, JP;
Inventors:
Assignee:
TDK CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C22C 19/07 (2006.01); C22C 33/02 (2006.01); C22C 45/02 (2006.01); H01F 1/153 (2006.01);
U.S. Cl.
CPC ...
H01F 1/15316 (2013.01); C22C 19/07 (2013.01); C22C 33/0257 (2013.01); C22C 45/02 (2013.01);
Abstract
A soft magnetic alloy powder includes a particle body and a surface layer. The particle body comprises a soft magnetic alloy including Fe and Co. The surface layer is located on a surface side of the particle body. The surface layer includes one or more local maximum points of Si concentration and one or more local maximum points of Co concentration. The surface layer satisfies D≤D, in which Dis a distance from an interface between the particle body and the surface layer to a first Si local maximum point L, and Dis a distance from the interface to a first Co local maximum point L.