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.

Date of Patent:
Apr. 30, 2024

Filed:

Jan. 10, 2019
Applicant:

Tdk Corporation, Tokyo, JP;

Inventors:

Kazuhiro Yoshidome, Tokyo, JP;

Akihiro Harada, Tokyo, JP;

Hiroyuki Matsumoto, Tokyo, JP;

Kenji Horino, Tokyo, JP;

Akito Hasegawa, Tokyo, JP;

Kensuke Ara, Tokyo, JP;

Hajime Amano, Tokyo, JP;

Masakazu Hosono, Tokyo, JP;

Assignee:

TDK CORPORATION, Tokyo, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01F 1/153 (2006.01); C22C 38/42 (2006.01); C22C 45/02 (2006.01); H01F 1/147 (2006.01); H01F 41/02 (2006.01);
U.S. Cl.
CPC ...
H01F 1/15325 (2013.01); H01F 1/14741 (2013.01); H01F 1/15308 (2013.01); H01F 1/15333 (2013.01); H01F 41/0226 (2013.01); H01F 41/0246 (2013.01); C22C 38/42 (2013.01); C22C 45/02 (2013.01);
Abstract

A soft magnetic alloy includes a main component of (FeX1X2)MBPSiC. X1 is one or more of Co and Ni. X2 is one or more of Al, Mn, Ag, Zn, Sn, As, Sb, Cu, Cr, Bi, N, O, and rare earth elements. M is one or more of Nb, Hf, Zr, Ta, Mo, W, and V. 0.020≤a≤0.14 is satisfied. 0.020<b≤0.20 is satisfied. 0≤d≤0.060 is satisfied. α≥0 is satisfied. β≥0 is satisfied. 0≤α+β≤0.50 is satisfied. c and e are within a predetermined range. The soft magnetic alloy has a nanohetero structure or a structure of Fe based nanocrystallines.


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