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:
Dec. 01, 2020
Filed:
Feb. 26, 2018
Applicant:
Tdk Corporation, Tokyo, JP;
Inventors:
Kazuhiro Yoshidome, Tokyo, JP;
Hiroyuki Matsumoto, Tokyo, JP;
Kenji Horino, Tokyo, JP;
Akito Hasegawa, Tokyo, JP;
Yu Yonezawa, Tokyo, JP;
Syota Goto, Tokyo, JP;
Seigo Tokoro, Tokyo, JP;
Assignee:
TDK CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C22C 45/02 (2006.01); H01F 1/153 (2006.01);
U.S. Cl.
CPC ...
H01F 1/15308 (2013.01); C22C 45/02 (2013.01); H01F 1/15333 (2013.01);
Abstract
Provided is a soft magnetic alloy including Fe, as a main component, and including B. Among 80000 pieces of a grid having 1 nm×1 nm×1 nm in a continuous measurement range of the soft magnetic alloy, 4000 pieces of the grid from lower Fe content shows B content variation (σB) of 2.8 or more, and an amorphization ratio X of the soft magnetic alloy of 85% or more.