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:
Jan. 30, 2018
Filed:
May. 14, 2015
Applicant:
Tdk Corporation, Tokyo, JP;
Inventors:
Assignee:
TDK CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01F 1/20 (2006.01); H01F 1/147 (2006.01); C22C 38/00 (2006.01); B22F 1/02 (2006.01); H01F 1/24 (2006.01); H01F 41/02 (2006.01);
U.S. Cl.
CPC ...
H01F 1/20 (2013.01); B22F 1/02 (2013.01); C22C 38/002 (2013.01); H01F 1/147 (2013.01); H01F 1/24 (2013.01); B22F 2998/10 (2013.01); B22F 2999/00 (2013.01); H01F 41/0246 (2013.01);
Abstract
The present invention relates to a soft magnetic metal powder having iron as the main component and containing boron, wherein, the content of iron inside the soft magnetic metal powder is 98 mass % or more, the content of boron in the particle of the soft magnetic metal powder is 10 to 150 ppm, and the metal particle has a film of boron nitride on the surface. The present invention also relates to a soft magnetic metal powder core prepared by using the soft magnetic metal powder.