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, 2017
Filed:
May. 14, 2015
Applicant:
Tdk Corporation, Tokyo, JP;
Inventors:
Assignee:
TDK CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01F 1/20 (2006.01); C22C 38/02 (2006.01); H01F 1/24 (2006.01); H01F 41/02 (2006.01); H01F 1/147 (2006.01); C22C 38/00 (2006.01); C22C 33/02 (2006.01);
U.S. Cl.
CPC ...
H01F 1/20 (2013.01); C22C 33/0257 (2013.01); C22C 38/00 (2013.01); C22C 38/002 (2013.01); C22C 38/02 (2013.01); H01F 1/14766 (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 which has Fe as the main component and contains Si and B, wherein, the content of Si in the soft magnetic metal powder is 1 to 15 mass %, the content of boron inside the metal particle of the soft magnetic metal powder is 10 to 150 ppm, and the 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.