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:
Sep. 27, 2022
Filed:
Mar. 07, 2019
Applicant:
Tdk Corporation, Tokyo, JP;
Inventors:
Yusuke Ariake, Tokyo, JP;
Isao Kanada, Tokyo, JP;
Assignee:
TDK Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01F 1/147 (2006.01); H01F 1/34 (2006.01); H01F 1/24 (2006.01); H01F 1/28 (2006.01);
U.S. Cl.
CPC ...
H01F 1/147 (2013.01); H01F 1/24 (2013.01); H01F 1/28 (2013.01); H01F 1/342 (2013.01);
Abstract
The present invention provides a composite magnetic body comprising metal particles containing Fe or Fe and Co as a main component and a resin, wherein an average major axis diameter of the metal particles is 30 to 500 nm, an average of the aspect ratios of the metal particles is 1.5 to 10, and a CV value of the aspect ratios is 0.40 or less.