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. 09, 2024
Filed:
Mar. 24, 2021
Applicant:
Tdk Corporation, Tokyo, JP;
Inventors:
Assignee:
TDK CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B22F 1/054 (2022.01); B22F 1/16 (2022.01); H01F 1/147 (2006.01); H01F 1/33 (2006.01); B82Y 40/00 (2011.01); B82Y 25/00 (2011.01);
U.S. Cl.
CPC ...
H01F 1/33 (2013.01); B22F 1/054 (2022.01); B22F 1/16 (2022.01); H01F 1/147 (2013.01); B22F 2301/05 (2013.01); B22F 2301/35 (2013.01); B82Y 25/00 (2013.01); B82Y 40/00 (2013.01);
Abstract
The object of the present invention is to provide a fluidizing particle capable of improving a fluidity of a magnetic particle for a magnetic core and capable of improving a permeability of the magnetic core. The fluidizing particle includes a particle body having a magnetic property and a coating layer including a silicon compound covering the particle body, wherein a particle size of the fluidizing particle is 10 to 40 nm, and a circularity of the fluidizing particle is 0.55 or more.