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. 23, 2025
Filed:
Mar. 30, 2023
Applicant:
Tdk Corporation, Tokyo, JP;
Inventor:
Ryoma Nakazawa, Tokyo, JP;
Assignee:
TDK CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01F 1/24 (2006.01); B22F 1/142 (2022.01); B22F 1/145 (2022.01); B22F 1/16 (2022.01); B22F 3/16 (2006.01); B22F 9/08 (2006.01); H01F 27/255 (2006.01);
U.S. Cl.
CPC ...
H01F 1/24 (2013.01); B22F 1/142 (2022.01); B22F 1/145 (2022.01); B22F 1/16 (2022.01); B22F 3/16 (2013.01); B22F 9/082 (2013.01); H01F 27/255 (2013.01); B22F 2301/35 (2013.01); B22F 2302/256 (2013.01); B22F 2304/10 (2013.01); B22F 2998/10 (2013.01); B22F 2999/00 (2013.01);
Abstract
A dust core including soft magnetic metal particles and a grain boundary phase, wherein the grain boundary phase includes Si and Ti.