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. 19, 2023
Filed:
Sep. 22, 2022
Applicant:
Taiyo Yuden Co., Ltd., Tokyo, JP;
Inventors:
Norihiro Asako, Takasaki, JP;
Kenji Yazawa, Takasaki, JP;
Makoto Aoki, Takasaki, JP;
Tomomi Kobayashi, Takasaki, JP;
Assignee:
TAIYO YUDEN CO., LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01F 41/02 (2006.01); H01F 1/34 (2006.01); C04B 35/26 (2006.01); H01F 41/04 (2006.01); H01F 27/28 (2006.01);
U.S. Cl.
CPC ...
H01F 41/0246 (2013.01); C04B 35/265 (2013.01); H01F 1/344 (2013.01); H01F 27/28 (2013.01); H01F 41/04 (2013.01); C04B 2235/327 (2013.01); C04B 2235/3279 (2013.01); C04B 2235/3281 (2013.01); C04B 2235/3284 (2013.01);
Abstract
When manufacturing a magnetic body which is made of a ferrite material containing Fe, Ni, and Zn, and whose Mn content is 0.1288 percent by mass or higher, or a magnetic body which is made of a ferrite material containing Fe, Ni, Zn, and Cu, and whose Mn content is 0.1178 percent by mass or higher, an iron oxide powder whose Mn content is 0.20 percent by mass or higher is used as a raw material powder.