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:
May. 10, 2016
Filed:
Aug. 11, 2014
Applicant:
Tdk Corporation, Minato-ku, Tokyo, JP;
Inventors:
Junichi Nagaoka, Tokyo, JP;
Takahiro Mori, Tokyo, JP;
Hiroyuki Morita, Tokyo, JP;
Yoshihiko Minachi, Tokyo, JP;
Assignee:
TDK Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01F 1/11 (2006.01); C01G 49/00 (2006.01); H01F 1/10 (2006.01); C01G 51/00 (2006.01); C04B 35/26 (2006.01); C04B 35/626 (2006.01); C04B 35/632 (2006.01);
U.S. Cl.
CPC ...
H01F 1/10 (2013.01); C01G 49/0054 (2013.01); C01G 51/006 (2013.01); C04B 35/2633 (2013.01); C04B 35/2641 (2013.01); C04B 35/6261 (2013.01); C04B 35/6263 (2013.01); C04B 35/632 (2013.01); H01F 1/11 (2013.01); C01P 2002/30 (2013.01); C01P 2004/61 (2013.01); C01P 2004/62 (2013.01); C01P 2006/12 (2013.01); C04B 2235/32 (2013.01); C04B 2235/3203 (2013.01); C04B 2235/3206 (2013.01); C04B 2235/3208 (2013.01); C04B 2235/3213 (2013.01); C04B 2235/3215 (2013.01); C04B 2235/3217 (2013.01); C04B 2235/3224 (2013.01); C04B 2235/3227 (2013.01); C04B 2235/3232 (2013.01); C04B 2235/3239 (2013.01); C04B 2235/3241 (2013.01); C04B 2235/3244 (2013.01); C04B 2235/3251 (2013.01); C04B 2235/3256 (2013.01); C04B 2235/3258 (2013.01); C04B 2235/3262 (2013.01); C04B 2235/3277 (2013.01); C04B 2235/3279 (2013.01); C04B 2235/3281 (2013.01); C04B 2235/3284 (2013.01); C04B 2235/3286 (2013.01); C04B 2235/3287 (2013.01); C04B 2235/3293 (2013.01); C04B 2235/3294 (2013.01); C04B 2235/3409 (2013.01); C04B 2235/3418 (2013.01); C04B 2235/447 (2013.01); C04B 2235/448 (2013.01); C04B 2235/549 (2013.01); C04B 2235/5409 (2013.01); C04B 2235/5436 (2013.01); C04B 2235/5445 (2013.01); C04B 2235/605 (2013.01); C04B 2235/6562 (2013.01); C04B 2235/661 (2013.01); C04B 2235/72 (2013.01); C04B 2235/726 (2013.01); C04B 2235/727 (2013.01); C04B 2235/767 (2013.01); C04B 2235/785 (2013.01); C04B 2235/786 (2013.01); C04B 2235/85 (2013.01); C04B 2235/94 (2013.01); C04B 2235/95 (2013.01);
Abstract
An object of the present invention is to provide a ferrite magnetic material which can provide a permanent magnet retaining high Br and HcJ as well as having high Hk/HcJ. The ferrite magnetic material according to a preferred embodiment is a ferrite magnetic material formed of hard ferrite, wherein a P content in terms of POis 0.001% by mass or more.