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:
Nov. 11, 2014
Filed:
Jun. 01, 2010
Applicants:
Satoshi Matsubaguchi, Odawara, JP;
Ayako Matsumoto, Odawara, JP;
Toshio Tada, Odawara, JP;
Akira Manabe, Haibara-gun, JP;
Inventors:
Satoshi Matsubaguchi, Odawara, JP;
Ayako Matsumoto, Odawara, JP;
Toshio Tada, Odawara, JP;
Akira Manabe, Haibara-gun, JP;
Assignee:
FUJIFILM Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G11B 5/708 (2006.01); G11B 5/706 (2006.01); B82Y 30/00 (2011.01); C01G 49/00 (2006.01); C04B 35/26 (2006.01); C04B 35/628 (2006.01); C04B 35/653 (2006.01); H01F 1/11 (2006.01); H01F 41/16 (2006.01);
U.S. Cl.
CPC ...
G11B 5/70678 (2013.01); B82Y 30/00 (2013.01); C01G 49/0036 (2013.01); C04B 35/2633 (2013.01); C04B 35/2683 (2013.01); C04B 35/6281 (2013.01); C04B 35/62886 (2013.01); C04B 35/653 (2013.01); H01F 1/11 (2013.01); H01F 41/16 (2013.01); C01P 2002/52 (2013.01); C01P 2004/64 (2013.01); C01P 2006/42 (2013.01); C04B 2235/3215 (2013.01); C04B 2235/3251 (2013.01); C04B 2235/3274 (2013.01); C04B 2235/3275 (2013.01); C04B 2235/3284 (2013.01); C04B 2235/3409 (2013.01); C04B 2235/5292 (2013.01); C04B 2235/5409 (2013.01); C04B 2235/5454 (2013.01); C04B 2235/767 (2013.01);
Abstract
An aspect of the present invention relates to a hexagonal ferrite magnetic powder manufactured by a glass crystallization method as well as having an average plate diameter ranging from 15 to 25 nm, an average plate ratio ranging from 2.0 to 2.8 and a coercive force (Hc) ranging from 159 to 279 kA/m.