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. 03, 2017
Filed:
Aug. 30, 2013
Applicant:
Hitachi Metals, Ltd., Tokyo, JP;
Inventors:
Yoshinori Kobayashi, Mishima-gun, JP;
Tsunehiro Kawata, Mishima-gun, JP;
Assignee:
HITACHI METALS, LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01F 1/11 (2006.01); H01F 41/02 (2006.01); C04B 35/26 (2006.01); C04B 35/40 (2006.01); C04B 35/63 (2006.01); C04B 111/00 (2006.01); C04B 111/10 (2006.01);
U.S. Cl.
CPC ...
H01F 1/11 (2013.01); C04B 35/2641 (2013.01); C04B 35/6303 (2013.01); H01F 41/02 (2013.01); C04B 2111/00422 (2013.01); C04B 2111/10 (2013.01); C04B 2235/60 (2013.01); C04B 2235/72 (2013.01);
Abstract
A sintered ferrite magnet comprising metal elements of Ca, La, Fe and Co, whose atomic ratios are represented by the general formula of CaLaFeCo, wherein x and y, and n representing a molar ratio meet 0.3≦x≦0.6, 0.25≦y≦0.5, and 3≦n≦6, and further comprising 0.2% to 0.35% by mass of SiO.