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:
Aug. 07, 2012
Filed:
Feb. 06, 2008
Applicants:
Satoru Tanaka, Tottori, JP;
Takeshi Tachibana, Tottori, JP;
Inventors:
Satoru Tanaka, Tottori, JP;
Takeshi Tachibana, Tottori, JP;
Assignee:
Hitachi Metals, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01F 17/00 (2006.01); H01F 17/04 (2006.01); H01G 9/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
Low-loss ferrite comprising 100% by mass of main components comprising 47.1-49.3% by mol of FeO, 20-26% by mol of ZnO, and 6-14% by mol of CuO, the balance being NiO, and 0.1-2% by mass (as SnO) of Sn and 0.05-2% by mass (as MnO) of Mn, and having an average crystal grain size of 0.5-3 μm.