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:
Jul. 03, 2007
Filed:
Oct. 06, 2004
Applicants:
Takuya Aoki, Tokyo, JP;
Taku Murase, Tokyo, JP;
Inventors:
Takuya Aoki, Tokyo, JP;
Taku Murase, Tokyo, JP;
Assignee:
TDK Corporation, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
H01F 1/34 (2006.01); C04B 35/30 (2006.01);
U.S. Cl.
CPC ...
Abstract
An Ni—Cu—Zn-based ferrite material contains TiOalone as an additive in an amount of 0.1 wt %<x≦4.0 wt % in which x denotes a content of the TiOand unavoidable impurities. The principal components thereof are 43.0 to 49.8 mol % of FeO, 4.0 to 13.0 mol % of CuO, 5 to 35 mol % of ZnO and the balance of NiO.