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. 04, 2006
Filed:
Sep. 11, 2002
Applicants:
Ko Ito, Tokyo, JP;
Yukio Takahashi, Tokyo, JP;
Takuya Ono, Tokyo, JP;
Hiroshi Harada, Tokyo, JP;
Inventors:
Assignee:
TDK Corporation, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
C04B 33/32 (2006.01);
U.S. Cl.
CPC ...
Abstract
An oxide magnetic material comprising main constituents including FeO, ZnO, CuO and NiO. YOof 0.003 to 0.021 wt % and-ZrOof 0.06 to 0.37 wt % are included in main constituents with respect to all amounts. It is also preferable that Si of 0.010 to 0.0112 wt % is included in main constituents with respect to all amounts. Further, it is also preferable that YOof 0.001 to 0.011 wt % , ZrOof 0.031 to 0.194 wt %, and Si of 0.010 to 0.056 wt % are included in main constituents with respect to all amounts.