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:
Oct. 27, 2009
Filed:
Apr. 16, 2007
Applicants:
Ryuichiro Wada, Kyoto, JP;
Tetsuya Ikeda, Kyoto, JP;
Inventors:
Ryuichiro Wada, Kyoto, JP;
Tetsuya Ikeda, Kyoto, JP;
Assignee:
Murata Manufacturing Co., Ltd., Kyoto, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01F 7/06 (2006.01);
U.S. Cl.
CPC ...
Abstract
A multilayer composite including a core made of a magnetic ceramic sintered compact disposed therein, and shrinkage restraining layers including an inorganic powder that is not substantially sintered at the sintering temperature of the green ceramic layers are sintered in order to reduce the difference in shrinkage behavior during firing between the core and the green ceramic layers.