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:
Jun. 08, 2010
Filed:
Apr. 29, 2008
Applicants:
Kenji Endou, Tokyo, JP;
Kiyoshi Hatanaka, Tokyo, JP;
Masaharu Hirakawa, Tokyo, JP;
Haruo Nishino, Tokyo, JP;
Hideaki Fujioka, Tokyo, JP;
Inventors:
Kenji Endou, Tokyo, JP;
Kiyoshi Hatanaka, Tokyo, JP;
Masaharu Hirakawa, Tokyo, JP;
Haruo Nishino, Tokyo, JP;
Hideaki Fujioka, Tokyo, JP;
Assignee:
TDK Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H05K 1/18 (2006.01);
U.S. Cl.
CPC ...
Abstract
A multilayer ceramic substrate includes a plurality of ceramic layers laminated each other. The plurality of ceramic layers form a bulge and a cavity having such a shape that an opening area of the cavity gradually becomes smaller toward a bottom of the cavity.