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. 23, 2012
Filed:
May. 15, 2008
Applicants:
Kentei Yono, Tsukuba, JP;
Atsunobu Masuno, Tokyo, JP;
Shinichi Yoda, Tukuba, JP;
Hidesada Natsui, Tokyo, JP;
Inventors:
Kentei Yono, Tsukuba, JP;
Atsunobu Masuno, Tokyo, JP;
Shinichi Yoda, Tukuba, JP;
Hidesada Natsui, Tokyo, JP;
Assignees:
Japan Aerospace Exploration Agency, Tokyo, JP;
TDK Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C04B 35/468 (2006.01);
U.S. Cl.
CPC ...
Abstract
Dielectric ceramic composition comprising a barium titanate including barium titanate having hexagonal structure as a main component, and an element 'M', an effective ionic radius of the 'M' is within ±20% with respect to an effective ionic radius of 12-coordinated Baor with respect to an effective ionic radius of 6-coordinated Ti, an ionic valence of the “M” is larger than that of the Ba or Ti.