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:
May. 22, 2007
Filed:
Sep. 27, 2006
Tomoaki Nonaka, Nikaho, JP;
Hiroshi Sasaki, Nikaho, JP;
Tsutomu Odashima, Nikaho, JP;
Takahiro Harada, Nikaho, JP;
Matsumi Watanabe, Nikaho, JP;
Tetsuo Takaishi, Nikaho, JP;
Shinsuke Hashimoto, Nikaho, JP;
Tomoaki Nonaka, Nikaho, JP;
Hiroshi Sasaki, Nikaho, JP;
Tsutomu Odashima, Nikaho, JP;
Takahiro Harada, Nikaho, JP;
Matsumi Watanabe, Nikaho, JP;
Tetsuo Takaishi, Nikaho, JP;
Shinsuke Hashimoto, Nikaho, JP;
TDK Corporation, Tokyo, JP;
Abstract
A dielectric ceramic composition comprising 100 moles of barium titanate as the main component, and furthermore comprising with respect to 100 moles of the main component 0.1 to 3 moles of a first subcomponent including a magnesium oxide, 0.01 to 0.5 mole (note that 0.5 is not included) of a second subcomponent including a yttrium oxide, 0.01 to 0.2 mole of a third subcomponent including a vanadium oxide, and 0.5 to 10 moles of a glass component including a silicon oxide as the main component; wherein a manganese oxide and a chrome oxide are substantially not included, and an average particle diameter of dielectric particles is 0.35 μm or smaller.