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:
Dec. 02, 2003
Filed:
Jun. 29, 2001
Kenji Saito, Tokyo, JP;
Koichiro Morita, Tokyo, JP;
Youichi Mizuno, Tokyo, JP;
Yasunobu Kawamoto, Tokyo, JP;
Yoshikazu Okino, Tokyo, JP;
Noriyuki Kohzu, Tokyo, JP;
Hirokazu Chazono, Tokyo, JP;
Taiyo Yuden Co., Ltd., Tokyo, JP;
Abstract
A ceramic capacitor containing at least one dielectric layer formed from a dielectric ceramic composition comprising a sintered body containing ceramic particles having a core/shell structure in an amount of 15% or more based on the total ceramic particles of the sintered body, the core/shell structured particle being composed of a core portion, which is BaTiO crystal, and a shell portion surrounding the core portion, which is made of a solid solution comprising BaTiO as a major component, has excellent temperature characteristics and a long life-time.