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:
Feb. 26, 2013
Filed:
Apr. 20, 2011
Noriyuki Inoue, Nagaokakyo, JP;
Hitoshi Nishimura, Nagaokakyo, JP;
Toshihiro Okamatsu, Nagaokakyo, JP;
Takafumi Okamoto, Nagaokakyo, JP;
Noriyuki Inoue, Nagaokakyo, JP;
Hitoshi Nishimura, Nagaokakyo, JP;
Toshihiro Okamatsu, Nagaokakyo, JP;
Takafumi Okamoto, Nagaokakyo, JP;
Murata Manufacturing Co., Ltd., Nagaokakyo-Shi, Kyoto-fu, JP;
Abstract
Provided is a dielectric ceramic which exhibits desired high temperature load resistance characteristics even under a high electric field strength on the order of 15 kV/mm. The dielectric ceramic contains, as its main constituent, a perovskite compound represented by the general formula (BaCaSrGd)(TiZrHfMgZnMn)O, 0≦h≦0.03, 0≦i≦0.03; 0.042≦m≦0.074; 0.94≦k≦1.075; 0≦(y+j)≦0.05; 0.015≦n≦0.07; 0≦o≦0.04; 0≦p≦0.05; and 1.0<m/(n+o)<4.3. The dielectric ceramic can be used advantageously as a material for a dielectric ceramic layer provided in a laminated ceramic capacitor.