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:
Sep. 16, 2003
Filed:
Jun. 29, 2001
Youichi Mizuno, Tokyo, JP;
Hisamitsu Shizuno, Tokyo, JP;
Kenji Saito, Tokyo, JP;
Yasunobu Kawamoto, Tokyo, JP;
Taiyo Yuden Co., Ltd., Tokyo, JP;
Abstract
The ceramic capacitor in accordance with the present invention is fabricated by employing a dielectric ceramic composition in forming dielectric layers thereof, wherein the dielectric ceramic composition contains an oxide of Ba and Ti, an oxide of Re (Re used herein represents one or more rare-earth elements selected from Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Tb and Y), an oxide of Mg, one or more oxides selected from oxides of Mn, V and Cr, an oxide of Mo and/or W and SiO or a glass component including SiO , wherein the amount of the oxide of Ba and Ti is 100 mol % in terms of BaTiO , the amount of the oxide of Re is 0.25 to 1.5 mol % in terms of Re O , the amount of the oxide of Mg is 0.2 to 1.5 mol % in terms of MgO and the amount of one or more oxides of Mn, V or Cr is 0.03 to 0.6 mol % in terms of Mn O , V O , Cr O , respectively, and the amount of the oxide of Mo and/or W is 0.025 to 0.25 mol % in terms of MoO and WO .