发明授权
- 专利标题: Dielectric ceramic, manufacturing method therefor, and multilayer ceramic capacitor
- 专利标题(中): 介电陶瓷及其制造方法和多层陶瓷电容器
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申请号: US10506858申请日: 2004-01-30
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公开(公告)号: US07242571B2公开(公告)日: 2007-07-10
- 发明人: Toshihiro Okamatsu , Harunobu Sano
- 申请人: Toshihiro Okamatsu , Harunobu Sano
- 申请人地址: JP
- 专利权人: Murata Manufacturing Co. Ltd.
- 当前专利权人: Murata Manufacturing Co. Ltd.
- 当前专利权人地址: JP
- 代理机构: Dickstein, Shapiro, LLP.
- 优先权: JP2003-023121 20030131
- 国际申请: PCT/JP2004/000970 WO 20040130
- 国际公布: WO2004/067473 WO 20040812
- 主分类号: H01G4/06
- IPC分类号: H01G4/06
摘要:
A dielectric ceramic is obtained by the steps of obtaining a reaction product composed of a barium titanate base composite oxide represented by the general formula (Ba1−h−i−mCahSriGdm)k(Ti1−y−j−nZryHfjMgn)O3, in which 0.995≦k≦1.015, 0≦h≦0.03, 0≦i≦0.03, 0.015≦m≦0.035, 0≦y
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