发明授权
US06876535B2 Ceramic capacitor, method for producing the same, and dielectric multilayer device
失效
陶瓷电容器及其制造方法以及电介质多层器件
- 专利标题: Ceramic capacitor, method for producing the same, and dielectric multilayer device
- 专利标题(中): 陶瓷电容器及其制造方法以及电介质多层器件
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申请号: US10678925申请日: 2003-10-03
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公开(公告)号: US06876535B2公开(公告)日: 2005-04-05
- 发明人: Takayuki Takeuchi , Masahiro Yamaoka , Emiko Kawahara
- 申请人: Takayuki Takeuchi , Masahiro Yamaoka , Emiko Kawahara
- 申请人地址: JP Osaka
- 专利权人: Matsushita Electric Industrial Co., Ltd.
- 当前专利权人: Matsushita Electric Industrial Co., Ltd.
- 当前专利权人地址: JP Osaka
- 代理机构: Merchant & Gould P.C.
- 优先权: JP2002-297286 20021010
- 主分类号: H01G4/005
- IPC分类号: H01G4/005 ; H01G4/012 ; H01G4/06 ; H01G4/30 ; H05K1/03 ; H05K1/16
摘要:
A ceramic capacitor includes: a first conductive pattern; a second conductive pattern and a dielectric layer, the first conductive pattern and the second conductive pattern being made of a conductor and provided so as to oppose each other and sandwich the dielectric layer therebetween. The first conductive pattern and the second conductive pattern are different in area from each other, where the second conductive pattern is smaller than the first conductive pattern, and a portion where the first conductive pattern and the second conductive pattern overlap each other forms a capacitance portion. A first extended portion and a second extended portion made of the conductor are formed at both edges of the second conductive pattern so as to extend in mutually opposite directions. With this configuration, the ceramic capacitor with a reduced variation in capacitance value caused by displacement in lamination of green sheets can be provided.
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