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1. 发明授权

US07715172B2 Multilayer capacitor 有权
标题翻译：多层电容器
公开(公告)号：US07715172B2
公开(公告)日：2010-05-11
申请号：US12171442
申请日：2008-07-11
申请人： Kenichi Kawasaki , Noriyuki Inoue , Akira Saito , Makito Nakano , Kenichi Oshiumi
发明人： Kenichi Kawasaki , Noriyuki Inoue , Akira Saito , Makito Nakano , Kenichi Oshiumi
IPC分类号： H01G4/005 , H01G4/06
CPC分类号： H01G4/232 , H01G4/2325 , H01G4/30
摘要： A multilayer capacitor includes a capacitor body in which internal electrodes in a first internal electrode group are overlapped with internal electrodes in a second internal electrode group with dielectric layers sandwiched therebetween. A first external electrode has a first wraparound portion and a second wraparound portion, and a second external electrode has a third wraparound portion and a fourth wraparound portion. The volume proportions of the effective layers in a first area sandwiched between the first wraparound portion and the second wraparound portion and in a third area sandwiched between the third wraparound portion and the fourth wraparound portion are set to at least about 10%. The volume proportions of the effective layers in a second area toward a lower surface in the first area and in a fourth area toward the lower surface in the third area are set to about 15% or less. The external dimensions of the multilayer capacitor 1 are about 1.6±0.1 mm in length by about 0.8±0.1 mm in width by about 0.8±0.1 mm in thickness.
摘要翻译：层叠电容器包括：电容器体，其中第一内部电极组中的内部电极与内部电极重叠在第二内部电极组中，其间夹有电介质层。第一外部电极具有第一环绕部分和第二环绕部分，第二外部电极具有第三环绕部分和第四环绕部分。被夹在第一环绕部分和第二环绕部分之间的第一区域和夹在第三环绕部分和第四环绕部分之间的第三区域中的有效层的体积比例设定为至少约10％。在第二区域中的有效层向第一区域中的下表面和第三区域中朝向下表面的第四区域中的有效层的体积比例设定为约15％以下。多层电容器1的外形尺寸约为1.6±0.1mm，宽度约为0.8±0.1mm，厚度约为0.8±0.1mm。

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