Invention Grant
- Patent Title: Multilayer ceramic capacitor
- Patent Title (中): 多层陶瓷电容器
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Application No.: US12022722Application Date: 2008-01-30
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Publication No.: US07715171B2Publication Date: 2010-05-11
- Inventor: Makito Nakano , Noriyuki Inoue , Kenichi Kawasaki
- Applicant: Makito Nakano , Noriyuki Inoue , Kenichi Kawasaki
- Applicant Address: JP Kyoto-fu
- Assignee: Murata Manufacturing Co., Ltd.
- Current Assignee: Murata Manufacturing Co., Ltd.
- Current Assignee Address: JP Kyoto-fu
- Agency: Dickstein Shapiro LLP
- Priority: JP2005-238618 20050819
- Main IPC: H01G4/005
- IPC: H01G4/005 ; H01G4/06

Abstract:
The “squeal” that occurs when an electric field is applied to a multilayer ceramic capacitor mounted on a substrate is suppressed by providing in an active part contributing to formation of capacitances between internal electrodes facing each other in a capacitor body, low-activity regions positioned near respective end edges of respective external electrodes. A facing area of the internal electrodes in the low-activity regions is less than or equal to one fifth that of the internal electrodes in a normal region having the same volume as that of the low-activity regions. This makes it possible to suppress occurrence of electric-field-induced distortion near the external electrodes bonded to a substrate and reduce the force that causes the substrate to bend.
Public/Granted literature
- US20080130198A1 MULTILAYER CERAMIC CAPACITOR Public/Granted day:2008-06-05
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