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Title:
LAMINATED PIEZOELECTRIC CERAMIC ELEMENT
Document Type and Number:
Japanese Patent JP2004128386
Kind Code:
A
Abstract:

To provide a laminated piezoelectric ceramic element in which short-circuited damage between an outer electrode and a laminated layer, or between laminated layers is reduced.

A piezoelectric performance of a piezoelectric ceramics of an extraction part or an insulating part of an inner electrode is, by utilizing laser irradiation and glass diffusion, partially changed at a slant.


Inventors:
KURANO MASAYUKI
INOUE TAKAYUKI
Application Number:
JP2002293530A
Publication Date:
April 22, 2004
Filing Date:
October 07, 2002
Export Citation:
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Assignee:
NEC TOKIN CORP
International Classes:
H01L41/083; H01L41/187; H01L41/22; H01L41/253; (IPC1-7): H01L41/083; H01L41/187; H01L41/22