Piezoelectric/electrostrictive device and piezoelectric/electrostrictive element

A piezoelectric/electrostrictive device is provided, including a pair of mutually confronting thin plate portions, a fixing portion for supporting the pair of thin plate portions, movable portions provided at tip end portions of the pair of thin plate portions and having mutually confronting end sur...

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Bibliographic Details
Main Authors NAMERIKAWA MASAHIKO, SHIBATA KAZUYOSHI
Format Patent
LanguageEnglish
Published 18.10.2005
Edition7
Subjects
ELECTRICITY
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Summary:A piezoelectric/electrostrictive device is provided, including a pair of mutually confronting thin plate portions, a fixing portion for supporting the pair of thin plate portions, movable portions provided at tip end portions of the pair of thin plate portions and having mutually confronting end surfaces, and piezoelectric/electrostrictive elements disposed on respective thin plate portions 12 a and 12 b. At least both side surfaces of the thin plate portions and the piezoelectric/electrostrictive elements are covered with coating films made of a material with a low thermal expansion coefficient.
Bibliography:Application Number: US20030448999