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US Patent 7245064 Piezoelectric/electrostrictive device

Patent 7245064 was granted and assigned to NGK Insulators on July, 2007 by the United States Patent and Trademark Office.

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Patent attributes

Current Assignee

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Patent Jurisdiction

United States Patent and Trademark Office

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Patent Number

Patent Inventor Names

Kazuyoshi Shibata0

Yukihisa Takeuchi0

Masahiko Namerikawa0

Date of Patent

July 17, 2007

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Patent Application Number

111376990

Date Filed

May 25, 2005

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Patent Citations Received

US Patent 12068010 Multi-layer PZT microactuator with active PZT constraining layers for a DSA suspension

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US Patent 11694716 Multi-layer PZT microactuator with active PZT constraining layers for a DSA suspension

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US Patent 11769524 Multi-layer PZT microactuator having oppositely poled PZT constraining layer

US Patent 12000740 Sensor apparatus

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Patent Primary Examiner

Darren E. Schuberg

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Patent abstract

A piezoelectric/electrostrictive including a pair of mutually opposing vibration plates, each having a first portion and a second portion, a fixation section joined to the first portion of each of the vibration plates, and at least one piezoelectric/electrostrictive element arranged on at least one of the vibration plates. A surface of the device between the fixation section and the second portion of at least one of the vibration plates is curved.

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