Electrical generator or motor structure – Non-dynamoelectric – Piezoelectric elements and devices
Reexamination Certificate
2006-11-21
2006-11-21
Dougherty, Thomas M. (Department: 2834)
Electrical generator or motor structure
Non-dynamoelectric
Piezoelectric elements and devices
C310S331000, C310S332000
Reexamination Certificate
active
07138749
ABSTRACT:
The present invention provides a piezo-electric/electrostrictive device including a pair of thin plate sections in an opposed relation to each other, a fixing section for supporting the thin plate sections, and at least one pair of piezo-electric/electrostrictive elements are provided to the pair of thin plate sections. The thin plate sections include movable sections having end surfaces in an opposed relation. Recesses are formed between the thin plate sections and the fixing section and/or the movable sections.
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Soeno et al.,Piezoelectric Piggy-Back Microactuator for Hard Disk Drive, IEEE Transactions on Magnetics, vol. 35, No. 2, Mar. 1999.
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Ikeda Koji
Shibata Kazuyoshi
Takeuchi Yukihisa
Burr & Brown
Dougherty Thomas M.
NGK Insulators Ltd.
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