Electrical generator or motor structure – Non-dynamoelectric – Piezoelectric elements and devices
Reexamination Certificate
2005-10-18
2005-10-18
Budd, Mark (Department: 2834)
Electrical generator or motor structure
Non-dynamoelectric
Piezoelectric elements and devices
C310S332000, C310S340000, C310S346000
Reexamination Certificate
active
06956317
ABSTRACT:
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 portions12aand12b. 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.
REFERENCES:
patent: 6504287 (2003-01-01), Yun et al.
patent: 6796011 (2004-09-01), Takeuchi et al.
patent: 10-136665 (1998-05-01), None
patent: 2001-320103 (2001-11-01), None
Namerikawa Masahiko
Shibata Kazuyoshi
Budd Mark
Burr & Brown
NGK Insulators Ltd.
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