Electrical generator or motor structure – Non-dynamoelectric – Piezoelectric elements and devices
Reexamination Certificate
2007-09-25
2007-09-25
Dougherty, Thomas M. (Department: 2834)
Electrical generator or motor structure
Non-dynamoelectric
Piezoelectric elements and devices
C310S340000, C310S367000
Reexamination Certificate
active
11138250
ABSTRACT:
A piezoelectric/electrostrictive structure is provided, including a plurality of stacked sheet-shaped piezoelectric/electrostrictive bodies and at least one sheet of a thin film. The interfaces between the piezoelectric/electrostrictive bodies are exposed at side faces of the piezoelectric/electrostrictive structure, the side faces have notches, and the thin film is placed on the notched portions of side faces. A method for manufacturing the piezoelectric/electrostrictive structure includes the steps of stacking a plurality of ceramic green sheets made of a piezoelectric/electrostrictive material, firing the stacked ceramic green sheets to prepare fired piezoelectric/electrostrictive bodies and forming at least one sheet of a thin film on side faces of the fired piezoelectric/electrostrictive bodies by a chemical vapor deposition process.
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U.S. Appl. No. 11/444,628, filed Jun. 1, 2006, Kimura et al.
Kimura Koji
Ohmori Makoto
Burr & Brown
Dougherty Thomas M.
NGK Insulators Ltd.
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