Piezoelectric device having a tension stress, and angular...

Details Piezoelectric device having a tension stress, and angular... Piezoelectric device having a tension stress, and angular...

2011-03-29

2011-03-29

SanMartin, J. (Department: 2837)

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

C073S504020

Reexamination Certificate

active

07915794

ABSTRACT:
A piezoelectric device includes a piezoelectric film and an electrode film. The piezoelectric film is constituted of lead zirconium titanate represented by Pb1+X(ZrYTi1−Y)O3+X, where X is 0 or more and 0.3 or less and Y is 0 or more and 0.55 or less, the piezoelectric film having a tension stress. The electrode film applies a voltage to the piezoelectric film.

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Japanese Office Action (2007-297325) issued on Dec. 1, 2009.
Japanese Office Action (2007-297323) issued on Dec. 1, 2009.
Japanese Office Action (2007-297321) issued on Dec. 1, 2009.

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