Piezoelectric vibrating pieces and piezoelectric devices

Details Piezoelectric vibrating pieces and piezoelectric devices Piezoelectric vibrating pieces and piezoelectric devices

2011-03-08

2011-03-08

Budd, Mark (Department: 2837)

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

C310S344000, C310S370000

Reexamination Certificate

active

07902729

ABSTRACT:
The piezoelectric vibrating piece (20) comprises a base portion (29) having an adhesive area on a first surface of electrically conductive adhesive31for mounting, a pair of vibrating arms (21) extending in a first direction from one edge of the base portion, base electrodes (23a, 25a) arranged in the base portion, an exciting electrode (23c, 25c) extending in a first direction and connecting the base electrode to excite a pair of vibrating arms. The area where the base electrodes (23a, 25a) conduct the electrically conductive adhesive (31) is smaller than the adhesive area (33).

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European Search Report, dated Aug. 17, 2009, European Patent Application No. 08159459.

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