Piezoelectric resonator and electronic component provided...

Details Piezoelectric resonator and electronic component provided... Piezoelectric resonator and electronic component provided...

2006-07-11

2006-07-11

Schuberg, Darren (Department: 2834)

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

C333S189000

Reexamination Certificate

active

07075214

ABSTRACT:
A piezoelectric resonator according to an embodiment of the present invention is a piezoelectric resonator for obtaining a signal of a predetermined resonance frequency from a bulk acoustic wave propagating inside a piezoelectric film. This piezoelectric resonator has a plurality of transducers stacked in a predetermined direction, and a propagation area of the bulk acoustic wave varies in a propagation direction of the bulk acoustic wave.

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patent: 2004/0212458 (2004-10-01), Lee
patent: 2004/0227591 (2004-11-01), Aigner et al.
patent: 2005/0134406 (2005-06-01), Inoue
patent: A 05-167388 (1993-07-01), None
patent: A 2003-022074 (2003-01-01), None

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