Piezoelectric vibrator, piezoelectric vibrator device having the

Details Piezoelectric vibrator, piezoelectric vibrator device having the Piezoelectric vibrator, piezoelectric vibrator device having the

1996-03-01

1999-07-20

Budd, Mark O.

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

310344, 310360, 310366, H01L 4108

Patent

active

059259680

ABSTRACT:
A piezoelectric vibrator includes a piezoelectric element having an electromechanical coupling coefficient of a thickness-extensional vibration mode greater than that of a thickness-share vibration mode, and a pair of electrodes arranged on surfaces of the piezoelectric element so that harmonic energy of the thickness-extensional vibration of the piezoelectric element is trapped.

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