Piezoelectric vibrating device

Details Piezoelectric vibrating device Piezoelectric vibrating device

1991-02-01

1992-05-26

Budd, Mark O.

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

310365, 310358, H01L 4108

Patent

active

051171473

ABSTRACT:
A piezoelectric vibrating device utilizing a thickness shear vibration mode, in which at least one pair of vibrating electrodes is formed on both major surfaces of a piezoelectric substrate so as to have regions opposed to each other through the piezoelectric substrate and an edge of the vibrating electrode on one of the major surfaces which exists in the region opposed to the vibrating electrode on the other major surface is provided with irregularities.

REFERENCES:
patent: 4468582 (1984-08-01), Fujiwara

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