Electrode configuration for thickness-shear mode piezoelectric v

Details Electrode configuration for thickness-shear mode piezoelectric v Electrode configuration for thickness-shear mode piezoelectric v

1980-03-10

1983-01-25

Budd, Mark O.

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

310312, 310320, 310369, H01L 4108

Patent

active

043705847

ABSTRACT:
A driving electrode on a surface of the piezoelectric vibrator in accordance with the present invention has a blank which is narrow at the center portion and wide at the right and left portions on the Z axis. And the driving electrode is the shape easy to operate in the fundamental main vibration, and hard to operate in the spurious vibration. Thus the piezoelectric vibrator operates efficiently in the fundamental main vibration.

REFERENCES:
patent: 3781577 (1973-12-01), Nonaka
patent: 4066986 (1978-01-01), Takano et al.
patent: 4211947 (1980-07-01), Ikeno et al.

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