Piezoelectric apparatus for activating square plate resonator

Details Piezoelectric apparatus for activating square plate resonator Piezoelectric apparatus for activating square plate resonator

1985-12-03

1986-10-28

Budd, Mark O.

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

310325, 310328, 310358, 310366, 51 59SS, 82DIG9, 74 1SS, H01L 4108

Patent

active

046201211

ABSTRACT:
An apparatus equipped with annular electrostriction elements each having four divided segmental electrodes with the respective polarities reversed alternately in the direction of thickness thereof. The annular electrostriction elements are so disposed that the center lines of division are positionally coincident with diagonal lines of a square plate resonator while passing through the surface center point thereof, whereby the corner portions of the resonator can be vibrated effectively at an ultrasonic frequency.

REFERENCES:
patent: 3561462 (1971-02-01), Jugler
patent: 3754448 (1973-08-01), McDaniel
patent: 4562373 (1985-12-01), Tokusima et al.

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