Field trapping electrodes

Details Field trapping electrodes Field trapping electrodes

1997-07-23

1999-08-17

Budd, Mark O.

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

310366, 310369, H01L 4108

Patent

active

059398159

ABSTRACT:
Piezoelectric resonator structures and circuits therefor are provided to p the energy available for vibrational deformation in a resonator, between the driving electrodes of the resonator structure. Field trapping electrodes are disposed to enclosed the driving electrodes in the resonator structures which are arranged in circuits to derive electric fields between the field trapping electrodes in an opposite direction to that of an electric field between the driving electrodes.

REFERENCES:
patent: 2969512 (1961-01-01), Jaffe et al.
patent: 3465178 (1969-09-01), Pardue
patent: 3495105 (1970-02-01), Shimano
patent: 4184095 (1980-01-01), Stacchiotti
patent: 4376919 (1983-03-01), Konno et al.
patent: 4529904 (1985-07-01), Hattersley
patent: 4870313 (1989-09-01), Hirama et al.
patent: 5757104 (1998-05-01), Getman et al.

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