Electrode structure for thickness mode piezoelectric vibrating e

Details Electrode structure for thickness mode piezoelectric vibrating e Electrode structure for thickness mode piezoelectric vibrating e

1978-05-30

1980-08-19

Budd, Mark O.

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

310320, 310365, 310366, H01L 4110

Patent

active

042186315

ABSTRACT:
The vibrating element comprises a pair of exciting electrodes having opposing effective portions formed on the opposing major surfaces of a piezoelectric plate, and vibration adjusting members disposed on at least one of the exciting electrodes. The vibration adjusting members are made of the same material as the exciting electrodes and do not project beyond the contour of the effective portions in the direction of propagation of the vibration energy of the vibration but project in a direction perpendicular to the direction of propagation.

REFERENCES:
patent: 3382381 (1968-05-01), Horton
patent: 3401276 (1968-09-01), Curran
patent: 3760471 (1973-09-01), Borner
patent: 3898489 (1975-08-01), Grady et al.
patent: 4013982 (1977-03-01), Wood et al.
patent: 4066986 (1978-01-01), Takano

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