Piezoelectric vibrator on mirror polished substrate

Details Piezoelectric vibrator on mirror polished substrate Piezoelectric vibrator on mirror polished substrate

1985-04-30

1986-04-15

Budd, Mark O.

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

310312, 310348, H01L 4108

Patent

active

045830177

ABSTRACT:
A piezoelectric vibrator operating in a spreading vibration mode has a vibrating plate of permanently elastic metal. At least one main surface of the vibrating plate is mirror-finished.

REFERENCES:
patent: 2261791 (1941-11-01), Bokovoy
patent: 2705392 (1955-04-01), Imler
patent: 3924312 (1975-12-01), Coussot et al.
patent: 4451755 (1984-05-01), Vig et al.
patent: 4469975 (1984-09-01), Nakamura et al.
patent: 4472654 (1984-09-01), Nakamura et al.
patent: 4511821 (1985-04-01), Nakamura et al.

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