Method of making a low aging piezoelectric resonator

Details Method of making a low aging piezoelectric resonator Method of making a low aging piezoelectric resonator

1987-06-22

1988-02-16

Budd, Mark O.

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

310311, 310361, 310312, 29 2535, 361233, 204164, H01L 4108

Patent

active

047257547

ABSTRACT:
A low aging piezoelectric resonator is made from a plate of piezoelectric terial using standard resonator fabrication techniques with identical electrodes applied to both major faces of the plate; the electroded plate mounted in a suitable enclosure and the unit vacuum baked and sealed under high vacuum to remove as much contamination as possible, and a DC voltage impressed between the resonator electrodes and the enclosure to create a static electric filed within the enclosure.

REFERENCES:
patent: 2083420 (1937-06-01), Atchisson
patent: 2440886 (1948-05-01), Bach
patent: 3113224 (1963-12-01), King
patent: 3288695 (1966-11-01), King
patent: 3336487 (1967-08-01), Martyn et al.
patent: 3337439 (1967-08-01), Fraser
patent: 3932777 (1976-01-01), King
patent: 4088917 (1978-05-01), Martin et al.
patent: 4311938 (1982-01-01), Ballato et al.
patent: 4403382 (1983-09-01), Facoetti et al.
patent: 4684337 (1987-08-01), Bauer

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