Composite piezoelectric tuning fork with eccentricly located ele

Details Composite piezoelectric tuning fork with eccentricly located ele Composite piezoelectric tuning fork with eccentricly located ele

1979-09-05

1981-11-24

Budd, Mark O.

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

310365, 310370, 29 2535, H01L 4108

Patent

active

043026940

ABSTRACT:
A piezoelectric tuning fork device comprises a plate-like tuning vibrator having a pair of prongs and a base with a slot defined between the prongs. The tuning vibrator has at least one electrode layer deposited on and overlying a piezoelectric layer formed on one of the opposed major surfaces of the tuning vibrator. The electrode layer is generally U-shaped and has a pair of opposed leg portions each so positioned as to have its longitudinal axis located to one side of the imaginary corresponding prong.

REFERENCES:
patent: 2081405 (1937-05-01), Mason
patent: 3128397 (1964-04-01), Shinada et al.
patent: 3354413 (1967-11-01), Ko
patent: 3361994 (1968-01-01), Takahashi
patent: 3509387 (1970-04-01), Thorn
patent: 3634787 (1972-01-01), Newell
patent: 3659230 (1972-04-01), Tanaka
patent: 3683213 (1972-08-01), Staudte
patent: 3944862 (1976-03-01), Shimoi et al.
patent: 4178526 (1979-12-01), Nakamura et al.

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