Piezoelectric resonator using 165.degree. Y-cut LiNbO.sub.3

Details Piezoelectric resonator using 165.degree. Y-cut LiNbO.sub.3 Piezoelectric resonator using 165.degree. Y-cut LiNbO.sub.3

1984-05-23

1986-04-15

Budd, Mark O.

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

310318, 310348, H01L 4108

Patent

active

045830193

ABSTRACT:
A piezoelectric resonator with a rectangular parallelepiped resonator. A lithium niobate single crystal is used as the resonator chip material. Each of the opposed main surfaces of the resonator chip is arranged to be a surface of a rotated Y-cut plate which is rotated 165.+-.5 degrees about an X-axis. The angle of the longitudinal direction of the resonator chip is arranged to be 90.+-.5 degrees with respect to the X-axis of the rotated Y-cut plate.

REFERENCES:
patent: 3461408 (1969-08-01), Onoe et al.
patent: 3591813 (1971-07-01), Coquin
patent: 3858065 (1974-12-01), Epstein
patent: 4124809 (1978-11-01), Engdahl et al.
patent: 4283650 (1981-08-01), Koyama et al.
patent: 4384229 (1983-05-01), Inoue et al.
patent: 4454444 (1984-06-01), Fujiwara et al.
Determination of Elastic and Piezoelectric Constants for Crystals in Class (3m), by Warner, Onoe & Coquin, JASA, vol. 42, No. 6, 1967, pp. 1223-1229.

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