Method of adjusting the frequency of vibration of piezoelectric

Details Method of adjusting the frequency of vibration of piezoelectric Method of adjusting the frequency of vibration of piezoelectric

1976-05-20

1977-05-10

Hall, Carl E.

Metal working

Piezoelectric device making

219121LM, 310 89, H01L 4122

Patent

active

040218988

ABSTRACT:
A method of trimming or tuning the frequency of vibration of a piezoelectric resonator comprising varying the ambient gas pressure within an unsealed resonator can until the desired frequency is obtained. The can is then sealed at the desired pressure, and thereby maintains the desired resonant frequency.

REFERENCES:
patent: 2877338 (1959-03-01), Berge
patent: 3691720 (1972-09-01), Anderson et al.

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