Method of making a high stability quartz crystal oscillator

Details Method of making a high stability quartz crystal oscillator Method of making a high stability quartz crystal oscillator

1983-04-18

1988-05-03

Hall, Carl E.

Metal working

Piezoelectric device making

310315, 310344, 310361, H01L 4122

Patent

active

047410760

ABSTRACT:
A high stability quartz crystal oscillator is made from a quartz crystal te by first cutting the quartz crystal plate at the angles that result in a resonator having a turnover temperature below the lowest operating temperature of the equipment in which the oscillator is to be used. A resonator is made from the quartz plate; the resonator when connected into a high stability oscillator circuit, and the oscillator-circuit/resonator combination placed into a temperature controlled environment where the temperature is maintained at a temperature between the lowest operating temperature of the equipment in which the oscillator is to be used to about -250.degree. C.

REFERENCES:
patent: 4259606 (1981-03-01), Vig

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