Tuning fork type quartz crystal resonator with variable width ba

Details Tuning fork type quartz crystal resonator with variable width ba Tuning fork type quartz crystal resonator with variable width ba

1984-03-29

1985-09-10

Budd, Mark O.

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

310361, H01L 4108

Patent

active

045409099

ABSTRACT:
A tuning fork type quartz crystal resonator using a coupling between the fundamental flexural and fundamental torsional modes of vibration. The resonator has a base and two tuning fork arms extending from the base. The length of the base is larger than that of the tuning fork arms. The base has a narrow width portion effective to lower the vibrating displacements of the base end according to the torsional mode.

REFERENCES:
patent: Re29429 (1977-10-01), Kawai et al.
patent: 3683213 (1972-08-01), Staudte
patent: 4320320 (1982-03-01), Momosaki et al.
patent: 4377765 (1983-03-01), Kogure et al.
patent: 4410827 (1983-10-01), Kogure

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