Length-extentional quartz resonator

Details Length-extentional quartz resonator Length-extentional quartz resonator

1989-05-22

1992-04-21

Budd, Mark O.

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

310368, H01L 4108

Patent

active

051071649

ABSTRACT:
A length-extentional quartz resonator has a pair of linearly arranged longitudinal oscillating portions supported to undergo dominant length-extentional oscillation having an oscillating frequency in the range from 1.04 MHz to 1.06 MHz. A rectangular frame member is arranged to support and surround the oscillating portions and has the outer overall length of 4000 .mu.m.+-.200 .mu.m. The frame member has a pair of longitudinal frame portions connected to the oscillating portions through transverse support portions to undergo flexual oscillation, and having width set in the range from 110 .mu.m to 260 .mu.m effective to suppress coupling between the dominant length-extentional oscillation and the flexual oscillation.

REFERENCES:
patent: 4139793 (1979-02-01), Michel
patent: 4216402 (1980-08-01), Engdahl
patent: 4608510 (1986-08-01), Dinger et al.

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