Terminal substrate for a quartz vibrating device

Details Terminal substrate for a quartz vibrating device Terminal substrate for a quartz vibrating device

1982-02-09

1983-02-22

Budd, Mark O.

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

310312, 310340, 310344, 310342, H01L 4108

Patent

active

043750419

ABSTRACT:
A quartz vibrator mounted on a terminal substrate member having a through-hole. The ratio of through hole area being from 0.5 to 0.8 of the vibrators electrode area. Fine frequency adjustment is obtained by evaporation of material thru the through hole.

REFERENCES:
patent: 2771561 (1956-11-01), Fuller
patent: 3073975 (1963-01-01), Bigler et al.
patent: 4112324 (1978-09-01), Yamaguchi

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