Rectangular AT-cut quartz resonator

Details Rectangular AT-cut quartz resonator Rectangular AT-cut quartz resonator

1979-04-25

1981-01-27

Budd, Mark O.

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

310368, H01L 4108

Patent

active

042477972

ABSTRACT:
A rectangular AT-cut quartz resonator comprising a quartz crystal plate rotated about 35.degree. around the X-axis, has dimensional ratios w/t and l/t respectively in the range of 3.1 to 3.7 and 14.5 to 16.2, where the length l, width w and thickness t are respectively along the X-axis, Z-axis, and Y-axis.

REFERENCES:
patent: 2306909 (1942-12-01), Sykes
patent: 2505121 (1950-04-01), Knights
patent: 3311854 (1967-03-01), Mason
patent: 3792294 (1974-02-01), Royer
patent: 4071786 (1978-01-01), Yamashita
patent: 4124809 (1978-11-01), Engdahl
patent: 4167686 (1979-09-01), Fukuyo

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