Temperature sensor and method using a single rotated quartz crys

Details Temperature sensor and method using a single rotated quartz crys Temperature sensor and method using a single rotated quartz crys

1983-06-27

1984-09-18

Budd, Mark O.

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

310311, 310353, 374117, H01L 4108

Patent

active

044726562

ABSTRACT:
A temperature sensor including an oscillator circuit comprising a plate-shaped quartz crystal resonator formed using a cut rotated singly through an angle .theta. about the X axis, .theta. being in the range -29.degree. to -16.degree. or +39.degree. to +45.degree.. Electrodes are provided on the major surfaces of the resonator to make the resonator vibrate in a thickness shear mode at a frequency which varies substantially linearly in a selected temperature range.

REFERENCES:
patent: 2496975 (1950-02-01), Bach
patent: 2536025 (1951-01-01), Blackburn
patent: 2721267 (1955-10-01), Collins
patent: 3263103 (1966-07-01), Fraser et al.
patent: 4160183 (1979-07-01), Kusters et al.
patent: 4355257 (1982-10-01), Kawashima et al.

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