Temperature compensated capacitance pressure transducer

Details Temperature compensated capacitance pressure transducer Temperature compensated capacitance pressure transducer

1979-01-23

1981-06-16

Goldberg, Elliot A.

Electricity: electrical systems and devices

Electrostatic capacitors

Variable

73718, 73724, H01G 700

Patent

active

042741254

ABSTRACT:
A pressure transducer is comprised of a crystalline quartz deflection plate which is clamped to a clamping plate having a rectangular hole therein so that deflection of the crystalline quartz plate in response to pressure difference thereacross is into the rectangular hole. The crystallographic axes of the deflection plate are arranged with respect to the longitudinal axis of the rectangular hole so that the deflection versus temperature curve of the transducer is a quadratic.

REFERENCES:
patent: 3230431 (1966-01-01), Deniston
patent: 3402448 (1968-09-01), Hoath
patent: 3634727 (1972-01-01), Polye
patent: 3748571 (1973-07-01), Kurtz
patent: 3943915 (1976-03-01), Severson

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