Inversion layer sprain gauge

Details Inversion layer sprain gauge Inversion layer sprain gauge

1978-06-28

1980-03-04

Ciarlante, Anthony V.

Measuring and testing

Specimen stress or strain, or testing by stress or strain...

Specified electrical sensor or system

357 26, G01B 716

Patent

active

041910575

ABSTRACT:
A strain gauge element having an elastic beam with field effect transistors deposited on one surface arranged in a Wheatstone bridge so that deformation of the beam produces a proportional imbalance signal across the bridge, and means for applying a gate biasing voltage to the transistors with at least one such voltage being adjustable so that the bridge can be electrically balanced for a null or no load condition.

REFERENCES:
patent: 3121337 (1964-02-01), Hollander
patent: 3761784 (1973-09-01), Jund
patent: 4005318 (1977-01-01), Claiborne

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