Electrical strain gauge

Details Electrical strain gauge Electrical strain gauge

1984-02-08

1986-12-30

Goldberg, E. A.

Electrical resistors

Strain gauge type

338 5, 73726, G01L 122

Patent

active

046332120

ABSTRACT:
An electrical strain gauge is provided in which the strain-responsive circuit element is formed from a thin film deposit on a surface of a metal substrate on which an insulating film has already been deposited. Connections are made directly to the circuit element by the ends of connecter leads that are bonded into insulating plugs in apertures in the substrate. The plugs and the insulating film are glasses to which the substrate and the circuit element are bonded. A further glass layer encapsulates the circuit element. As a result a very robust form of gauge is provided that can be used in high temperatures and in chemically active environments.

REFERENCES:
patent: 3444619 (1969-05-01), Lomerson
patent: 3638160 (1972-01-01), Huddleston
patent: 3808678 (1974-05-01), Kubo et al.

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