Method and apparatus for covering a foil strain gauge

Details Method and apparatus for covering a foil strain gauge Method and apparatus for covering a foil strain gauge

1979-05-29

1981-12-22

Albritton, C. L.

Electrical resistors

Strain gauge type

29610SG, G01L 122

Patent

active

043073719

ABSTRACT:
A foil strain gauge pick-up is protected against environmental adverse influences by a multi-layer covering hermetically sealing and enclosing substantially the entire pick-up including its terminals. The covering includes at least two layers, preferably three layers. The first layer adjacent to the foil strain gauge proper is an electrically insulating layer. The outer layer may be a vapor deposited metal or oxide layer. An intermediate layer may be electrically conducting.

REFERENCES:
patent: 3395564 (1968-08-01), Rastrelli et al.
patent: 3475712 (1969-10-01), Brown
patent: 3638160 (1972-01-01), Huddleston
patent: 3639875 (1972-02-01), Brower
patent: 3863192 (1975-01-01), Grey
patent: 3986254 (1976-10-01), Nordstrom

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