Moisture sensor

Details Moisture sensor Moisture sensor

1984-04-27

1985-12-10

Griffin, Donald A.

Electricity: electrical systems and devices

Electrostatic capacitors

Variable

H01G 520

Patent

active

045583935

ABSTRACT:
A moisture sensor comprising a substrate, a moisture sensitive polymer film having hydroxyl groups formed on said substrate, an electrode formed on said moisture sensitive film, and a chemical modification layer disposed between said substrate and said moisture sensitive film, said chemical modification layer having chemical bonding strength to both said substrate and said moisture sensitive film thereby increasing adhesion between said substrate and said moisture sensitive film.

REFERENCES:
patent: 2297346 (1942-09-01), Crist
patent: 2703857 (1955-03-01), Engelhardt et al.
patent: 3350941 (1967-11-01), Misevich et al.
patent: 4164868 (1979-08-01), Suntola
patent: 4393434 (1983-07-01), Imai et al.

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