Capacitive hygrometer and its production process

Details Capacitive hygrometer and its production process Capacitive hygrometer and its production process

1983-12-27

1985-07-30

Bueker, Richard

Chemistry: electrical and wave energy

Processes and products

427 79, 427 81, H01G 700

Patent

active

045320160

ABSTRACT:
The present invention relates to a capacitive hygrometer comprising a capacitor (1) having a dielectric material (3), whose dielectric constant varies as a function of the quantity of water absorbed. It has on one of its conductive faces numerous fissures bringing the dielectric material into direct contact with the atmosphere whose degree of humidity is to be measured. However, the electrical continuity of the fissured conductive face is maintained.
Application to the measurement of the degree of humidity of the air.

REFERENCES:
patent: 3083573 (1963-04-01), Shaw
patent: 3234442 (1966-02-01), Maissel et al.
patent: 3470018 (1969-09-01), Smith et al.
patent: 3522732 (1970-08-01), Bauer
patent: 4156268 (1979-05-01), Gallant
patent: 4164868 (1979-08-01), Suntola
patent: 4266263 (1981-05-01), Haberl et al.
Maissel et al., Handbook of Thin Film Technology, McGraw Hill Book Co., N.Y., .COPYRGT.1970, pp. 6-30 and 12-21 to 12-40.

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