Humidity-sensitive element and process for producing the same

Details Humidity-sensitive element and process for producing the same Humidity-sensitive element and process for producing the same

1983-11-30

1985-04-02

Envall, Jr., Roy N.

Electrical resistors

Resistance value responsive to a condition

Gas, vapor, or moisture absorbing or collecting

733365, H01L 700

Patent

active

045090351

ABSTRACT:
A humidity-sensitive element which has excellent humidity-sensitive characteristics and has a small drift after being exposed to a high humidity for a long period of time. The humidity-sensitive element of the invention includes a porous metal oxide sintered body, a simple substance or an oxide of phosphorus or sulfur carried on the porous metal oxide sintered body, and copper ions carried on the porous metal oxide sintered body.

REFERENCES:
patent: 4052691 (1977-10-01), Nagano et al.
patent: 4343688 (1982-08-01), Harwood
patent: 4424508 (1984-01-01), Harata et al.

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