Gas sensing element

Details Gas sensing element Gas sensing element

1983-03-16

1984-07-03

Envall, Jr., Roy N.

Electrical resistors

Resistance value responsive to a condition

Gas, vapor, or moisture absorbing or collecting

422 98, 422 94, H01L 700

Patent

active

044582331

ABSTRACT:
A gas sensing element made of a gas sensing material composed of a composite oxide of titanium and niobium as the principal constituent, which is capable of measuring with high sensitivity and selectivity those gases such as hydrogen sulfide, methyl mercaptan, etc. issuing offensive odor, and alcohol, due to variations in electrical resistance of the material.

REFERENCES:
patent: 3479257 (1969-11-01), Shaver
patent: 4146438 (1979-03-01), de Naro et al.
patent: 4224280 (1980-09-01), Takahama et al.
patent: 4260978 (1981-04-01), Yasuda et al.
patent: 4272353 (1981-06-01), Lawrence et al.
patent: 4326414 (1982-04-01), Teranda et al.
Journal of Electronic Materials, vol. 10, No. 3, 1981 R. B. Cooper et al., "Gas Sensing Mechanisms in SnO.sub.2 Thin Films".

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