Semiconductor oxide gas combustibles sensor

Details Semiconductor oxide gas combustibles sensor Semiconductor oxide gas combustibles sensor

1983-12-21

1986-05-06

Richman, Barry S.

Chemical apparatus and process disinfecting, deodorizing, preser

Analyzer, structured indicator, or manipulative laboratory...

Means for analyzing gas sample

73 27R, 422 98, 436134, 436144, G01N 2716

Patent

active

045871043

ABSTRACT:
An n-type semiconductor gas detecting element. The semiconductor oxide is bismuth molybdate having the composition Bi.sub.2 O.sub.3.3MoO.sub.3 and the gas detecting element formed therewith has high sensitivity to combustible gas. The detection of the combustible gases is based upon the change of electrical conductivity of a thick film of the semiconductor oxide detecting element resulting from the combustible gas component in an oxygen-containing atmosphere.

REFERENCES:
patent: 4259292 (1981-03-01), Ichinose et al.
patent: 4397888 (1983-08-01), Yannopoulos et al.

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