Sensor for a gas detector, in particular for smoke detection

Details Sensor for a gas detector, in particular for smoke detection Sensor for a gas detector, in particular for smoke detection

1975-05-14

1977-04-05

Albritton, C. L.

Electrical resistors

Resistance value responsive to a condition

Gas, vapor, or moisture absorbing or collecting

23254E, 200 6103, H01L 700

Patent

active

040165248

ABSTRACT:
Sensor for selectively detecting at least one constituent of a gaseous mixture in contact with the sensor. The sensor comprises a thin layer of a semiconductor material covered with a dielectric film formed with a large number of microscopic openings.

REFERENCES:
patent: 3625756 (1971-12-01), Taguchi
patent: 3748625 (1973-07-01), Bennewitz
patent: 3764269 (1973-10-01), Oldham et al.
patent: 3798079 (1974-03-01), Chu
patent: 3831432 (1974-08-01), Cox
patent: 3864659 (1975-02-01), Furuachi
patent: 3872419 (1975-03-01), Groves et al.
patent: 3879985 (1975-04-01), Maslen

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