Electrical resistors – Resistance value responsive to a condition – Gas – vapor – or moisture absorbing or collecting
Patent
1985-01-28
1987-03-24
Goldberg, E. A.
Electrical resistors
Resistance value responsive to a condition
Gas, vapor, or moisture absorbing or collecting
73 23, 73 28R, 422 90, 422 98, 422108, 136224, 136225, H01L 700
Patent
active
046528490
ABSTRACT:
A gas sensor has a 100-400 .mu.m thick gas-sensitive layer containing 5-30 mole % of a platinum group metal or an alloy thereof.
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patent: 3906721 (1975-09-01), Micheli et al.
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patent: 4029472 (1977-06-01), Micheli et al.
patent: 4416763 (1983-11-01), Fujishiro
patent: 4453151 (1984-06-01), Leary et al.
patent: 4507643 (1985-03-01), Sunano et al.
Furusaki Keizo
Matsuura Toshitaka
Ohkawa Teppei
Takami Akio
Goldberg E. A.
Lateef M. M.
NGK Spark Plug Co. Ltd.
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