Electrical resistors – Resistance value responsive to a condition – Gas – vapor – or moisture absorbing or collecting
Patent
1993-07-27
1995-07-18
Lateef, Marvin M.
Electrical resistors
Resistance value responsive to a condition
Gas, vapor, or moisture absorbing or collecting
204424, 204428, H01C 700
Patent
active
054345510
ABSTRACT:
A gas sensor that has its heater and sensing layer on opposite sides of the substrate. The gas sensor includes a buffer layer separating the gas-sensing layer from the substrate to improve mechanical strength and electrical properties. The heater is preferably formed of nickel paste and is provided on the back of the substrate.
REFERENCES:
patent: 4324761 (1982-04-01), Harris
patent: 5006825 (1991-04-01), Yutaka et al.
patent: 5104513 (1992-04-01), Lee et al.
Chen I-Cherng
Ku James C. H.
Liaw Chiu-Fong
Tsai Ping-Ping
Tzeng Ming-Hann
Bednarek Michael D.
Industrial Technology Research Institute
Lateef Marvin M.
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