Electrical resistors – Resistance value responsive to a condition – Gas – vapor – or moisture absorbing or collecting
Patent
1997-04-11
1999-03-23
Walberg, Teresa
Electrical resistors
Resistance value responsive to a condition
Gas, vapor, or moisture absorbing or collecting
422 90, H01C 700
Patent
active
058866140
ABSTRACT:
A thin film hydrogen sensor, includes: a substantially flat ceramic substrate with first and second planar sides and a first substrate end opposite a second substrate end; a thin film temperature responsive resistor on the first planar side of the substrate proximate to the first substrate end; a thin film hydrogen responsive metal resistor on the first planar side of the substrate proximate to the fist substrate end and proximate to the temperature responsive resistor; and a heater on the second planar side of the substrate proximate to the first end.
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Cheng Yang-Tse
Meltser Mark Alexander
Poli Andrea A.
General Motors Corporation
Pwu Jeffrey
Simon Anthony Luke
Walberg Teresa
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