Gas sensor
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United States of America Patent
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Mar 15, 1988
Grant Date -
N/A
app pub date -
Jun 18, 1986
filing date -
Jun 24, 1985
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A gas sensor in which a compound of rhenium is added to tin oxide (SnO.sub.2). Rhenium inhibits the sensor from lowering its resistance over time and in particular increases its durability against overheating. Rhenium is preferably used together with vanadium. Rhenium is preferably added by impregnation in order to maintain temperature characteristic of the sensor.
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