Sensor
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United States of America Patent
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-
Apr 21, 1987
Grant Date -
N/A
app pub date -
Dec 10, 1985
filing date -
Dec 20, 1984
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A .lambda. sensor comprising a perovskite compound ASnO.sub.3-.delta. and silica, germania, zirconia or hafnia added to the compound in an amount of 0.5 to 30 mol % per mol of the compound. Silica or like additive gives improved oxygen sensitivity and reduces the temperature dependence of the oxygen sensitivity.
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