Method for producing an exhaust gas sensor
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United States of America Patent
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Mar 27, 1990
Grant Date -
N/A
app pub date -
Sep 28, 1987
filing date -
Sep 29, 1986
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method of producing an exhaust gas sensor incorporating BaSnO.sub.3. Stannate ion and barium ion are reacted in a strong alkali to precipitate water-containing crystals of BaSnO.sub.3 such as BaSnO.sub.3.3H.sub.2 O, BaSnO.sub.3.5H.sub.2 O or the like. When thermally decomposed, the precipitate gives BaSnO.sub.3 free from segregated Ba and Sn elements. The product was then molded and thereafter sintered to obtain the sensor.
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