Gas sensor
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United States of America Patent
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-
Aug 22, 2000
Grant Date -
N/A
app pub date -
Apr 15, 1999
filing date -
Sep 20, 1996
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Gas sensor materials composed of carbon mixture or metal-containing carbon mixture obtained as evaporated matter by arc discharge which occurs by passing an alternating current or a direct current with electric current density of 0.8 to 3.5 A/mm.sup.2 on discharge surfaces of carbon electrodes or metal-containing carbon electrodes in an inert gas under a pressure of 0.1 to 600 torr.
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