CPC G01N 33/0047 (2013.01) [B23K 26/362 (2013.01); C23C 14/228 (2013.01); C23C 14/5873 (2013.01); G01N 3/00 (2013.01); G01N 27/045 (2013.01); G01N 27/30 (2013.01); G01N 33/0011 (2013.01); G01R 1/06755 (2013.01); B23K 2101/36 (2018.08); G01N 2027/222 (2013.01)] | 9 Claims |
1. An ethylene sensor, comprising:
a substrate;
a gold layer formed on the substrate, the gold layer being divided into first and second regions by a channel containing an ethylene selective material, the ethylene selective material having an elemental composition of K0.003Au0.008Mg0.009Ca0.015Si0.11Na0.175O0.68; and
an ohmmeter connected to the first and second regions to measure resistance between the regions, a variation in the measured resistance indicating presence of ethylene gas varying impedance of the channel.
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