Measuring and testing – Gas analysis – Detector detail
Reexamination Certificate
2007-09-14
2009-12-15
Larkin, Daniel S (Department: 2856)
Measuring and testing
Gas analysis
Detector detail
Reexamination Certificate
active
07631540
ABSTRACT:
A gas sensor is disclosed, which includes two separate metal electrodes on a surface of a substrate and a semiconductor thin film deposited on the surface of the substrate and connecting the two metal electrodes. The semiconductor thin film contains zinc oxide or a mixed oxide of zinc and indium, and the zinc oxide or the mixed oxide of zinc and indium are in the form of nanowires which constitute a gas-sensing surface of the semiconductor thin film. The nanowires have a diameter of 50-900 nm. The present invention also discloses a method for detecting the presence of a NOx gas.
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Paul Horowitz and Winfield Hill, The Art of Electronics, 2nd ed., 1995, pp. 4-9.
Chen I-Cherng
Chueh Miao-Ju
Huang Yih-Shiaw
Shih Tung-Sheng
Su Pi-Guey
Bacon & Thomas PLLC
Industrial Technology Research Institute
Larkin Daniel S
LandOfFree
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