Gas sensor using nanotubes
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United States of America Patent
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Oct 29, 2013
Grant Date -
Jan 12, 2012
app pub date -
Jul 9, 2010
filing date -
Jul 9, 2010
priority date (Note) -
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Abstract
Techniques are generally described for detecting a concentration level of at least one gas. Some example devices may include a sensor including conductive plate on a surface of dielectric including a nanotube layer formed thereon. The conductive plate and the nanotube layer form a resonator that resonates at a frequency in response to an interrogation signal. The nanotube layer may be configured to associate with one or more gas molecules. The frequency at which the resonator resonates may shift according to which gas molecules are associated with the nanotube layer to identify a particular gas. An amount of resonance may be exhibited as a resonant response signal. An amplitude of the resonant response signal may be indicative of the concentration level of the detected gas.
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