Method and apparatus for enhancing detection characteristics of a chemical sensor system
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United States of America Patent
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Issued Date -
Jan 7, 2010
app pub date -
Jul 1, 2008
filing date -
Jul 1, 2008
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Abandoned
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Abstract
A method and apparatus for increasing detection characteristics of a chemical sensor array that has been previously exposed to an agent in order to detect and categorize the agent. Ultraviolet light at a predetermined wavelength is applied to the chemical sensor array, in order to desorb the agent from the chemical sensor array, so as to increase a resistance of the chemical sensor array. Alternatively or together with the ultraviolet light, a bias voltage is applied to at least one biasing electrode making up the chemical sensor array, in order to desorb the agent from the chemical sensor array, so as to increase the resistance of the chemical sensor array. The chemical sensor array may be a carbon nanotube sensor array.
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