US Patent 7922975 Resonant sensor capable of wireless interrogation
Patent 7922975 was granted and assigned to University of Dayton on April, 2011 by the United States Patent and Trademark Office.
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A resonant sensor for detecting a specific environmental analyte is presented. The resonant sensor comprises a top conductive layer of two ground conductors and a center signal line, a bottom conductive layer of two ground lines shunted together by a shunt line and a sensing layer positioned between the top conductive layer and the bottom conductive layer. A capacitor is created by the overlap of the center signal line of the top conductive layer and the shunt line of the bottom conductive layer. Electrical properties of the sensing layer change in response to binding the specific environmental analyte with the sensing layer. The sensing layer can be an electro-optic polymer. Nanoparticles or carbon nanotubes can be dispersed within the sensing layer to bind with the specific environmental analyte. An integrated antenna can be incorporated into to sensor to receive radio frequencies for wireless, passive sensing.
US Patent 07922975 Resonant sensor capable of wireless interrogation US Patent 7922975 Resonant sensor capable of wireless interrogation
US Patent 07922975 Resonant sensor capable of wireless interrogation
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