Electrochromic infrared tunable filter and emissivity modulator
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United States of America Patent
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Sep 4, 2007
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N/A
app pub date -
Aug 18, 2006
filing date -
Jun 20, 2006
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Abstract
An electrochromic device is usable for tuning and modulating infrared radiation in a spectral region comprising wavelengths between approximately 1 and 30 microns. This device comprises a plurality of thin films successively deposited on a substrate. The first of these films is a substrate electrode deposited on a suitably prepared substrate. A plurality of active layers comprising at least an electrochromic layer, an electrolyte layer and an ion storage layer and a substantially transparent metal layer are then preferably deposited on the substrate electrode. The preferred active layers are characterized by a transmittance that is selectively controllable by applying a voltage across the plurality of active layers.
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