Filter-Compatible Transparent Conductive Coatings
May 2008
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Transparent conductive coatings can be used in the visible and near-infrared (NIR) spectral ranges. This new family of transparent coatings is compatible with the company’s dichroic filter technology, enabled by the patented Microdynâ sputtering process. This proprietary technology yields high-performance, highly uniform, transparent conductive filters that remain extremely stable while withstanding high thermal loads and changes in humidity. The new conductive coatings, with indium tin oxide, induced transmission silver, and induced transmission gold, all deliver high transmission within selected wavelength ranges from 400 to 2500 nm. They can be applied onto a wide variety of substrates, including silicon, germanium, zinc sulfide, zinc selenide, and most glass types that are compatible with the visible to near-infrared spectral regions. The new visible and NIR transparent conductive filters are suited for a variety of tasks, from antistatic applications with sheet resistances of megaohms per square, to EMI shielding with sheet resistances as low as a few ohms per square. Deposition Sciences Inc. (DSI),

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