The transmittance of a glass plate with a transparent conducting coating of a material like indium tin oxide (ITO) can be enhanced by depositing a thin film of a material like silicon dioxide (whose thickness need not be tightly controlled) on top of the transparent conducting coating, avoiding the necessity of designing and depositing a complex multilayer antireflection coating on the opposite surface of the glass plate. The theory behind this performance of the silicon dioxide film and some actual experimental results have been reported.
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