INFRARED FILTER
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United States of America Patent
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Issued Date -
Jan 29, 2015
app pub date -
Aug 23, 2013
filing date -
Jul 23, 2013
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Abstract
An infrared filter includes a transparent substrate, and an infrared-filtering multilayer film. The infrared-filtering multilayer film is coated on the transparent substrate, and the infrared-filtering multilayer film includes a plurality of first dielectric layers and a plurality of silver layers. The first dielectric layers and the silver layers are alternately stacked, wherein the first dielectric layers are made of nitride.
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