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Patents

Multi-Layer Anti-Reflecting Coating

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By: KERRY PIANOFORTE

Editor, Coatings World, Coatings World

U.S. 8,541,062 B2
Guardian Industries Corp. has been awarded a patent for a method of making a multi-layer anti-reflective coating comprised of preparing at least two un-solgel precursor compositions, wherein each of the at least two un-solgel precursor compositions are comprised of at least one inorganic oxide precursor and at least one UV curable monomer; depositing a first coating layer of one of said un-solgel precursor compositions on a substrate; curing the first coating layer by exposing the first coating layer to electromagnetic radiation; depositing at least one additional coating layer of one of the un-solgel precursor compositions on the first cured coating layer; curing the at least one additional coating layer by exposing the at least one additional coating layer to electromagnetic radiation; and heating the cured coating layers to remove substantially all organic content and form a multi-layer anti-reflective coating.

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