ANTI-REFLECTIVE COATINGS AND METHODS OF MAKING THE SAME
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United States of America Patent
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Jun 23, 2011
app pub date -
Dec 6, 2010
filing date -
Dec 22, 2009
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Abstract
The present invention is directed to anti-reflective coatings and methods of making the same. More specifically, the present invention is directed to porosity graded anti-reflective coatings that are made by methods that comprise preparing a liquid composition with specific amounts of tetraethyl orthosilicate, polyethylene glycol, hydrochloric acid, ethanol, butanol and water; applying the liquid composition onto a surface of a heated substrate; and heating the coated glass system to a temperature higher than that of the heated substrate.
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