Low sparkle anti-glare glass-based articles with reduced warp and methods of reducing warp in anti-glare glass-based articles
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United States of America Patent
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Aug 31, 2021
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app pub date -
Feb 9, 2018
filing date -
Feb 14, 2017
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Abstract
Anti-glare glass-based articles and methods of processing a glass based article to reduce warp are disclosed. A method for processing a glass-based article includes etching a first surface of the glass article to create a first anti-glare surface having a plurality of first anti-glare features and etching a second surface of the glass-based article to create a second anti-glare surface having a plurality of second anti-glare features. At least one of a length, a width, and a diagonal of the glass-based article is greater than or equal to 500 mm. A difference of warp between a first warp value before etching the first surface and the second surface and a second warp value after etching the first surface and the second surface is less than or equal to 0.15 mm across each of one or more 500 mm intervals of length, width, or diagonal of the glass-based article.
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