Non-attenuating light collimating articles for graphic arts
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United States of America Patent
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May 14, 2013
Grant Date -
May 15, 2008
app pub date -
Nov 14, 2007
filing date -
Nov 14, 2006
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Abstract
Various systems and methods are provided for non-attenuating light collimating articles. In one embodiment, among others, a phototool comprises a substrate; and a microstructured surface disposed on a first surface of the substrate, the microstructured surface comprising a plurality of light collimating articles.
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