Coated and Planarised Polymeric Films
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United States of America Patent
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Issued Date -
May 5, 2011
app pub date -
Apr 17, 2009
filing date -
Apr 17, 2008
priority date (Note) -
Abandoned
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Abstract
A composite film comprising a polymeric substrate and a planarising coating layer wherein the surface of the planarised substrate exhibits an Ra value of less than 0.7 run and/or an Rq value of less than 0.9 nm, and wherein the composite film further comprises a gas-permeation barrier deposited by atomic layer deposition on a planarised surface of the substrate; an electronic device comprising said composite film; and processes for the production thereof.
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