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Optically coated article and method for its preparation

United States Patent Application

View the Complete Application at the US Patent & Trademark Office
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An optically coated article comprising a polymeric substrate, such as aromatic polycarbonate, and a plurality of optical coating layers comprising alternate layers of silicon dioxide and amorphous hydrogenated silicon or variations thereof, produced by plasma enhanced chemical vapor deposition. The article is characterized by essentially constant optical characteristics over a wide temperature range.
Dalakos, George Theodore (Niskayuna, NY)
General Electric Company
09/ 939,274
August 24, 2001
[0001] The United States Government may have certain rights in this invention pursuant to Contract No. DE-AC38-83CH-10093, awarded by the United States Department of Energy.