Low-E coating system including protective DLC
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United States of America Patent
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Sep 10, 2002
Issued Date -
N/A
app pub date -
Oct 30, 2000
filing date -
May 3, 1999
priority date (Note) -
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Abstract
A substrate is coated with a low-E coating system including at least one infrared (IR) reflective layer. A diamond-like carbon (DLC) inclusive protective coating system (e.g., including at least one highly tetrahedral amorphous carbon (ta-C) inclusive layer having sp.sup.3 carbon-carbon bonds) is provided on the substrate over at least the IR reflective layer in order to make the low-E coating system scratch resistant, abrasion resistant, and generally mechanically durable. The DLC inclusive protective coating system may be hydrophobic, hydrophillic, or neutral in different embodiments of the invention. Optionally, at least one fluoro-alkyl silane (FAS) compound inclusive layer may be provided on the substrate over at least one of the DLC inclusive layer(s) in hydrophobic embodiments in order to increase contact angle .theta. of the coated article.
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