Metal based coating composition and related coated substrates
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United States of America Patent
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Issued Date -
Mar 2, 2006
app pub date -
Sep 1, 2004
filing date -
Sep 1, 2004
priority date (Note) -
Abandoned
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Abstract
A coated substrate is disclosed. The coated substrate includes a substrate and a coating composition over the substrate comprising at least one metal based layer selected from tungsten, chromium, tantalum, molybdenum, aluminum, niobium, and mixtures and alloys thereof; and mixtures and alloys of cobalt and chromium; and at least one dielectric layer including Si.sub.xN.sub.y, where x/y ranges from 0.75 to 1.5, over the metal based layer. The .DELTA.E.sub.cmc(1.5:1) (T), .DELTA.E.sub.cmc(1.5:1) (R1) and .DELTA.E.sub.cmc(1.5:1) (R2) of a non-heat treated, coated substrate as compared to a heat treated, coated substrate according to the present invention are no greater than 8 units.
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