| 摘要 |
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>x</SUB>N<SUB>y</SUB>, where x/y ranges from 0.75 to 1.5, over the metal based layer. The DeltaE<SUB>cmc(1.5:1) </SUB>(T), DeltaE<SUB>cmc(1.5:1) </SUB>(R1) and DeltaE<SUB>cmc(1.5:1) </SUB>(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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