Metal based coating composition and related coated substrates

Details Metal based coating composition and related coated substrates Metal based coating composition and related coated substrates

2011-04-12

2011-04-12

McNeil, Jennifer C (Department: 1784)

Stock material or miscellaneous articles

Composite

Of inorganic material

C428S428000, C428S432000, C428S698000, C428S699000, C428S702000

Reexamination Certificate

active

07923131

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 SixNy, where x/y ranges from 0.75 to 1.5, over the metal based layer. The ΔEcmc (1.5:1)(T), ΔEcmc (1.5:1)(R1) and ΔEcmc (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.

REFERENCES:
patent: 2002/0037414 (2002-03-01), Cunningham
patent: 2002/0064662 (2002-05-01), Lingle et al.
patent: 2002/0102352 (2002-08-01), Hartig et al.
patent: 2003/0165693 (2003-09-01), Hartig et al.
patent: 2 037 563 (1995-06-01), None
patent: 949432 (1982-08-01), None

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