Metal based coating composition and related coated substrates
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Accused Products
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.
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Citations
55 Claims
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1-33. -33. (canceled)
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34. A coated substrate, comprising:
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a. a glass substrate; and
b. a coating composition over the glass substrate, comprising;
i. at least one metal based layer selected from tungsten, chromium, tantalum, molybdenum, aluminum, niobium, and mixtures and alloys thereof; and
alloys of cobalt and chromium; and
ii. at least one dielectric layer comprising SixNy, where x/y ranges from 0.75 to 1.5, over the metal based layer, wherein a non-heat treated, coated substrate as compared to a heat treated, coated substrate has a Δ
Ecmc (1.5;
1) (T), a Δ
Ecmc (1.5;
1) (R1) and a Δ
Ecmc (1.5;
1) (R2) no greater than 8 units - View Dependent Claims (35, 36, 37, 38, 39, 40, 41, 43)
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42. A coated substrate, comprising:
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a. a glass substrate; and
b. a coating composition over the glass substrate, comprising;
i. at least one metal based layer selected from tungsten, chromium, tantalum, molybdenum, aluminum, niobium, and mixtures and alloys thereof; and
alloys of cobalt and chromium; and
ii. at least one dielectric layer comprising SixNy, where x/y ranges from 0.75 to 1.5, over the metal based layer, wherein the dielectric layer is a multiple film configuration comprising (i) a first dielectric film comprising SixNy having an index of refraction;
(ii) a second dielectric film comprising silicon dioxide over the first dielectric film having an index of refraction lower than the index of refraction of the first dielectric film; and
(iii) a third dielectric film comprising SixNy over the second film. - View Dependent Claims (44)
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45. A coated substrate comprising:
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a. a glass substrate;
b. a first dielectric layer comprising SixNy, where x/y ranges from 0.75 to 1.5 over the substrate;
c. a metal based layer selected from tungsten, chromium, tantalum, molybdenum, aluminum and mixtures and alloys thereof; and
alloys of cobalt and chromium over the first dielectric layer; and
d. a second dielectric layer comprising SixNy, where x/y ranges from 0.75 to 1.5, over the metal based layer. - View Dependent Claims (46, 47, 48, 49)
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50. A coated substrate comprising:
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a. a first metal based layer selected from tungsten, chromium, tantalum, molybdenum, aluminum, niobium, and mixtures and alloys thereof; and
alloys of cobalt and chromium over a substrate;
b. an infrared reflective layer over the first metal based layer;
c. a second metal based layer selected from tungsten, chromium, tantalum, molybdenum, aluminum, niobium, and mixtures and alloys thereof; and
alloys of cobalt and chromium over the infrared reflective layer; and
d. a dielectric layer over the second metal based layer, wherein a non-heat treated, coated substrate as compared to a heat treated, coated substrate has a Δ
Ecmc (1.5;
1) (T), a Δ
Ecmc (1.5;
1) (R1) and a Δ
Ecmc (1.5;
1) (R2) no greater than or equal to 8 units - View Dependent Claims (51, 52)
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53. A method for making a coated substrate comprising:
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a. depositing a metal based layer selected from tungsten, chromium, tantalum, molybdenum, aluminum, niobium, and mixtures and alloys thereof; and
alloys of cobalt and chromium on a substrate;
b. depositing a dielectric layer comprising SixNy, where x/y ranges from 0.75 to 1.5, over the metal based layer; and
c. heating the coated substrate to a temperature of at least 621°
C. for up to 20 minutes, wherein the coated substrate after step c as compared to the coated substrate before step c has a Δ
Ecmc (1.5;
1) (T), a Δ
Ecmc (1.5;
1) (R1) and a Δ
Ecmc (1.5;
1) (R2) no greater than or equal to 8 units. - View Dependent Claims (54, 55)
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Specification