Heat treatable coated article with niobium zirconium inclusive IR reflecting layer and method of making same
First Claim
1. A coated article including a layer system supported by a substrate, the layer system comprising:
- a first dielectric layer;
a layer comprising niobium zirconium provided on the substrate over at least the first dielectric layer;
a second dielectric layer provided on the substrate over at least the layer comprising niobium zirconium; and
wherein the layer comprising niobium zirconium has an index of refraction “
n”
of from 2.0 to 3.0, an extinction coefficient “
k”
of from 2.0 to 3.5, and comprises from about 0.1 to 60% Zr.
2 Assignments
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Accused Products
Abstract
A coated article is provided so as to include a solar control coating having an infrared (IR) reflecting layer sandwiched between at least a pair of dielectric layers. The IR reflecting layer includes NbZr and/or NbZrNx in certain embodiments of this invention. The use of such materials as an IR reflecting layer(s) enables the coated article to have good corrosion resistance to alkaline solutions, good mechanical performance such as scratch resistance, and/or good color stability (i.e., a low ΔE* value(s)) upon heat treatment (HT). The coated article may or may not be heat treated in different embodiments of the invention.
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Citations
70 Claims
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1. A coated article including a layer system supported by a substrate, the layer system comprising:
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a first dielectric layer;
a layer comprising niobium zirconium provided on the substrate over at least the first dielectric layer;
a second dielectric layer provided on the substrate over at least the layer comprising niobium zirconium; and
wherein the layer comprising niobium zirconium has an index of refraction “
n”
of from 2.0 to 3.0, an extinction coefficient “
k”
of from 2.0 to 3.5, and comprises from about 0.1 to 60% Zr. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 16, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 62, 63)
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15. A coated article including a layer system supported by a substrate, the layer system comprising:
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a first dielectric layer;
a layer comprising niobium zirconium provided on the substrate over at least the first dielectric layer;
a second dielectric layer provided on the substrate over at least the layer comprising niobium zirconium; and
wherein the layer system further comprises an overcoat comprising zirconium oxide.
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17. A coated article including a layer system supported by a substrate, the layer system comprising:
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a first dielectric layer;
a layer comprising niobium zirconium provided on the substrate over at least the first dielectric layer;
a second dielectric layer provided on the substrate over at least the layer comprising niobium zirconium; and
wherein the layer comprising niobium zirconium is nitrided so as to be represented by (Nb+Zr)xNy, where the ratio y/x is from 0.2 to 0.9. - View Dependent Claims (18)
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19. A coated article including a layer system supported by a substrate, the layer system comprising:
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a first dielectric layer;
a layer comprising niobium zirconium provided on the substrate over at least the first dielectric layer;
a second dielectric layer provided on the substrate over at least the layer comprising niobium zirconium; and
wherein in the layer comprising niobium zirconium the ratio of zirconium to niobium (Zr/Nb) is from about 0.001 to 1.0. - View Dependent Claims (20, 21, 64, 65, 66, 67, 68, 69, 70)
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22. A coated article including a layer system supported by a substrate, the layer system comprising:
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a first dielectric layer;
a layer comprising niobium zirconium provided on the substrate over at least the first dielectric layer;
a second dielectric layer provided on the substrate over at least the layer comprising niobium zirconium; and
wherein the layer comprising niobium zirconium includes from about 0.1 to 60% zirconium. - View Dependent Claims (23)
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36-47. -47. (Canceled)
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48. A coated article including a layer system supported by a glass substrate, the layer system comprising:
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a layer comprising niobium zirconium supported by the substrate; and
wherein the layer comprising niobium zirconium has an index of refraction “
n”
of from 2.0 to 3.0, an extinction coefficient “
k”
of from 2.0 to 3.5, and comprises from about 0.1 to 60% Zr. - View Dependent Claims (49, 50, 51, 53, 54, 55, 56, 57, 58, 59, 60, 61)
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52. (Canceled)
Specification