Coated glass surfaces and method for coating a glass substrate
First Claim
1. A system comprising a glass substrate and a coating applied to the glass substrate, the coating comprising a plurality of layers, wherein at least one of the layers includes a Nickel-Chromium-Molybdenum superalloy and at least two additional layers include silver, wherein the superalloy comprises about 58% or more Ni, about 20 to about 23% Cr, about 8 to about 10% Mo, about 3.15 to about 4.15% Nb+Ta and a maximum of about 5% Fe by weight, wherein the system has an emissivity of about 0.030 to about 0.039, and wherein the system has a bh color coordinate value of about −
- 7 to about −
11 as measured in Hunter Lab color space.
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Accused Products
Abstract
A substrate having a coating is disclosed. The coating is formed of a plurality of layers. At least one of the layers includes a super alloy and at least two additional layers including silver. A coating for a substrate is also disclosed. A method of applying a coating to a substrate is further disclosed.
43 Citations
31 Claims
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1. A system comprising a glass substrate and a coating applied to the glass substrate, the coating comprising a plurality of layers, wherein at least one of the layers includes a Nickel-Chromium-Molybdenum superalloy and at least two additional layers include silver, wherein the superalloy comprises about 58% or more Ni, about 20 to about 23% Cr, about 8 to about 10% Mo, about 3.15 to about 4.15% Nb+Ta and a maximum of about 5% Fe by weight, wherein the system has an emissivity of about 0.030 to about 0.039, and wherein the system has a bh color coordinate value of about −
- 7 to about −
11 as measured in Hunter Lab color space. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
- 7 to about −
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9. A substrate coating on a glass substrate, the substrate coating comprising a plurality of layers on the glass substrate, the plurality of layers comprising:
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a first layer comprising a metal oxide having a thickness ranging from about 360 to about 400 angstroms, a second layer comprising a Nickel-Chromium-Molybdenum superalloy wherein the superalloy comprises about 58% or more Ni, about 20 to about 23% Cr, about 8 to about 10% Mo, about 3.15 to about 4.15% Nb+Ta and a maximum of about 5% Fe by weight, and a third layer comprising silver, wherein the second layer comprising the superalloy is between the first layer comprising the metal oxide and third layers comprising silver in the plurality of layers on the glass substrate, and wherein the substrate coating on a glass substrate has a bh color coordinate value of about −
7 to about −
11 as measured in Hunter Lab color space. - View Dependent Claims (10, 13)
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11. A glass unit comprising a glass substrate and a coating comprising a plurality of layers on the glass substrate, the plurality of layers comprising:
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a metal oxide layer comprising a metal oxide, a superalloy layer comprising a Nickel-Chromium-Molybdenum superalloy, wherein the superalloy comprises about 58% or more Ni, about 20 to about 23% Cr, about 8 to about 10% Mo, about 3.15 to about 4.15% Nb+Ta and a maximum of about 5% Fe by weight, and a silver layer, wherein the superalloy layer is between the metal oxide layer and the silver layer in the plurality of layers on the glass substrate, and wherein the glass unit has a bh color coordinate value of about −
7 to about −
11 as measured in Hunter Lab color space. - View Dependent Claims (12)
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14. An article comprising a glass substrate and a coating applied to the glass substrate, the coating comprising a plurality of layers, from the glass substrate outwardly:
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a) a bottom layer comprising a metal oxide layer and having a thickness ranging from about 360 to about 400 angstroms; b) a superalloy layer comprising a Nickel-Chromium-Molybdenum superalloy, having a thickness ran in from about 30 to about 150 angstroms wherein the superalloy comprises about 58% or more Ni, about 20 to about 23% Cr, about 8 to about 10% Mo, about 3.15 to about 4.15% Nb+Ta and a maximum of about 5% Fe by weight; c) a first silver layer having a thickness ranging from about 80 to about 150 angstroms; d) a middle metal oxide layer having a thickness ranging from about 550 to about 700 angstroms; e) a second silver layer having a thickness ranging from about 80 to about 150 angstroms; f) a top metal oxide layer having a thickness ranging from about 110 to about 140 angstroms; and wherein the article has an emissivity of about 0.030 to about 0.039 and a bh color coordinate value of about −
7 to about −
11 as measured in Hunter Lab color space. - View Dependent Claims (15)
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16. An article comprising a glass substrate and a coating applied to the glass substrate, the coating comprising a plurality of layers including:
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one or more metal oxide layers; one or more silver layers; and at least one Nickel-Chromium-Molybdenum superalloy layer, wherein the superalloy comprises about 58% or more Ni, about 20 to about 23% Cr, about 8 to about 10% Mo, about 3.15 to about 4.15% Nb+Ta and a maximum of about 5% Fe by weight, therebetween; wherein the article has a bh color coordinate value of about −
7 to about −
11 as measured in Hunter Lab color space, and an emissivity of about 0.030 to about 0.039. - View Dependent Claims (17, 18, 19, 20)
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21. An insulating glass unit comprised of:
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at least two substantially parallel, spaced sheets of glass, said two sheets of glass being sealed together at their peripheral edges thereby to define an insulating chamber therebetween, a coating applied to a surface of one of said glass sheets within said insulating chamber, wherein said coating comprises a plurality of layers, and wherein the plurality of layers includes; a bottom metal oxide layer having a thickness ranging from about 360 to about 400 angstroms; a superalloy layer comprising a Nickel-Chromium-Molybdenum superalloy, wherein the superalloy comprises about 58% or more Ni, about 20 to about 23% Cr, about 8 to about 10% Mo, about 3.15 to about 4.15% Nb+Ta and a maximum of about 5% Fe by weight; and at least one and no more than two silver layers; wherein the superalloy layer is between the bottom metal oxide layer and at least one of the silver layers in the plurality of layers on the surface of the sheet of glass to which the coating is applied, wherein the insulating glass unit has an SHGC (or solar heat gain coefficient) of about 0.140 to about 0.300, a bh color coordinate value of about −
7 to about −
11 as measured in Hunter Lab color space, and an emissivity of about 0.030 to about 0.039. - View Dependent Claims (22, 23, 24)
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25. An article comprising:
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a glass substrate having a pair of major surfaces; and a coating applied to at least one of the major surfaces of the glass substrate, the coating comprising a plurality of layers including; at least one metal oxide layer having a thickness ranging from about 360 to about 400 angstroms; at least one and no more than two silver layers; and a superalloy layer comprising a Nickel-Chromium-Molybdenum superalloy, wherein the superalloy comprises about 58% or more Ni, about 20 to about 23% Cr, about 8 to about 10% Mo, about 3.15 to about 4.15% Nb+Ta and a maximum of about 5% Fe by weight; wherein the superalloy layer is between the metal oxide layer and at least one of the silver layers in the plurality of layers on the glass substrate; and wherein the color coordinate values of the article from a direction that is substantially normal to the coated major surface are substantially equal to the color coordinate values from directions that are acute to the coated major surface, and an emissivity of about 0.030 to about 0.039; and
wherein the article has a bh color coordinate value of about −
7 to about −
11 as measured in Hunter Lab color space.
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26. A method of coating a glass substrate, the coating comprising a plurality of layers, wherein at least one of the layers includes a Nickel-Chromium-Molybdenum superalloy material and at least two additional layers include silver materials, wherein the superalloy material comprises about 58% or more Ni, about 20 to about 23% Cr, about 8 to about 10% Mo, about 3.15 to about 4.15% Nb+Ta and a maximum of about 5% Fe by weight, wherein the coated glass substrate has a bh color coordinate value of about −
- 7 to about −
11 as measured in Hunter Lab color space, the method comprising;applying a bottom oxide layer to the glass substrate by sputtering; applying a layer comprising the Nickel-Chromium-Molybdenum superalloy material by sputtering; applying a layer comprising a first layer of silver material by sputtering; applying a first barrier layer comprising titanium by sputtering; Applying a middle oxide layer by sputtering; applying a layer comprising a second layer of silver material by sputtering, applying a second barrier layer comprising titanium by sputtering; applying a top oxide layer by sputtering. - View Dependent Claims (27, 28, 29, 30, 31)
- 7 to about −
Specification