Spandrel coating and method
First Claim
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1. A coated article for use in spandrel applications, the coated article comprising:
- a glass substrate;
a layer comprising titanium oxide provided on the glass substrate;
a layer comprising silicon nitride provided on the glass substrate and located directly over and directly contacting the layer comprising titanium oxide;
a colored opaque layer provided on the glass substrate over at least the layer comprising titanium oxide and the layer comprising silicon nitride; and
wherein the coated article is thermally tempered prior to application of the colored opaque layer and has a Δ
E*g value of no more than 6.0 due to the thermal tempering.
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Abstract
A coated article for use in spandrel applications and/or the like is provided. In certain example embodiments, a coating is provided to have a coating design which permits the coating to realize more predictable and/or consistent optical characteristics such as glass side reflectance, color and/or the like. Certain example embodiments of this invention relate to a method of making a coated article for spandrel applications or the like. In certain embodiments, a powder inclusive lacquer coating is used as an overcoat.
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Citations
21 Claims
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1. A coated article for use in spandrel applications, the coated article comprising:
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a glass substrate;
a layer comprising titanium oxide provided on the glass substrate;
a layer comprising silicon nitride provided on the glass substrate and located directly over and directly contacting the layer comprising titanium oxide;
a colored opaque layer provided on the glass substrate over at least the layer comprising titanium oxide and the layer comprising silicon nitride; and
wherein the coated article is thermally tempered prior to application of the colored opaque layer and has a Δ
E*g value of no more than 6.0 due to the thermal tempering. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A coated article comprising:
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a glass substrate;
a layer comprising titanium oxide provided on the glass substrate;
a layer comprising silicon nitride provided on the glass substrate and located directly over and directly contacting the layer comprising titanium oxide;
a colored opaque layer provided on the glass substrate over at least the layer comprising titanium oxide and the layer comprising silicon nitride.
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9. A method of making a spandrel panel, the method comprising:
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providing a glass substrate;
sputter-depositing a layer comprising titanium oxide on the glass substrate;
sputter-depositing a layer comprising silicon nitride on the glass substrate over at least the layer comprising titanium oxide;
thermally tempering the glass substrate with the layers comprising titanium oxide and silicon nitride thereon, so that the article has a Δ
E*g value of no more than 6.0 due to the thermal tempering; and
after said thermal tempering, applying an opaque overcoat layer on the substrate over at least the layers comprising titanium oxide and silicon nitride. - View Dependent Claims (10, 11, 12, 13, 14, 15)
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16. A method of making a spandrel panel, the method comprising:
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providing a glass substrate;
sputter-depositing a first dielectric layer on the glass substrate;
sputter-depositing a second dielectric layer on the glass substrate over at least the first dielectric layer;
thermally tempering the article including the glass substrate with the first and second dielectric layers thereon to produce a tempered article;
applying a primer layer on the tempered article, and then applying a powder paint over at least the primer layer. - View Dependent Claims (17, 18, 19, 20, 21)
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Specification