Method of making coated articles and coated articles made thereby
First Claim
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1. A method of making a coated substrate, comprising:
- providing a substrate having a functional coating including one or more infrared reflective films comprising a reflective metal with a first emissivity value; and
depositing a coating material comprised of 35 wt. % to 100 wt. % alumina and 0 wt. % to 65 wt. % silica having a second emissivity value over at least a portion of the functional coating to provide a coating stack having an emissivity value greater than the emissivity value of the functional coating.
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Abstract
A method of making a coated substrate includes providing a substrate having a functional coating with a first emissivity value; depositing a coating material having a second emissivity value over at least a portion of the functional coating prior to heating to provide a coating stack having an emissivity value greater than the emissivity value of the functional coating; and heating the coated substrate.
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Citations
10 Claims
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1. A method of making a coated substrate, comprising:
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providing a substrate having a functional coating including one or more infrared reflective films comprising a reflective metal with a first emissivity value; and
depositing a coating material comprised of 35 wt. % to 100 wt. % alumina and 0 wt. % to 65 wt. % silica having a second emissivity value over at least a portion of the functional coating to provide a coating stack having an emissivity value greater than the emissivity value of the functional coating. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A method of making a coated substrate, comprising:
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providing a substrate having a functional coating with a first emissivity value; and
depositing a coating material comprised of 75 wt. % to 85 wt. % alumina and 15 wt. % to 25 wt. % silica having a second emissivity value over at least a portion of the functional coating to provide a coating stack having an emissivity value greater than the emissivity value of the functional coating.
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10. A method of making a coated substrate, comprising:
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providing a substrate having a functional coating with a first emissivity value; and
depositing a coating material comprised of 86 wt. % to 90 wt. % alumina and 10 wt. % to 14 wt. % silica having a second emissivity value over at least a portion of the functional coating to provide a coating stack having an emissivity value greater than the emissivity value of the functional coating.
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Specification