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Method of making coated articles and coated articles made thereby

  • US 6,869,644 B2
  • Filed: 10/22/2001
  • Issued: 03/22/2005
  • Est. Priority Date: 10/24/2000
  • Status: Expired due to Term
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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