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SOLAR CONTROL LOW-EMISSIVITY COATINGS

  • US 20090047466A1
  • Filed: 08/14/2007
  • Published: 02/19/2009
  • Est. Priority Date: 08/14/2007
  • Status: Active Grant
First Claim
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1. A transparent substrate bearing a solar control low-emissivity coating, the coating comprising:

  • an innermost infrared-reflective film comprising silver and an outermost infrared-reflective film comprising silver;

    a first dielectric absorber film between the substrate and the innermost infrared-reflective film, the first dielectric absorber film having a neutral absorption ratio of k380<

    λ

    <

    450 nm
    /k650<

    λ

    <

    760 nm
    between 0.52 and 1.9; and

    a second dielectric absorber film further from the substrate than the outermost infrared-reflective film, the second dielectric absorber film having a neutral absorption ratio of k380<

    λ

    <

    450 nm
    /k650<

    λ

    <

    760 nm
    between 0.52 and 1.9.

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