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Haze-resistant low-emissivity coatings

  • US 20070237980A1
  • Filed: 03/30/2006
  • Published: 10/11/2007
  • Est. Priority Date: 03/31/2005
  • Status: Active Grant
First Claim
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1. A sheet-like substrate having first and second general-opposed major surfaces, at least one of the major surfaces bearing a low-emissivity coating, the coating comprising, in sequence, from the substrate outwardly:

  • a) an inner dielectric layer;

    b) a first infrared-reflective layer;

    c) a middle coat comprising a first zinc tin oxide film region, a tin oxide film region, and a second zinc tin oxide film region, wherein said tin oxide film region is positioned between said first and second zinc tin oxide film regions;

    d) a second infrared-reflective layer; and

    e) an outer dielectric layer.

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