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Opposed functional coatings having comparable single surface reflectances

  • US 7,989,094 B2
  • Filed: 04/16/2007
  • Issued: 08/02/2011
  • Est. Priority Date: 04/19/2006
  • Status: Active Grant
First Claim
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1. A sheet-like pane having generally opposed first and second major surfaces, the first major surface bearing a low-maintenance coating, the second major surface bearing a low-emissivity coating, wherein one of the low-maintenance coating and the low-emissivity coating has a single surface reflectance that is less than 3 times, and more than one-third, that of the other coating, wherein the low-emissivity coating includes an infrared-reflecting film comprising silver, and the low-maintenance coating includes a silicon-containing base film having a thickness of less than 100 angstroms and a titanium-containing film having a thickness of less than 50 angstroms.

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