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METHOD OF MAKING COATED ARTICLE INCLUDING ANTI-REFLECTION COATING WITH DOUBLE COATING LAYERS INCLUDING MESOPOROUS MATERIALS, AND PRODUCTS CONTAINING THE SAME

  • US 20130194668A1
  • Filed: 12/13/2012
  • Published: 08/01/2013
  • Est. Priority Date: 01/30/2012
  • Status: Abandoned Application
First Claim
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1. A method of making an anti-reflection coating, the method comprising:

  • forming a first intermediate layer on a glass substrate by wet-applying a sol comprising at least silica and a surfactant on a glass substrate;

    initially heating the glass substrate with the first intermediate layer thereon to a first temperature, and subsequently heating the glass substrate with the first intermediate layer thereon to a second temperature, wherein the second temperature is higher than the first temperature;

    forming a second intermediate layer by wet-applying a sol comprising nanoparticles over and contacting the first intermediate layer; and

    curing the first and second intermediate layers so as to form an anti-reflection coating comprising at least first and second layers having first and second porosities from the first and second intermediate layers, respectively,wherein the second porosity is greater than the first porosity.

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