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Method of making coated article including ion beam treatment of metal oxide protective film

  • US 20080199702A1
  • Filed: 11/19/2007
  • Published: 08/21/2008
  • Est. Priority Date: 01/29/2007
  • Status: Active Grant
First Claim
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1. A method of making a heat treated coated article, the method comprising:

  • providing a glass substrate;

    forming at least one layer comprising diamond-like carbon (DLC) on the glass substrate;

    forming a protective film comprising zinc oxide on the glass substrate over at least the layer comprising DLC,ion beam treating the protective film comprising zinc oxide with at least carbon ions;

    heat treating the glass substrate with the layer comprising DLC and the protective film thereon so that during the heat treating the protective film prevents significant burnoff of the layer comprising DLC, wherein the heat treating comprises heating the glass substrate to temperature(s) sufficient for thermal tempering, heat strengthening, and/or heat bending; and

    exposing the protective film to a release liquid and removing at least part of the protective film during and/or after said heat treating.

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