Patent ID: 8440255
Filing Date: 2013-05-14
Classification: C03C,Y10T

Abstract:
1. A method of making a heat treated coated article, the method comprising: heat treating a coated glass substrate, the coated glass substrate comprising, prior to the heat treating, a glass substrate, a layer comprising diamond-like carbon (DLC) on the glass substrate, and a protective film on the glass substrate over at least the layer comprising DLC, wherein the protective film includes a release layer comprising an oxide of zinc and an oxygen barrier layer comprising aluminum nitride; during said heat treating of the coated glass substrate with the layer comprising DLC and the protective film thereon, the protective film prevents significant burnoff of the layer comprising DLC, and wherein said heat treating comprises heating the glass substrate to temperature(s) sufficient for thermal tempering; and removing at least part of the protective film during and/or after said heat treating.