Patent ID: 8518475
Filing Date: 2013-08-27
Classification: C03C,Y10T

Abstract:
1. A method of making a heat treated coated article, the method comprising: heat treating a coated glass substrate in a manner sufficient for thermally tempering the glass substrate, said coated glass substrate comprising a coating supported by the glass substrate where the coating comprises a layer comprising zirconium nitride and a layer comprising hydrogenated diamond-like carbon (DLC) provided over at least the layer comprising zirconium nitride; and wherein because of said heat treating the layer comprising hydrogenated DLC is subject to combustion and/or burns off and the layer comprising zirconium nitride transforms into a heat treated layer comprising zirconium oxide, and wherein after said heating treating said layer comprising zirconium oxide is an outermost layer of the heat treated coated article.