METHOD OF MAKING HEAT TREATED COATED ARTICLE USING DIAMOND-LIKE CARBON (DLC) COATING AND PROTECTIVE FILM, WITH OXYGEN CONTENT IN PROTECTIVE FILM DEFINED BASED ON BENDING CHARACTERISTICS OF COATED ARTICLE Russian patent published in 2012 - IPC C03C17/34 

FIELD: chemistry.

SUBSTANCE: invention relates to heat treated glass with a diamond-like coating. At least one layer containing diamond-like carbon is formed on the glass. A protective film is deposited on the layer of diamond-like carbon. If the glass has to be bent in a convex manner, the protective layer must be partially oxidised before the process and contain SnO_x, where x ranges from 0.5 to 1.3. If the glass has to be bent in a concave manner, the protective layer must have high content of oxygen and contain SnO_x, where x ranges from 0.85 to 2.1. Further, the glass with a layer containing diamond-like carbon, and the protective layer undergo heat treatment. Heat treatment involves heating the glass base to temperature sufficient for thermal tempering and/or hot bending. During the heating process, the protective layer is oxidised and SnO_x is converted to SnO_y, where y ranges from 1.6 to 2.2.

EFFECT: effective protection of the diamond-like coating from burn-out during the heat treatment process.

29 cl, 7 dwg