摘要 |
A glazing panel carrying a coating stack comprises in sequence at least:a glass substratea base antireflective layeran infra-red reflecting layer, anda top antireflective layerin which at least one of the antireflective layers comprises at least one mixed nitride layer which is a mixture of Al and at least one additional material X, in which the atomic ratio X/Al is greater than or equal to 0.05 and in which X is one or more of the materials selected from the group comprising the elements of Groups 3a, 4a, 5a, 4b, 5b, 6b, 7b, 8 of the periodic table. The glazing panel is particularly suitable for heat treatment and incorporation in windscreens. |