| abstract |
Protective glazing (1) comprising - A transparent in the visible spectral range glass or glass ceramic disc (3) with two opposite side surfaces (30, 32), and on at least one of the side surfaces (30, 32) a coating (5) which reflects infrared radiation, the coating (5) comprising a first layer (7) on the side surface (30, 32) and a second layer (9) which is applied to the first layer (7), and wherein the first layer (7) consists of a doped transparent conductive oxide and the second layer (9) consists of an X-ray amorphous oxide layer, characterized in that the first layer (7) a zinc oxide layer doped with aluminum, gallium or molybdenum, wherein the content of the dopant in the first layer (7) is between 0.5% and 6%. |