| 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 wherein the coating (5) comprises a first layer (7) on the side surface (30, 32) and a second layer (9) which is deposited on the first layer (7), and wherein the first layer (7) consists of a doped transparent conductive oxide and the second layer consists of an X-ray amorphous oxide or nitride layer. |