| 摘要 |
A line evaporator is described having all round thermal insulation, radiant heaters and radiation shields which are provided with a number of vapour exit orifices in the direction of a substrate to be coated, the radiant heaters being formed substantially flat and each being arranged beneath an upper radiation shield and within its screening range and running parallel to the surface of the material to be evaporated, the exit orifices directed at the material to be evaporated being provided between the radiant heaters. <IMAGE> |
