| 摘要 |
PURPOSE:To recover ineffective vapor and to improve the utilization efficiency of vapor by continuously feeding a strip-shaped evaporating substance to an evaporating vessel through the rear side of a material to be treated. CONSTITUTION:A strip-shaped evaporating substance 8 is continuously fed to an evaporating vessel 5 placed in a vacuum deposition tank 1 in accordance with the consumption of an evaporating substance 6 in the vessel 5. The substances 8, 6 are of the same kind. The substance 8 is fed to the vessel 5 through the rear side of a material 2 to be treated and vacuum deposition is carried out on the front side of the material 2. |
