ELECTRIC DISCHARGE TREATMENT DEVICE

摘要

PROBLEM TO BE SOLVED: To improve a treatment effect by preventing the entrance of oxygen into a treatment chamber along with a treatment object such as a film. SOLUTION: A nozzle 17 for controlling oxygen is installed in the neighbourhood of the inlet in the treatment chamber 8, and nitrogen gas is ejected from the nozzle 17 toward the film 1 in the shape of a knife to prevent the entrance of oxygen along with the film 1.