PREHEELING METHOD AND PREHEELING DEVICE FOR METALIZED FILM

摘要

PROBLEM TO BE SOLVED: To reduce the charge amount of a metalized film in preheeling.SOLUTION: The preheeling method for a metalized film (21), formed with a metal film (23) on one face or both faces of a film body (22) by vapor deposition, includes a voltage application process for applying an AC voltage between the both faces of the metalized film (21) to melt an insulation defective part (25) for removal.