| 摘要 |
PURPOSE:To enhance peeling resistance of a fluororesin film and an adhesive layer by performing corona discharge treatment for the fluororesin film to form an activated surface and vapor-depositing metal on this activated surface and interposing the adhesive layer between the surface with metal vapor-deposited thereon and the face to be bonded of a material to be bonded via the vapor-deposited metal and bonding the fluororesin film to the face to be bonded. CONSTITUTION:An activated surface 10 is formed by performing corona discharge treatment on the rear of a fluororesin film 1. Then this fluororesin film 1 with the activated surface 10 formed thereon is housed into a vacuum vessel and this vacuum vessel is regulated to high vacuum not higher than 10<-2> Pa. A vapor-deposited metal part 2 is formed on the activated surface 10 of the fluororesin 1 by utilizing chromium as an evaporation source and vapor-depositing chromium on the activated surface 10. Then an adhesive layer 3 consisting of a heated and softened hot melt type adhesive is laminated at about 50mum thickness on the surface with metal vapor-deposited thereon of the fluororesin 1. Thereby even when the fluororesin-adhesive film 1 bonded to the face 40 to be bonded is utilized for a long period, the adhesive layer is unpeeled from the face 40 to be bonded. |
