METHOD AND DEVICE FOR COARSENING SURFACE OF RESIN FILM, AND FILM HAVING SURFACE COARSENED BY THE METHOD

摘要

PPROBLEM TO BE SOLVED: To provide a new film coarsening method which is advantageous costwise, is simple in handling a divice and is capable of coarsening the film surface evenly. PSOLUTION: A surface coarsening method for resin film has a feature to make a roller 40, which is formed by fixing an abrasive 42 on the surface, rolled one or more times on the surface and/or rear surface of a resin film F. PCOPYRIGHT: (C)2004,JPO