SHIELD FILM OF SHIELD FLEXIBLE PRINTED WIRING BOARD AND SHIELD FLEXIBLE PRINTED WIRING BOARD USING SAME

摘要

PROBLEM TO BE SOLVED: To provide a shield flexible printed wiring board capable of effectively carrying out an electromagnetic wave shield to a flexible printed wiring board with excellent electromagnetic wave shieldability and moreover a high wiring density, and to provide a shield film which enables providing the shield flexible printed wiring board.;SOLUTION: A shield film 5 of a shield flexible printed wiring board 10 comprises a substrate film 1 configured by sequentially providing a printed circuit 3 and an insulating film 4 on a base film 2, and a shield film 5 coating at least one side of the substrate film 1. The shield film 5 includes an adhesive layer, a metal layer, and a cover layer 6; and the cover layer 6 is a conductive resin layer, or a non-isotropic conductive resin layer having a desired conductivity in at least the thickness direction under a predetermined condition.;COPYRIGHT: (C)2006,JPO&NCIPI