| 摘要 |
PROBLEM TO BE SOLVED: To provide a flexible metal-clad laminated plate which is formed by providing a metal foil on a polyimide film, and can suppress cracks when flexible printed wiring boards are continuously manufactured by a roll-to-roll method.SOLUTION: There is provided a long-sized flexible metal-clad laminated plate which has at least one layer of a polyimide layer and a metal foil, and is continuously manufactured, where when three points of the film, at both ends and the center, are subjected to a shaking test, and a time ST (second) until a crack occurs is measured, the time holds ST≥900 seconds.SELECTED DRAWING: None |
