Prepreg printed wiring board, a metal foil-clad laminated board and printed wiring board, as well as a method for manufacturing a multilayer printed wiring board

Printed wiring board prepreg of the present invention is a printed wiring board prepreg obtained by impregnating dried thermosetting resin composition to a substrate, characterized in that the cracks do not occur in the base material even when bent 90 degrees to.