PRODUCTION OF MULTILAYER PRINTED WIRING BOARD

摘要

PURPOSE:To provide a method for producing a rigid flexible multilayer printed wiring board having highly reliable rigid part and flexible part. CONSTITUTION:A printed wiring board having at least one flexible layer is combined with a printed wiring board having at least one rigid layer to produce a multilayer printed wiring board wherein no adhesive is used on the circuit at the time of formation of a protective film layer in order to protect the flexible layer.