| 摘要 |
PURPOSE:To obtain a high heat radiation type printed wiring board that has a highly accurate and reliable function with simple processes. CONSTITUTION:A printed wiring board comprises a heat-radiation type metal support plate 1; rigid printed wiring board bodies 2 and 2' which are laminated and arranged on both main surfaces of the plate 1 in an integrated manner; and a flexible wiring plate 5, projecting from the peripheral edges of the bodies 2 and 2' and the support plate 1, for electrically connecting wiring layers 2a and 2b of the bodies 2 and 2'. |
