| 摘要 |
PURPOSE:To improve the accuracy of a circuit pattern by forming an electrodeposited resist on a conductive layer of a printed circuit board, forming a thin and uniform photoresist, and obtaining the resist which is not affected by the shape of a base. CONSTITUTION:A stereoscopic molded form 1 is injection molded by a predetermined resin material. Thereafter, a necessary pretreatment for the entire surface is performed, and it is uniformly covered with a metal film 5 by electrolytically plating. Its upper side is covered with electrodepositing resist 6, photomasks 7 are arranged at both upper and lower sides of the form 1, and the resist 6 is exposed therethrough. When the resist 6 is developed, an exposed part is decomposed, and an unexposed part is retained as a resist image. Thus, a stereoscopic printed circuit board can be manufactured. |
