EXTERIOR COATING RESIN MOLDING METHOD OF ELECTRONIC PART MODULE

To provide a molding method capable of stabilizing thickness and a region where a resin material covers a heat sink.SOLUTION: The molding method comprises performing molding using a first mold 15 and a second mold 16, wherein the first mold has a holding part 15A holding an outer periphery of a first surface 12A of a metal plate 12, a first coupling part 15B arranged on the outer periphery of the holding part 15A, an exterior corresponding part 15C corresponding to an exterior shape that is connected to the holding part 15A inside the holding part 15A and covers a mounted component 13, and a movable pressurizing part 15D that applies pressure to the exterior corresponding part 15C, and the second mold has a pressing part 16A provided with a wall-shaped projection 16C and facing a second surface 12B, and a second coupling part 16B located on the outer periphery of the pressing part 16A and connected to the pressing part 16A, and the wall-shaped projection presses the second surface 12B of the metal plate 12 at a position facing the holding part 15A with the metal plate 12 interposed therebetween.SELECTED DRAWING: Figure 2 【課題】樹脂材料が放熱板を覆う厚みや領域を安定させる成形方法。【解決手段】金属板１２の第１面１２Ａの外周を保持する保持部１５Ａと、保持部１５Ａの外周に配置される第１結合部１５Ｂと、保持部１５Ａの内側で保持部１５Ａに連結されて実装部品１３を覆う外装形状に相当する外装対応部１５Ｃと、外装対応部１５Ｃに圧力を加える可動の加圧部１５Ｄと、を有する第１金型１５と、保持部１５Ａに金属板１２を介在して対向する位置で金属板１２の第２面１２Ｂを押圧する壁状の突起部１６Ｃが設けられて第２面１２Ｂに対面する押圧部１６Ａと、押圧部１６Ａの外周に位置して押圧部１６Ａに連結される第２結合部１６Ｂと、を有する第２金型１６と、を用いた成形を行う。【選択図】図２