| 摘要 |
PURPOSE:To obtain a power module device which is lessened in size, easily assembled, manufactured at a low cost, and capable of preventing heat released from a power element as a heat releasing body from being conducted to a control element. CONSTITUTION:A power module device is equipped with a metal plate 11 composed of a flat 11a and a recess 11b and a circuit board 15 which spans the recess 11b, and a package is composed of the metal plate 11 and the circuit board 15. A power element 3 is mounted on the base of the recess 11b, a control element 4 is mounted on the underside of the circuit board 15, and the power element 3 and the control element 4 are electrically connected together through the intermediary of a wiring pattern 13 provided onto the metal plate 11 and others. |
