HEAT CONDUCTING BASE BOARD, MANUFACTURING METHOD THEREOF, POWER SUPPLY UNIT, AND ELECTRONIC EQUIPMENT

摘要

PROBLEM TO BE SOLVED: To provide a heat conducting substrate hardly influenced by a noise, to provide a manufacturing method thereof, to provide a power supply unit, and to provide electronic equipment. SOLUTION: The heat conducting base board consists of a metal plate 17 having one or more holes, a sheet-like heat transfer resin layer 11 fixed on the metal plate 17, a lead frame 10 embedded in the heat transfer resin layer 11, and a printed wiring board 20 provided in the hole of the metal plate 17. Pins 13 are provided on a portion facing the holes of the lead frame 10, and the pins 13 pierce through the heat transfer resin layer and are electrically connected to the printed wiring board. COPYRIGHT: (C)2008,JPO&INPIT