Patent ID: 6396142
Filing Date: 2002-05-28
Classification: H01L

Abstract:
A semiconductor device comprising:a heat radiation plate including a main surface and a back surface opposite to said main surface, said heat radiation plate having slits penetrating from said main surface to said back surface; a semiconductor chip having a semiconductor element and a plurality of electrodes formed on a principal plane, said semiconductor chip being bonded to said main surface of said heat radiation plate; a plurality of leads each having an inner lead and an outer lead, tips of the inner leads being fixed on said main surface of said heat radiation plate around the periphery of the bonded semiconductor chip; a plurality of bonding wires electrically connecting said inner leads to corresponding electrodes; and a molding member sealing said heat radiation plate, said semiconductor chip, and said inner leads; wherein said slits are disposed at a portion between a peripheral edge of said semiconductor chip and said tips of the inner leads in a plan view.