Patent ID: 6118178
Filing Date: 2000-09-12
Classification: H01L

Abstract:
A semiconductor device, comprising:a heat sink;a semiconductor element secured on said heat sink, said semiconductor element having a plurality of electrodes;a reinforcement plate adhered to said heat sink, said reinforcement plate having an inner portion surrounding said semiconductor element; anda film circuit positioned on said reinforcement plate, said film circuit configured so as to not overlay said inner portion, said film circuit having a plurality of wiring films and an insulating layer, said plurality of wiring films being formed on a rear surface of said insulating layer facing toward said reinforcement plate, each of said plurality of wiring films having a first end electrically connected to a respective one of said plurality of electrodes and a second end being an external terminal, said film circuit including a ground terminal and a power supply terminal; a conductive ring positioned between said reinforcement plate and said semiconductor element, said conductive ring being adhered to said heat sink via a conductive agent;wherein,said reinforcement plate and said heat sink are electrically conductive;said ground terminal being electrically connected to one of said reinforcement plate and said heat sink; andsaid power supply terminal being electrically connected to the other of said reinforcement plate and said heat sink.