Patent ID: 7239016

Claim:
A semiconductor device comprising: a heat generation element; a bonding member; first and second heat radiation plates disposed on first and second sides of the heat generation element through the bonding member, respectively; a heat radiation block disposed between the first heat radiation plate and the heat generation element through the bonding member; and a resin mold molding almost all of the device, wherein the first and second heat radiation plates are capable of radiating heat generated from the heat generation element, wherein the heat generation element electrically and thermally connects to the first heat radiation plate through the bonding member and the heat radiation block, wherein the heat generation element electrically and thermally connects to the second heat radiation plate through the bonding member, wherein the heat radiation block has a thickness in a range between 0.5 mm and 1.5 mm, and wherein the heat generation element has an edge portion with no corner so that the bonding member disposed at the edge portion becomes thick.