Patent ID: 6924548

Claim:
A semiconductor device comprising: a seal member comprised of insulative resin; a tab sealed in said seal member; tab suspension leads exposed to a mounting surface of said seal member and connected to said tab; a plurality of leads exposed to the mounting surface of said seal member; a semiconductor element located in said seal member and fixed on one surface of said tab through an adhesive; and conductive wires for electrically connecting electrodes formed on the surface of said semiconductor element to said plurality of leads; wherein at least a lead portion of said plurality of leads have an inverted trapezoid-like section including an upper surface embedded in said seal member, a lower surface opposed to said upper surface and exposed from said seal member and side surfaces connecting two side edges of said upper surface and said lower surface, respectively, and the two side edges of said upper surface and said lower surface are each formed with a machined surface with one end thereof connected to said upper surface and the other end thereof connected to a corresponding one of said side surfaces, said machined surface being extending in a direction different from said upper surface and said side surfaces.