Patent ID: 6847103

Claim:
A semiconductor package; comprising: a metal lead frame, including a plurality of elongate leads arrayed around a central region thereof, each lead having an outer end portion extending away from the central region, an inner end portion extending toward the central region, and a middle portion extending between the outer and inner end portions, the middle portion being of a lead width and having a lower surface which defines a land; a spatulate locking pad in the outer end portion of each lead and having a locking pad width which exceeds the lead width; a spatulate wire bonding pad in the inner end portion of each lead and having a bonding pad width which exceeds the lead width; and a die pad attached to the lead frame in the central region thereof and adjacent to the inner end portions of the leads, the die pad having an upper surface and a lower surface, the lower surface having a central portion and a recessed shoulder extending around the central portion.