Patent ID: 7816773

Claim:
A package structure, comprising: a leadframe, comprising: a heat dissipation pad, disposed in a substantial center of the leadframe; and a plurality of leads, surrounding the heat dissipation pad, wherein each of the leads has a top surface and a bottom surface, and the bottom surface has a recess; a die, having an active surface, and a back surface opposite to the active surface, wherein the die is disposed on the heat dissipation pad and the top surfaces of the leads; a solder layer, disposed between the active surface and the heat dissipation pad, wherein the area of the solder layer is substantially the same with that of the heat dissipation pad; a plurality of connecting components, disposed between the active surface and the leads; and an encapsulant, wherein the encapsulant at least covers the back surface of the die; wherein, the die is electrically connected to the leadframe through the solder layer and the connecting components.