Patent ID: 6713321
Filing Date: 2004-03-30
Classification: H01L,Y10T

Abstract:
A process of making a super low profile package with high efficiency of heat dissipation, comprising steps of:(a) providing a substrate and forming a cavity in the substrate, wherein a bottom side of the substrate includes a ground ring; (b) adhering and fixing an extending part of a heat sink to the ground ring; (c) placing a die into the cavity, and the die having a front die surface adhering to the heat sink, wherein a part of the front die surface is exposed for bonding a wire; (d) performing wire bonding for connecting the wire to the die and the substrate; (e) performing encapsulation for forming a plastic mold on a bottom substrate surface , such that the plastic mold encapsulates the die, the heat sink and the wires, and; (f) forming a plurality of solder balls on the bottom substrate surface.