Patent ID: 7190066
Filing Date: 2007-03-13
Classification: H01L

Abstract:
1. A package structure, comprising: a substrate comprising a first surface, comprising a first electrode and molding gate thereon, and a second surface, comprising a second electrode thereon, opposite to the first surface; a chip on the first surface and beyond the molding gate, the chip comprising a center, a corner which is the farthest from the molding gate, and a third electrode electrically connecting to the first electrode; a heat spreader on the first surface and beyond the molding gate, the heat spreader comprising a base, with a penetrating opening surrounded by an inner edge, surrounding the chip, a plurality of support leads, with a predetermined width and protruding from the base, on the inner edge, and a cap plate fixed by the support leads to be above the chip, the cap plate comprising a hole at least exposing a region between the center and the corner of the chip; and an encapsulant filling the area beneath the cap plate and overlying the base, but exposing the cap plate.