Patent ID: 6011304
Filing Date: 2000-01-04
Classification: H01L

Abstract:
An electronic semicondtictor device package, said package comprising:a substrate having a shape and traces;a die attached to said substrate;a first level interconnects electrically coupling said die to the traces of said substrate;a plurality of stiffeners attached to said substrate, wherein each stiffener comprises:a bottom portion attached to said substrate;a top portion with at least one hole, the hole extending through the stiffener such that at least part of the hole intersects a plane that is both perpendicular to the substrate and intersects the substrate:heat dissipater adjacent each of said stiffeners; anda plurality of pins that protrude from said heat dissipater, each of said plurality of pins engaging the hole of one of said stiffeners, whereby the pins and the holes secure said heat dissipater to said stiffeners.