Patent ID: 6552417
Filing Date: 2003-04-22
Classification: H01L

Abstract:
A plastic molded package, comprising:a heat sink having a first surface and a second surface; a semiconductor die, having a plurality of bonding pads, being attached by adhesive to said first surface of said heat sink; a lead frame, including a plurality of leads, a first annular interposer ring and a second annular interposer ring, is attached by non-conductive adhesives to said heat sink, said first and second annular interposer rings enclosing said semiconductor die, said lead frame further comprising tie bars attaching said first and second interposer rings to said lead frame; wire bonds electrically connecting said bonding pads, said first and second annular interposer rings and said leads; and an encapsulation enclosing said semiconductor die, said first and second interposer rings, said wire bonds, a first portion of said leads and said heat sink, exposing said second surface of said heat sink and a second portions of said leads.