Patent ID: 7662667
Filing Date: 2010-02-16
Classification: H01L

Abstract:
1. A die rearrangement packaging method, comprising: providing a first substrate having a top surface and a bottom surface, a polymer material is disposed on said top surface to form a plurality of regions with at least a slit therebetween; providing a plurality of dies, each said plurality of dies having an active surface and a reverse side, and a plurality of pads on said active surface; pick and placing each said plurality of dies, said active surface of each said plurality of dies is flipped on said polymer material and said plurality of pads aligned said slits; providing a second substrate and a B-stage material is formed thereon; forming a package body to assembly said second substrate and said B-stage material with said top surface of said first substrate such that said plurality of said dies is encapsulated by said B-stage material; performing a baking process to solidify said B-stage material to form a solidified package body; separating said first substrate to expose said polymer material and said plurality of pads on said active surface of said plurality of dies being exposed within said slits; forming a plurality of metal traces, one ends of each said plurality of metal traces is electrically connected said plurality of pads; forming a protective layer to cover each said plurality of dies and each said plurality of metal traces, and another ends of each said plurality of metal traces being exposed; forming a plurality of connecting elements electrically connected said another ends of said plurality of metal traces; and cutting said package body to form a plurality of package structure individually.