Patent ID: 8900922
Filing Date: 2014-12-02
Classification: H01L

Abstract:
1. A method comprising: laminating a Non-Conductive Film (NCF) over a first package component, wherein the NCF comprises a polymer and a filler in the polymer, and wherein the first package component comprises a plurality of metal traces, and a first plurality of electrical connectors connected to the plurality of metal traces; bonding a second package component on the first package component, wherein the second package component comprises a second plurality of electrical connectors bonded to the first plurality of electrical connectors through solder bonding, wherein the NCF and the second package component are on a same side of the first package component; and after the laminating the NCF, forcing pillars of a mold tool into the NCF to form openings in the NCF, wherein connectors of the first package component are exposed through the openings.