US Patent 7785929 Mountable integrated circuit package system with exposed external interconnects

The present invention provides a mountable integrated circuit package system comprising: providing an inner integrated circuit package including a first external interconnect having a shoulder; connecting an intraconnect between a second external interconnect and the shoulder; and forming an outer encapsulation over the inner integrated circuit package, the intraconnect, and partially exposing the first external interconnect on a top encapsulation side of the outer encapsulation and the second external interconnect on a bottom encapsulation side of the outer encapsulation.