Patent ID: 8685792

Claim:
A method of manufacture of an integrated circuit package system comprising: providing a mountable integrated circuit system having an encapsulation with a cavity, a passive device, and a first interposer therein, the first interposer exposed by the cavity, the cavity having a cavity width; mounting a second interposer over the first interposer and the encapsulation, the second interposer having a side facing the cavity and an opposite side having an electrical attachment area directly over the cavity, the second interposer having an interposer width greater than the cavity width; mounting an electrical component over the second interposer via electrical connectors, the electrical component completely exposed from the encapsulation, the electrical component having an electrical component width greater than the cavity width, wherein the electrical component and the electrical connectors are capable of being readily detachable from the second interposer for functional testing; and mounting a further passive device directly on the second interposer.