Patent ID: 8873245

Claim:
An embedded chip-on-chip (COC) package comprising: a printed circuit board (PCB) having a top surface, a bottom surface, a recess in the top surface thereof, and a circuit pattern at the bottom of the recess, whereby the PCB comprises a recessed semiconductor chip mounting unit; a first semiconductor chip disposed in the recess so as to be embedded in the recessed semiconductor chip mounting unit and electrically connected to the circuit pattern at the bottom of the recess; a second semiconductor chip mounted to the recessed semiconductor chip mounting unit, wherein the first semiconductor chip has an active surface that faces upwardly and a bottom surface that faces the circuit pattern at the bottom of the recess, the second semiconductor chip has an active surface that faces downwardly and towards both the active surface of the first semiconductor chip and a portion of the top surface of the PCB that extends around the recess, and the second semiconductor chip is electrically connected to the first semiconductor chip and to the PCB independently of each other; and a third semiconductor chip having a footprint smaller than that of the second semiconductor chip and mounted on the second semiconductor chip, the third semiconductor chip having electrically conductive bumps by which the third semiconductor chip is electrically connected to the second semiconductor chip.