Patent ID: 8653637

Claim:
A semiconductor device comprising: a first semiconductor package having at least one first semiconductor chip and a first sealing member covering the at least one first semiconductor chip; a second semiconductor package stacked on the first semiconductor package, the second semiconductor package having at least one second semiconductor chip, leads electrically connected to the at least one second semiconductor chip, and a second sealing member covering the at least one second semiconductor chip; and at least one signal connection member disposed in the first sealing member of the first semiconductor package, the at least one signal connection member electrically connecting the at least one first semiconductor chip with the leads, wherein the first semiconductor package further comprises a circuit board receiving the at least one first semiconductor chip on a first surface of the circuit board, and the circuit board comprises joining pads directly formed thereon to receive the at least one signal connection member, and the at least one signal connection member includes vias formed through the first sealing member and formed on the joining pads.