Patent ID: 6707143
Filing Date: 2004-03-16
Classification: H01L

Abstract:
A semiconductor device comprising:a wiring board; a first semiconductor chip, which has a circuitry side and a non-circuitry side that face each other vertically and which is electrically connected to the wiring board via raised electrodes, the circuitry side of the first chip facing the principal surface of the wiring board; and a second semiconductor chip, which has a circuitry side and a non-circuitry side that face each other vertically and which includes external electrodes on the circuitry side thereof, a third semiconductor chip, which has a circuitry side and a non-circuitry side that face each other vertically and which includes external electrodes on the circuitry side thereof, wherein the non-circuitry sides of the second and third semiconductor chips are secured to the non-circuitry side of the first semiconductor chip, wherein the external electrodes of the second and third semiconductor chips are connected to the wiring board via metal fine wires, and wherein the external electrodes are disposed so as not to overlap with the raised electrodes.