Patent ID: 6633081
Filing Date: 2003-10-14
Classification: H01L

Abstract:
A semiconductor device to be mounted on a packaging substrate, comprising:a first semiconductor chip; a plurality of first electrode pads, provided on a surface of the first semiconductor chip on a side of the packaging substrate, for electrically connecting the first semiconductor chip to a packaging substrate; a second semiconductor chip mounted on the first semiconductor chip so as to be surrounded by the plurality of first electrode pads; protruding electrodes respectively provided so as to protrude from the first electrode pads toward a packaging substrate so that their surfaces are substantially flush with a surface of the second semiconductor chip on a side of a packaging substrate; and external electrodes respectively provided so as to correspond to the protruding electrodes, for connecting the protruding electrodes to a packaging substrate on which the semiconductor device is to be mounted; wherein the external electrodes are arranged on the surface of the second semiconductor chip on the side of a packaging substrate, and the semiconductor device further comprises wirings for connecting the protruding electrodes to the external electrodes corresponding to the protruding electrodes.