Patent ID: 7833836

Claim:
A method of manufacturing a semiconductor device comprising: performing first ball bonding to bond a first bonding ball onto a first bump which is formed on a first pad of a first semiconductor chip having a first adhesive layer formed on an element forming surface thereof and is exposed from a surface of the first adhesive layer, performing first wedge bonding with respect to a first wiring layer formed on a printed circuit board by extending a bonding wire from the first bonding ball, mounting a second semiconductor chip having a second adhesive layer formed on an element forming surface thereof, having a second bump formed on a second pad and exposed from a surface of the second adhesive layer and smaller than the first semiconductor chip on a portion of the first adhesive layer which lies inside the first pad on the first semiconductor chip, performing second ball bonding to bond a second bonding ball onto a second bump on the second semiconductor chip, performing second wedge bonding with respect to a second wiring layer formed on the printed circuit board by extending a bonding wire from the second bonding ball, forming the first bump on the first pad of the element forming surface of the first semiconductor chip before performing the first ball bonding, forming the first adhesive layer on the element forming surface of the first semiconductor chip such that an upper portion of the first bump is exposed from the surface of the first adhesive layer, forming the second bump on the second pad of the element forming surface of the second semiconductor chip, and forming the second adhesive layer on the element forming surface of the second semiconductor chip such that an upper portion of the second bump is exposed from the surface of the second adhesive layer.