Patent ID: 6445594
Filing Date: 2002-09-03
Classification: H01L

Abstract:
A semiconductor device comprising:a circuit board having a top surface and a back surface on which board electrodes are arranged on said top and back surfaces and in which predetermined openings are formed; and a plurality of semiconductor elements each having a top surface and a back surface and in which element electrodes are arranged on said top surface, wherein: a first semiconductor element is placed so that the top surface thereof faces to the top surface of said circuit board, and the element electrodes thereof are connected to the board electrodes on the back surface of said circuit board with wires that pass through said openings of said circuit board; and a second semiconductor element is stacked so that the back surface thereof is joined to the back surface of said first semiconductor element, and the element electrodes thereof are connected to the board electrodes on the top surface of said circuit board.