| 摘要 |
A semiconductor device has a semiconductor element having a plurality of connection terminals, a circuit substrate electrically connected with the semiconductor element; and a connecting member arranged between the semiconductor element and the circuit substrate having a plurality of conductive projections each having a columnar portion, each of columnar portions are connected with each of connection terminals, a cross section of the columnar portion along a plane parallel to a surface of the semiconductor element being smaller than a surface area of each of connection terminals of the semiconductor element.
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