| 摘要 |
The outflow of die bond material is prevented and the quality and the reliability of a semiconductor device are improved. A tab, a plurality of leads arranged around the tab, silver paste arranged on the chip supporting surface of the tab, and a semiconductor chip mounted via silver paste on the tab are included. Further, a plurality of wires which electrically connect a pad of the semiconductor chip, and a lead, and a sealing body which does the resin seal of the semiconductor chip and the wires are included. By forming a step part whose height is lower than the chip supporting surface in the edge part of the chip supporting surface of the tab, the silver paste protruded from the tab can be stopped to this step part. As a result, an outflow to the back surface of the sealing body of silver paste can be prevented.
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