| 摘要 |
A semiconductor device includes first and second semiconductor elements, a first metal body attached to a first side of the semiconductor elements by a first solder portion, a second metal body attached to a second side of the semiconductor elements with a second solder portion, and a resin mold sealing the semiconductor elements, the first metal body and the second metal body by encapsulating them. In the semiconductor device having the second side as an element disposition surface, strain measurement caused by heat stress is maximum at the first solder portion among soldering portions of the semiconductor elements.
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