| 摘要 |
A semiconductor device includes: a semiconductor structure unit; an interconnect layer provided on the major surface side of the semiconductor structure unit; an electrode pad provided on a surface of the interconnect layer on a side opposite to a surface on which the semiconductor structure unit is provided, and the electrode pad electrically connected to the interconnect layer; a plurality of metal pillars joined to the electrode pad separately from each other; and an external terminal provided commonly at tips of the plurality of metal pillars, the metal pillars having an area in a plan view smaller than an area in a plan view of the external terminal.
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