| 摘要 |
A semiconductor device according to the present invention includes a semiconductor substrate, which comprises a first surface on which an electrode pad is formed, and a second surface arranged at an opposite side of the first surface; an external terminal formed on the first surface of the semiconductor substrate and is electrically connected to the electrode pad; and a sealing resin which seals the first surface so that a surface of the external terminal is exposed. An outer edge of the second surface has a chamfered portion, a surface of which is inclined by substantially 45 degrees from the second surface.
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