| 摘要 |
A semiconductor device which includes a semiconductor chip formed with a light-reception area, a spacer, and a transparent substrate. The spacer is bonded to the semiconductor chip via a first adhesive and surrounding the light-reception area. The transparent substrate is bonded to the spacer via a second adhesive and disposed above the light-reception area. A first projection having a predetermined height is formed on a surface of the spacer which is on a side of the semiconductor chip, and the first projection abuts on the semiconductor chip.
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