| 摘要 |
A structure is provided in a light receiving element having a plurality of light receiving regions, in which noise charges from other light receiving regions to the signal charges of each light receiving region are prevented from becoming superimposed, and each light receiving region can generate accurate electric current signals. The structure is provided with a first light receiving region and a second light receiving region, which are formed on a semiconductor substrate having a first conductivity, and a drain region, which is formed on the semiconductor substrate having a second conductivity. Each light receiving region has at least one light receiving unit that is divided into a plurality of segments and that outputs electric currents corresponding to incident light. The drain region is formed between the first light receiving region and the second light receiving region.
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