OPTICAL DETECTING DEVICE, OPTICAL DEVICE, OPTICAL INFORMATION READING DEVICE, AND LIGHT SOURCE AFFIXING METHOD

摘要

Provided is an optical detecting device (43), wherein a photodiode is provided on the first surface of a substrate (51), a planar output electrode (53) for outputting electrical signals corresponding to the quantity of light received by the photodiode is provided on the second surface of the substrate (51), said second surface being on the reverse side of the first surface, a notch (54) is provided in the third surface of the substrate (51) such that the notch section is in contact with the output electrode (53) provided on the second surface, said third surface being different from the first surface and the second surface, and an electrode connected to the output electrode (53) is provided on the inner surface of the notch (54).