作者: Sano Hikari , Nakano Takahiro
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摘要: Provided is an optical device capable of preventing occurrence noise caused by reflected light on the outer peripheral end surface a light-transmitting substrate and increasing occupancy rate effective region substrate. The provided with semiconductor (1) which light-receiving element (2) formed, (4) above so as to cover fixed means adhesive layer (5), wherein comprises, thereof, curved inclined spread out from upper toward lower surface.