초록 ▼

A raised photodetector constructed to define an open channel extending between opposite edges of the photodetector and dimensioned for permitting light from laser to pass therethrough. The photodetector has a light-collecting region disposed in an outward facing wall recessed within the channel for

A raised photodetector constructed to define an open channel extending between opposite edges of the photodetector and dimensioned for permitting light from laser to pass therethrough. The photodetector has a light-collecting region disposed in an outward facing wall recessed within the channel for collecting light from the laser.

대표청구항 ▼

[ We claim:] [1.]1. A photodetector for detecting and transmitting light therethrough, comprising:a semiconductor layer comprising an n-type material, said semiconductor layer having a first side and a second side opposite said first side, and a first edge and a second edge opposite said first edge;

[ We claim:] [1.]1. A photodetector for detecting and transmitting light therethrough, comprising:a semiconductor layer comprising an n-type material, said semiconductor layer having a first side and a second side opposite said first side, and a first edge and a second edge opposite said first edge;a channel defined on said first side of the semiconductor layer and extending between said first and said second edges to form a through passage to permit a predetermined amount of light to pass therethrough, said channel having an outward facing wall recessed within said channel;a light responsive region comprising a p-type dopant impurity formed in said outward facing wall of said channel and extending to a predetermined depth to thereby form a p-n junction in said semiconductor layer;a p-side electrode connected to said light responsive region; andan n-side electrode connected to said second side of the semiconductor layer so that when a reverse bias current flows from said n-side electrode to said p-side electrode and light is incident on said light responsive region, a photoelectric current is generated in accordance with the movement of light incident on said light responsive region.