Light-controlled transistor

Details Light-controlled transistor Light-controlled transistor

Filed on

1980-05-28

Date issued

1982-10-19

Examiner

Edlow, Martin A.

Other Related Categories

357 23, 357 52, 357 91, H01L 2714

Type

Patent

Status

active

Patent number

043553206

Description

ABSTRACT:
Light-controlled transistor, including a semiconductor body having a surface including a given area intended for the incidence of light, a collector zone, and a base zone and an emitter zone each having a smaller area than the semiconductor body, each of the base and collector zones having at least a part thereof emerging to the surface, a pn-junction disposed between the base and emitter zones and a pn-junction disposed between the base and collector zones, each of the pn-junctions emerging to the surface at the given area, and at least one auxiliary electrode disposed on and electrically insulated from the surface, the auxiliary electrode covering at least the parts of the base and collector zones emerging to the surface, the auxiliary electrode being connectible to an auxiliary voltage having the same polarity as the emitter bias.

REFERENCES:
patent: 3742318 (1973-06-01), Yamashita
patent: 4107721 (1978-08-01), Miller
patent: 4110779 (1978-08-01), Rathbone

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