Phototransistor with source layer between barrier layer and...

Details Phototransistor with source layer between barrier layer and... Phototransistor with source layer between barrier layer and...

2011-07-19

2011-07-19

Le, Que T (Department: 2878)

Radiant energy

Photocells; circuits and apparatus

Housings

C250S2140RC

Reexamination Certificate

active

07982178

ABSTRACT:
A photo transistor has an active region spaced from a source by barrier. A drain is laterally spaced from the active region. Light incident on the active region creates electron-hole pairs. Holes accumulate at the barrier and modulate the effective barrier height to electrons. A gate reset voltage then is applied to gate which lower the barrier allowing the holes to escape.

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Shannon et al., “Source-Gated Thin-Film Transistors,” IEEE Electron Device Letters 24(6):405-407, Jun. 2003.

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