High-frequency phototransistor operated with multiple light sour

Details High-frequency phototransistor operated with multiple light sour High-frequency phototransistor operated with multiple light sour

1979-12-13

1981-05-26

Edlow, Martin H.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

357 30, 357 17, 357 18, 307311, 307260, 331 945H, H01L 3112

Patent

active

042701350

ABSTRACT:
A photo-transistor includes a multi-apertured collector electrode disposed on a semiconductor collector layer. A laser diode and a light pipe are provided for each aperture such that the light from the laser is transmitted to its associated aperture via the light pipe. Means are included for sequentially pulsing each laser so as to cause a high-frequency intermittent current in the photo-transistor piece of molybdenum 88 which provides improved current flow and heat sinking for the transistor 10.

REFERENCES:
patent: 3920495 (1975-11-01), Roberts
patent: 4131905 (1978-12-01), Hanes
patent: 4181901 (1980-01-01), Heyke
patent: 4194162 (1980-03-01), Uematsu
patent: 4212024 (1980-07-01), Sugawara

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