Integrated optical and electric circuit device

Details Integrated optical and electric circuit device Integrated optical and electric circuit device

1985-07-09

1987-05-19

Davie, James W.

357 40, 357 41, H01L 3112, H01L 3116

Patent

active

046672125

ABSTRACT:
An integrated optical and electric circuit device in which a semiconductor light emitting device is formed in a semiconductor integrated circuit substrate on which circuit units like logic circuits are integrated. The semiconductor light emitting device is activated by a common electric signal such as a clock signal to emit a common light signal. This common light signal transmits through the semiconductor substrate and reaches each circuit unit. A semiconductor light detecting device formed in the semiconductor integrated circuit substrate is coupled to each circuit unit. The semiconductor light detecting device is responsive to the common light signal to bring the corresponding circuit unit into a common signal receiving state. With this arrangement, a metal interconnection for the common signal which is to be simultaneously distributed to the circuit units becomes unnecessary.

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