On chip CMOS optical element

Details On chip CMOS optical element On chip CMOS optical element

2006-06-06

2006-06-06

Fourson, George (Department: 2823)

Semiconductor device manufacturing: process

Making device or circuit responsive to nonelectrical signal

Responsive to electromagnetic radiation

C438S061000, C257S080000, C257S082000, C359S344000

Reexamination Certificate

active

07056760

ABSTRACT:
CMOS optical receiver and optical transmitters are described. The optical receiver is formed from a CMOS CCD which is modified to immediately output all information indicative of incoming light, i.e., with no transfer gate. The optical transmitter is formed of a modulation window device. Both the optical transmitter and optical receiver are located on-chip with a microprocessor and form the I/O for the microprocessor. Since the modified I/O is serial, a serial to parallel converter, and parallel to serial converter are provided.

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