Accession Number : AD0894134

Title :   Solid-State Scan Mosaic Sensors.

Descriptive Note : Final rept. 21 Jan 71-21 Jan 72,

Corporate Author : RCA LABS PRINCETON NJ

Personal Author(s) : Weimer, Paul K. ; Durfee, Fred G. ; Kovac, Michael G. ; Meray, Lorand H.

Report Date : APR 1972

Pagination or Media Count : 119

Abstract : A 512 x 512 element photoconductive image sensor with integrated thin-film scanning decoders has been built and scanned at 30 frames per second on laboratory test equipment. Spurious signals due to switching transients and defects in the decoders gave a poor quality picture. A parallel research effort on a 32 x 44 element silicon photodiode sensor which is scanned internally by bucket-brigade charge transfer registers has yielded very encouraging results. Switching transients are low and can be readily separated from the video signal. Sensitivity and uniformity are excellent because all charges are transferred with low loss through an output register to an amplifier located on the same chip. A bucket-brigade vertical scan generator drives the gating circuits which connects the horizontal clock voltages to each row in sequence. A small solid-state camera has been built incorporating the 32 x 44 element sensor. Its dimensions are 2.25 in. x 2.75 in. x 3.75 in. and it consumes less than 1 W of power. (Author)

Descriptors :   (*MOSAICS(LIGHT SENSITIVE), INTEGRATED CIRCUITS), ELECTRONIC SCANNERS, DETECTORS, PHOTODIODES, TRANSIENTS, TRANSISTORS, CAMERA TUBES, GATES(CIRCUITS), DECODING, VIDEO SIGNALS, SILICON, SHIFT REGISTERS, PHOTOELECTRIC CELLS(SEMICONDUCTOR), MULTIPLEXING, SUBSTRATES.

Subject Categories : Electrooptical and Optoelectronic Devices

Distribution Statement : APPROVED FOR PUBLIC RELEASE