Accession Number : AD0762116

Title :   Millimeter Wave Image Conversion Panels.

Descriptive Note : Semiannual rept. 1 Apr-30 Sep 72,

Corporate Author : HUGHES RESEARCH LABS MALIBU CALIF

Personal Author(s) : Baird,J. M. ; Kiewit,D. A.

Report Date : FEB 1973

Pagination or Media Count : 20

Abstract : P SEMICONDUCTOR IMAGE DISSECTING PANELS FOR MM WAVE IMAGING IS DESCRIBED. A description is given of a new mechanical assembly design that will simplify the construction of these panels. This design uses a polystyrene lens as the basic supporting structure on which the preassembled and pretested panel elements are mounted. Diode development work is also described. It has led to diodes in which the bulk resistivity can be changed from 3000 ohms-cm to about 5 ohms-cm by the application of a forward bias of 0.5 A/sq cm. These p-i-n diodes have an Al-alloy p+ region and an As-ion implanted n+ region with Pt-Si-Ti-Pt-Au for contacting metallization. They are capable of providing > 30 db rf modulation in image conversion panel applications. (Author)

Descriptors :   (*IMAGE CONVERTERS, MILLIMETER WAVES), SEMICONDUCTOR DIODES, DISPLAY SYSTEMS, PLASTIC LENSES, OPTICAL IMAGES

Subject Categories : Electrical and Electronic Equipment

Distribution Statement : APPROVED FOR PUBLIC RELEASE