Accession Number : AD0923171

Title :   Silicon Target Return Beam Vidicon.

Descriptive Note : Final rept. 16 Jul 72-15 Jan 74,

Corporate Author : RCA GOVERNMENT AND COMMERCIAL SYSTEMS BURLINGTON MA AEROSPACE SYSTEMS DIV

Personal Author(s) : Cantella, M. J. ; Hoffman, R. E. ; Rodgers, R. L. ; Sandorfi, G. J. ; Schade, O. H., Sr

Report Date : SEP 1974

Pagination or Media Count : 91

Abstract : This program was concerned with development of an electrical input/output Si storage RBV of high resolution. Targets of 7,000 lines/height covering the full two-inch format were successfully fabricated and sealed off in complete RBV configurations. Detailed measurements were made using a variety of operating modes for 2 and 10 sec. write times. Performance demonstrated included 6,000 TVL/PH limiting resolution, linear Write/Read signal transfer characteristics, dynamic range in excess of ten square root of 2 gray steps, S/N ratio in the 30-50 range, and very good overall image quality. Written information was stored with little or no degradation for several days, and non-destructive readout in excess of two hours was obtained. A narrow-angle gun was designed and fabricated to obtain high duty-cycle, rapid cycle-rate operation. A factor of six improvement in prime capability down to 0.15 sec has been shown for the large Si storage target. Evaluation of the gun in ASOS RBV's included demonstration of full target prepare capability in a fraction of a second. Although the new gun does not contain a limiting exit aperture, read resolution performance is at least as good as obtained in standard guns with 1-Mil aperture. It is now feasible to design high-speed reconnaissance systems with desirable overlapping coverage and enhanced operator display. (Author)

Descriptors :   (*VIDICONS, SILICON), AERIAL RECONNAISSANCE, ELECTRON GUNS, HIGH RESOLUTION, REAL TIME, STORAGE TUBES, SILICON DIOXIDE, ARRAYS, CATHODES, ELECTRON OPTICS.

Subject Categories : Electrooptical and Optoelectronic Devices
      Military Intelligence

Distribution Statement : APPROVED FOR PUBLIC RELEASE