Introduction to the Vidicon Family of Tubes
The term vidicon1 is frequently used as a generic term for a photoconductive camera tube. Vidicon is also a name that partially describes return-beam vidicons, lead oxide vidicons, and silicon diode vidicons. The latter device has a photosensor comprising a mosaic of silicon diodes and the lead oxide tube is presumed also to be a junction-type device. This chapter will be restricted to the nonjunction type of photoconductive tube, while the others are subjects of later chapters. Figure 1 shows a schematic cross section of such a tube. The photoconductor is a continuous layer with a transparent electrode on the faceplate side. The scanning beam is the same low-velocity type used in most camera tubes, and usually the signal is taken from the current deposited on the target instead of from a return beam.
KeywordsScanning Beam Photogenerated Carrier Schematic Cross Section Landing Characteristic Silicon Diode
Unable to display preview. Download preview PDF.
- 1.P. K. Weimer, S. V. Forgue, and R. R. Goodrich, “The Vidicon — Photoconductive Camera Tube,” RCA Rev. XII(3), 306–313 (Sept. 1951).Google Scholar
- 4.S. V. Forgue, “Storage Orthicon and its Application to Teleran,” RCA Rev. 8, 633–650 (Dec. 1947).Google Scholar
- 5.R. W. Redington, “The Transient Response of Photoconductive Camera Tubes Employing Low-Velocity Scanning,” IRE Trans. ED-4(3), 220–225 (July 1957).Google Scholar
- 6.S. V. Forgue, R. R. Goodrich, and A. D. Cope, “Properties of Some Photoconductors, Principally Antimony Trisulfide,” RCA Rev. XII(3), 335 (September 1951).Google Scholar