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SEC VIDICON TUBE [1 record]

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Alphabetical list of terms

Record 1 2002-11-13

English

Subject field(s)
  • Vacuum Tubes (Electronics)
  • Photoelectricity and Electron Optics
OBS

During writing, the pattern of photoelectrons generated at the photocathode by the input light is imaged onto the target as a halftone potential pattern generated by secondary electrons. Scanning of the target surface by the reading beam may be accomplished either during writing or as a later step. As in other vidicon tubes, capacitive discharge of the target to cathode potential in reading automatically erases the target and leaves it prepared for a new image.

French

Domaine(s)
  • Tubes et lampes (Électronique)
  • Photo-électricité et optique électronique

Spanish

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