Superorthicon-type television camera tube having target and fine

Details Superorthicon-type television camera tube having target and fine Superorthicon-type television camera tube having target and fine

1973-06-13

1976-01-06

Segal, Robert

Electric lamp and discharge devices

Cathode ray tube

Image pickup tube

313 94, H01J 3136, H01J 3108

Patent

active

039315398

ABSTRACT:
A superorthicon-type television camera tube with a photoelectric cathode, a target spaced opposite the cathode and including a film and a fine mesh grid arranged between the film and the cathode. A coating is provided on both the grid and the film and is constituted of a semiconductor material having an inelastic electron reflection factor lower than that of the material of the target. The coating of semiconductor material is on the film and on the grid on the side facing the cathode.

REFERENCES:
patent: 2518434 (1950-08-01), Lubszynski
patent: 2922906 (1960-01-01), Day et al.
patent: 3001098 (1961-09-01), Schneeberger
patent: 3179834 (1965-04-01), Ochs
patent: 3437860 (1969-04-01), Ney
patent: 3509414 (1970-04-01), Einstein

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