Vacuum-tight, electrical connection for the photocathode in an i

Details Vacuum-tight, electrical connection for the photocathode in an i Vacuum-tight, electrical connection for the photocathode in an i

1979-04-27

1982-02-09

Segal, Robert

Electric lamp and discharge devices

Secondary emission prevention

Nonemissive material

H01J 4002

Patent

active

043151850

ABSTRACT:
Electrical connection for the photocathode in an image intensifier tube, said photocathode being present on the input window of the image intensifier tube, and which input window is secured by means of a layer of vacuum-tight material, e.g. frit, to a metallic cathode flange, which in turn is secured to the outer wall of the image intensifier tube, and in which the electrical conducting lead effecting the connection is passed via the frit layer to the outside of the image intensifier tube, and in which means are provided for keeping the electrical conducting lead clear of the input window and/or the cathode flange at least at one place along its length through the frit layer.

REFERENCES:
patent: Re29233 (1977-05-01), Cuelenaere et al.
patent: 1837744 (1931-01-01), Zworykin
patent: 2064369 (1936-01-01), Biggs
patent: 3280356 (1966-01-01), Stoudenheimer et al.
patent: 3337830 (1967-08-01), Levy
patent: 3408522 (1968-01-01), Casamo et al.
patent: 3693013 (1972-09-01), Dueker

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