Image intensifier tube with input screen having a profile which

Details Image intensifier tube with input screen having a profile which Image intensifier tube with input screen having a profile which

1989-03-29

1990-07-24

Nelms, David C.

Radiant energy

Photocells; circuits and apparatus

Photocell controlled circuit

313530, H01J 3150

Patent

active

049437119

ABSTRACT:
In an image intensifier tube the input screen has a profile which is determined by a higher degree polynomial of which the constant term and the first order term are both zero. As a result of this the profile shows no local inhomogeneities and the profile may be adapted to an optical imaging by the electron-optical system of the photocathode on the output screen.

REFERENCES:
patent: 3300668 (1967-01-01), Niklas
patent: 3683194 (1972-08-01), Levin

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