X-ray image intensifier with electron optics coating

Details X-ray image intensifier with electron optics coating X-ray image intensifier with electron optics coating

1989-09-22

1991-02-26

Nelms, David C.

Radiant energy

Photocells; circuits and apparatus

Photocell controlled circuit

313529, H01J 3150

Patent

active

049964143

ABSTRACT:
An x-ray image intensifier has an electrode system for focusing electrons, produced by the incidence of x-radiation on the input luminescent screen, onto the output luminescent screen. An electrode of the electrode system is applied as a coating to the interior of a one-piece electrode substrate, which forms the envelope of the vacuum vessel of the x-ray image intensifier, and a voltage is applied to the coating so that the potential field continuously increases in the space between the input luminescent screen and the output luminescent screen.

REFERENCES:
patent: 2151785 (1939-03-01), Lubszynski et al.
patent: 3026437 (1962-03-01), Niklas
patent: 3143681 (1964-08-01), Schlesinger
patent: 3417242 (1968-12-01), Windebank
patent: 3688146 (1972-08-01), Bouwers
"Insulating Aluminoxide Films," Mohr et al., IBM Technical Disclosure Bulletin, vol. 6, No. 3, Aug. 1963.
"Das Roentgenfernsehen," Gebauer et al., 1974, pp. 54-57.

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