X-ray image intensifier having an image sensor with amorphous se

Details X-ray image intensifier having an image sensor with amorphous se X-ray image intensifier having an image sensor with amorphous se

1993-07-01

1994-11-15

Nelms, David C.

Radiant energy

Photocells; circuits and apparatus

Photocell controlled circuit

313526, H01J 4014

Patent

active

053650565

ABSTRACT:
The invention is directed to an x-ray image intensifier having an evacuated housing, an input luminescent screen, electron optics, and an image sensor applied inside the housing at that side thereof lying opposite the input luminescent screen. The side of the image sensor facing toward the input luminescent screen is provided with a layer system that includes at least one semiconductor layer that effects an electron conversion of the incident electrons by ionization with charge carrier multiplication and is composed of amorphous semiconductor material.

REFERENCES:
patent: 4740824 (1988-04-01), Yano et al.
patent: 5117114 (1992-05-01), Street et al.
patent: 5195118 (1993-03-01), Nudelman et al.
"Applications in Biology and Condensed Mtter Physics", Farugi, Nucl. Instr. and Meth, in Phys. Res., A310 (1991), pp. 14-23.
"Eletronenoptischer Rontgenbildverstarker-Kennwerte und Einsatz in der Rontgendiagnostik", Fenner, Siemens-Zeitschrift, vol. 41, No. 9 (1967), pp. 749-755.

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