X-ray image intensifier having a crystalline conductive film on

Details X-ray image intensifier having a crystalline conductive film on X-ray image intensifier having a crystalline conductive film on

1987-04-03

1988-06-21

Nelms, David C.

Radiant energy

Photocells; circuits and apparatus

Photocell controlled circuit

2504861, H01J 3130

Patent

active

047526815

ABSTRACT:
An X-ray image intensifier includes an input screen. The input screen has a base plate, a phosphor layer formed on the base plate, a transparent conductive film formed on the phosphor layer, and a photoemissive layer formed on the conductive film. The conductive film has a crystallinity wherein an average crystal size along a direction parallel to a surface of the conductive film is 500 .ANG. or more.

REFERENCES:
patent: 2606299 (1952-08-01), Coltman et al.
patent: 3838273 (1974-09-01), Cusano
patent: 3868512 (1975-02-01), Prener et al.
patent: 4002938 (1977-01-01), Pehe 313527

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