Image intensifier of the proximity-focus type

Details Image intensifier of the proximity-focus type Image intensifier of the proximity-focus type

1980-01-30

1982-07-27

Nelms, David C.

Radiant energy

Photocells; circuits and apparatus

Photocell controlled circuit

313 94, H01J 3150

Patent

active

043419550

ABSTRACT:
An image intensifier of the proximity-focus type, comprising at least one photocathode and at least one anode screen located opposite to the photocathode, said photocathode and said anode screen being disposed in a hollow body in which a vacuum prevails, while, in use, there is an electrical field between cathode and anode. According to the invention the photocathode surface and the anode screen surface extend substantially parallel to the axis of the hollow body.

REFERENCES:
patent: 3553518 (1971-01-01), Schagen
patent: 4024390 (1977-05-01), Bosserman et al.
patent: 4047041 (1977-09-01), Houston
patent: 4075492 (1978-02-01), Boyd et al.
patent: 4239960 (1980-12-01), Galluppi

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