Intensifier tube of the proximity focus type

Details Intensifier tube of the proximity focus type Intensifier tube of the proximity focus type

1976-07-12

1978-05-30

Segal, Robert

Electric lamp and discharge devices

Secondary emission prevention

Nonemissive material

250213VT, 313101, H01J 3900, H01J 3902

Patent

active

040925579

ABSTRACT:
An image intensifier tube of the proximity focus type has a transparent cathode window with a curved inner surface and an anode window formed by a fiber optics plate having an inner surface curved to be substantially complementary to the cathode window inner surface. The arrangement mitigates the so-called "chicken-wire" effect and other flaws inherent in intensifiers using fiber optics at both the cathode and the anode ends. It is cheaper in manufacture and may be made of smaller depth, thereby simplifying its incorporation in existing apparatus.

REFERENCES:
patent: 3229105 (1966-01-01), Mestwerdt et al.
patent: 3267283 (1966-08-01), Kapany
patent: 3304455 (1967-02-01), Mesta
patent: 3356851 (1967-12-01), Carlson
patent: 3458744 (1969-07-01), Sowers et al.
patent: 3712986 (1973-01-01), Collings
patent: 3828192 (1974-08-01), Morsell
patent: 3989971 (1976-11-01), Santilli et al.

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