Image intensification tube

Details Image intensification tube Image intensification tube

2005-10-25

2005-10-25

Williams, Joseph (Department: 2879)

Electric lamp or space discharge component or device manufacturi

Process

With assembly or disassembly

C250S2140VT

Reexamination Certificate

active

06957992

ABSTRACT:
An image intensifier tube includes a photocathode (20) with an active layer (52) providing an electrical spectral response to photons of light. The photocathode (20) also includes integral spacer structure (42) which extends toward and physically touches a microchannel plate (22) of the image intensifier tube in order to establish and maintain a desirably precise and fine-dimension spacing distance “G” between the photocathode and the microchannel plate. A method of making the photocathode and a method of making the image intensifier tube are described also.

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