Microchannel plates formed with deposition using non-reactive ga

Details Microchannel plates formed with deposition using non-reactive ga Microchannel plates formed with deposition using non-reactive ga

1988-09-02

1990-07-31

Wieder, Kenneth

Electric lamp and discharge devices

Photosensitive

Plural secondary emissive electrodes

313103CM, 427123, 4271261, 4271266, H01J 912, H01J 132, H01J 4310

Patent

active

049452860

ABSTRACT:
A method is provided for depositing a conducting electrode on the output face of a microchannel plate and into the output end of each channel. The electrode is vapor deposited by a method which ensures that the material impinges on the output face from random angles relative to the axis of each channel. A layer (10) of tapering thickness is formed down each channel. When used in an image intensifier tube, for example, the output beam of electrons from each channel is more collimated and the resolution of the tube is improved.

REFERENCES:
patent: 3634712 (1972-01-01), Orthuber
patent: 3974411 (1976-08-01), Faulkner et al.
patent: 4099079 (1978-07-01), Knapp

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