Microchannel electron source

Details Microchannel electron source Microchannel electron source

1991-04-04

1992-07-21

Yusko, Donald J.

Electric lamp and discharge devices

Photosensitive

Plural secondary emissive electrodes

313103CM, H01J 4304, H01J 4300

Patent

active

051325861

ABSTRACT:
A microchannel plate device utilizing a semiconducting bulk material is cacterized by electron emissions of high output current density and efficiency. The channel passages in the plate device which are square in cross-section accommodates a larger open area ratio at the input and output plate surfaces. An extended range of high electron emission applications for the plate device is provided. Such applications may include a photocathode installation to which a modulation pulse input is applied under low voltages isolated from high post-accelerating voltages.

REFERENCES:
patent: 3854066 (1974-12-01), Payne
patent: 3879626 (1975-04-01), Washington et al.
patent: 3964411 (1976-08-01), Faulkner et al.
patent: 3979621 (1976-09-01), Yates
patent: 4147932 (1979-04-01), Lewis
patent: 4313072 (1982-01-01), Wilson et al.
patent: 4701618 (1987-10-01), Tosswill

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