Photocathode

Details Photocathode Photocathode

2005-06-21

2005-06-21

Williams, Joseph (Department: 2879)

Electric lamp or space discharge component or device manufacturi

Process

Electrode making

C445S051000

Reexamination Certificate

active

06908355

ABSTRACT:
An electron-emitting photocathode includes a base and a large number of projecting elements such as microscopic wires projecting from a surface of the base. The photocathode has high quantum efficiency, and hence can be used as the emitting element in a sensitive phototube.

REFERENCES:
patent: 3387162 (1968-06-01), Schagen et al.
patent: 3814968 (1974-06-01), Nathanson et al.
patent: 3913218 (1975-10-01), Miller
patent: 4208577 (1980-06-01), Wang
patent: 4209705 (1980-06-01), Washida et al.
patent: 4236077 (1980-11-01), Sonoda et al.
patent: 4591717 (1986-05-01), Scherber
patent: 5277960 (1994-01-01), Tsuya et al.

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