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US 6,908,355 B2Granted
Photocathode
AssigneeBurle Technologies, Inc.
InventorsYoussef M. Habib, John G. Bryan, Charles W. Stoll, John W. Steinbeck
Life of this patent
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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.
Claims6
A method of making a photocathode comprising:
- (a) providing a template having a plurality of pores, each of said pores having an open end;
- (b) depositing material in said pores to form elements;
- (c) providing a base for electrically connecting said elements;
- and
- (d) after said depositing step, removing at least a portion of said template to expose the elements.
2 more elements
Dependencies are inferred from the claim text.