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US 6,645,628 B2Granted
Carbon nanotube coated anode
AssigneeThe United States of America as represented by the Secretary of the Air Force
InventorsDonald A. Shiffler, Jr., Michael D. Haworth
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Abstract
A vacuum tube having its anode/collector coated with carbon nanotube-based material in which five percent or more of the carbon nanotubes are aligned parallel to the anode/collector's surface.
Claims12
An anode assembly for reducing production of secondary electrons, comprising:
- an anode;
- a plurality of carbon nanotubes coating the anode;
- each of the nanotubes having a longitudinal axis;
- each of the nanotubes being comprised of sections, and each section lying proximate to a local surface of the anode;
- and
- a plurality of sections having longitudinal axes lying parallel to their respective local surfaces.
3 more elements
Dependencies are inferred from the claim text.