US 12,176,173 B1
Cathodes having carbon nanotube (CNT) fibers wound onto metallic substrates
Steven Fairchild, Beavercreek, OH (US); Dmitri Tsentalovich, Austin, TX (US); and Nathaniel Lockwood, Alexandria, VA (US)
Assigned to United States of America as represented by the Secretary of the Air Force, Wright-Patterson AFB, OH (US)
Filed by The Government of the United States, as represented by the Secretary of the Air Force, Wright-Patterson AFB, OH (US)
Filed on Feb. 8, 2024, as Appl. No. 18/436,353.
Int. Cl. H01J 1/304 (2006.01)
CPC H01J 1/304 (2013.01) 19 Claims
OG exemplary drawing
 
1. An electrode for a vacuum electronic device, the cathode comprising:
an electrically-conductive substrate; and
at least one continuous carbon nanotube (CNT) fiber in tension and/or compression around at least a portion of the electrically-conductive substrate and secured to the electrically-conductive substrate by a conductive bond.