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US 6,310,431 B1Granted
Annealed carbon soot field emitters and field emitter cathodes made therefrom
AssigneeE. I. Du Pont de Nemours and Company
InventorsGraciela Beatriz Blanchet-Fincher, William Leo Holstein, Syed Ismat Ullah Shah, Shekhar Subramoney
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Abstract
Annealed carbon soot is useful as an electron field emitter. Field emitting cathodes made up of annealed carbon soot attached to the surface of a substrate are also provided. The field emitters and field emitter cathodes are useful in vacuum electronic devices, flat panel computer and television displays, emission gate amplifiers, klystrons and lighting devices.
Claims11
A field emission emitter comprising annealed carbon soot.
A field emission cathode comprised of annealed carbon soot attached to the surface of a substrate.
Dependencies are inferred from the claim text.