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Individually addressable cathodes with integrated focusing stack or detectors

United States Patent

July 12, 2005
View the Complete Patent at the US Patent & Trademark Office
Systems and method are described for addressable field emission array (AFEA) chips. A plurality of individually addressable cathodes are integrated with an electrostatic focusing stack and/or a plurality of detectors on the addressable field emission array. The systems and methods provide advantages including the avoidance of space-charge blow-up.
Thomas; Clarence E. (Knoxville, TN), Baylor; Larry R. (Farragut, TN), Voelkl; Edgar (Oak Ridge, TN), Simpson; Michael L. (Knoxville, TN), Paulus; Michael J. (Knoxville, TN), Lowndes; Douglas (Knoxville, TN), Whealton; John (Oak Ridge, TN), Whitson; John C. (Clinton, TN), Wilgen; John B. (Oak Ridge, TN)
UT-Battelle LLC (Oak Ridge, TN)
10/ 260,321
September 30, 2002
STATEMENT AS TO RIGHTS TO INVENTIONS MADE UNDER FEDERALLY-SPONSORED RESEARCH AND DEVELOPMENT This invention was made with United States government support awarded by the United States Department of Energy under contract to Lockheed Martin Energy Research Corporation and/or Lockheed Martin Energy Systems Corporation. The United States has certain rights in this invention.