A STUDY OF FIELD-EMISSION CATHODES FOR SELECTED HIGH-POWER TUBES

Abstract

Results are presented of a one-month study of the U. S. research, development, and application activities on field-emission (FE) cathodes for microwave power tubes, millimeter-wave tubes, and high-power switch tubes. The increasing demands imposed on high-power microwave tubes, millimeter-wave tubes, and high-power switch tubes have necessitated continuing efforts toACHIEVE IMPROVEMENTS IN HIGH-CURRENT-DENSITY CATHODES AND HIGH-INTENSITY, ELECTRON-BEAM GENERATION METHODS. The use of Fe cathodes represents one approach which has been investigated in an attempt to solve the high-current-density cathode problem. The study was based significantly on information obtained by searching the published literature and available reports, and by personally discussing various aspects of the problem with people associated with the U. S. electron-tube industry. During the period, 25 companies and universities were contacted; their names and those of the individuals involved at each organization are listed. (Author)

Document Details

Document Type
Technical Report
Publication Date
Oct 05, 1961
Accession Number
AD0267356

Entities

Organizations

  • Battelle Memorial Institute

Tags

Communities of Interest

  • Energy and Power Technologies

DTIC Thesaurus Topics

  • Current Density
  • Electron Beams
  • Electron Tubes
  • Electrons
  • Emission
  • Field Emission
  • High Power Microwaves
  • Microwave Tubes
  • Microwaves
  • Millimeter Waves

Readers

  • Plasma Physics.
  • Pulsed Power and Plasma Physics.
  • Systems Analysis and Design

Technology Areas

  • 5G
  • Directed Energy
  • Microelectronics