Focusing Electrode on Focal Spot Size and Dose by Carbon Nanotube Based Cold Cathode Electron Beam (C-Beam)

Yi Yin Yu, Kyu Chang Park

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

2 Citations (Scopus)

Abstract

Electron beam focusing is crucial for various vacuum electron applications such as scanning electron microscope SEM), electron beam lithography (EBL), electron beam welding (EBW) and so on. We have demonstrated high quality X-ray imaging capable cold cathode electron beam design with focusing electrode. The focal spot size (FSS) and dose characteristics were improved by our focusing electrode integrated C-beam. By optimizing, as small as 0.1 mm of fss and 11.2 % of enhanced dose were confirmed. The authors believe that our sophisticated beam design will pave for next generation X-ray techniques.

Original languageEnglish
Title of host publication36th IEEE International Vacuum Nanoelectronics Conference, IVNC 2023
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages137-138
Number of pages2
ISBN (Electronic)9798350301434
DOIs
Publication statusPublished - 2023
Event36th IEEE International Vacuum Nanoelectronics Conference, IVNC 2023 - Cambridge, United States
Duration: 10 Jul 202313 Jul 2023

Publication series

Name36th IEEE International Vacuum Nanoelectronics Conference, IVNC 2023

Conference

Conference36th IEEE International Vacuum Nanoelectronics Conference, IVNC 2023
Country/TerritoryUnited States
CityCambridge
Period10/07/2313/07/23

Bibliographical note

Publisher Copyright:
© 2023 IEEE.

Keywords

  • Beam focusing
  • C-beam
  • X-ray dose
  • focal spot size (FSS)
  • focusing electrode
  • high quality X-ray imaging

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