Studies of particle beam overlap and electron deposition in thin foils

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Description

This report summarizes a somewhat diverse set of theoretical studies carried out in 1978 which were aimed at increasing our understanding of the physics of multiple-beam overlap and enhanced deposition in thin foils. The studies reported here involve electron and ion beam overlap in single and multiple cylindrical disks of channels, and single and multiple electron-beam deposition in thin foils. Some of the important consequences of these studies which affect ongoing research are the scaling formula derived for overlap current density gain in cylindrical geometry, an understanding of the importance of electron drift motion in thin-foil-enhanced deposition, and the necessity ... continued below

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Pages: 42

Creation Information

Halbleib, J.A. & Wright, T.P. March 1, 1979.

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Description

This report summarizes a somewhat diverse set of theoretical studies carried out in 1978 which were aimed at increasing our understanding of the physics of multiple-beam overlap and enhanced deposition in thin foils. The studies reported here involve electron and ion beam overlap in single and multiple cylindrical disks of channels, and single and multiple electron-beam deposition in thin foils. Some of the important consequences of these studies which affect ongoing research are the scaling formula derived for overlap current density gain in cylindrical geometry, an understanding of the importance of electron drift motion in thin-foil-enhanced deposition, and the necessity of providing non-axial return current paths and magnetic isolation of disks in multiple-disk configurations.

Physical Description

Pages: 42

Notes

Dep. NTIS, PC A03/MF A01.

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  • Report No.: SAND-79-0385
  • Grant Number: EY-76-C-04-0789
  • DOI: 10.2172/5922990 | External Link
  • Office of Scientific & Technical Information Report Number: 5922990
  • Archival Resource Key: ark:/67531/metadc1095757

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

Office of Scientific and Technical Information (OSTI) is the Department of Energy (DOE) office that collects, preserves, and disseminates DOE-sponsored research and development (R&D) results that are the outcomes of R&D projects or other funded activities at DOE labs and facilities nationwide and grantees at universities and other institutions.

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Creation Date

  • March 1, 1979

Added to The UNT Digital Library

  • Feb. 18, 2018, 3:59 p.m.

Description Last Updated

  • March 20, 2018, 8:39 p.m.

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Halbleib, J.A. & Wright, T.P. Studies of particle beam overlap and electron deposition in thin foils, report, March 1, 1979; United States. (digital.library.unt.edu/ark:/67531/metadc1095757/: accessed December 14, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.