Miniature modified Faraday cup for micro electron beams
Abstract
A micro beam Faraday cup assembly includes a refractory metal layer with an odd number of thin, radially positioned traces in this refractory metal layer. Some of the radially positioned traces are located at the edge of the micro modified Faraday cup body and some of the radially positioned traces are located in the central portion of the micro modified Faraday cup body. Each set of traces is connected to a separate data acquisition channel to form multiple independent diagnostic networks. The data obtained from the two diagnostic networks are combined and inputted into a computed tomography algorithm to reconstruct the beam shape, size, and power density distribution.
- Inventors:
-
- Livermore, CA
- Danville, CA
- Berkeley, CA
- Publication Date:
- Research Org.:
- Lawrence Livermore National Laboratory (LLNL), Livermore, CA (United States)
- Sponsoring Org.:
- USDOE
- OSTI Identifier:
- 950121
- Patent Number(s):
- 7,378,830
- Application Number:
- 11/166,716
- Assignee:
- Lawrence Livermore National Security, LLC (Livermore, CA)
- DOE Contract Number:
- W-7405-ENG-48
- Resource Type:
- Patent
- Country of Publication:
- United States
- Language:
- English
Citation Formats
Teruya, Alan T, Elmer, John W, Palmer, Todd A, and Walton, Chris C. Miniature modified Faraday cup for micro electron beams. United States: N. p., 2008.
Web.
Teruya, Alan T, Elmer, John W, Palmer, Todd A, & Walton, Chris C. Miniature modified Faraday cup for micro electron beams. United States.
Teruya, Alan T, Elmer, John W, Palmer, Todd A, and Walton, Chris C. 2008.
"Miniature modified Faraday cup for micro electron beams". United States. https://www.osti.gov/servlets/purl/950121.
@article{osti_950121,
title = {Miniature modified Faraday cup for micro electron beams},
author = {Teruya, Alan T and Elmer, John W and Palmer, Todd A and Walton, Chris C},
abstractNote = {A micro beam Faraday cup assembly includes a refractory metal layer with an odd number of thin, radially positioned traces in this refractory metal layer. Some of the radially positioned traces are located at the edge of the micro modified Faraday cup body and some of the radially positioned traces are located in the central portion of the micro modified Faraday cup body. Each set of traces is connected to a separate data acquisition channel to form multiple independent diagnostic networks. The data obtained from the two diagnostic networks are combined and inputted into a computed tomography algorithm to reconstruct the beam shape, size, and power density distribution.},
doi = {},
url = {https://www.osti.gov/biblio/950121},
journal = {},
number = ,
volume = ,
place = {United States},
year = {Tue May 27 00:00:00 EDT 2008},
month = {Tue May 27 00:00:00 EDT 2008}
}
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Works referenced in this record:
Beam profile analysis for the C{ampersand}MS B231 electron beam welding machines
report, June 1997
- Elmer, J. W.; Teruya, A. T.; Gauthier, M.
Fast method for measuring power density distribution of non-circular and irregular electron beams
journal, April 1998
- Elmer, J. W.; Teruya, A. T.
- Science and Technology of Welding and Joining, Vol. 3, Issue 2