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Title: 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:
 [1];  [2];  [1];  [3]
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  1. Livermore, CA
  2. Danville, CA
  3. Berkeley, CA
Issue Date:
Research Org.:
Lawrence Livermore National Laboratory (LLNL), Livermore, CA (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
950121
Patent Number(s):
7378830
Application Number:
11/166,716
Assignee:
Lawrence Livermore National Security, LLC (Livermore, CA)
Patent Classifications (CPCs):
G - PHYSICS G01 - MEASURING G01R - MEASURING ELECTRIC VARIABLES
H - ELECTRICITY H01 - BASIC ELECTRIC ELEMENTS H01J - ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
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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.
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Teruya, Alan T, Elmer, John W, Palmer, Todd A, & Walton, Chris C. Miniature modified Faraday cup for micro electron beams. United States.
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Teruya, Alan T, Elmer, John W, Palmer, Todd A, and Walton, Chris C. Tue . "Miniature modified Faraday cup for micro electron beams". United States. https://www.osti.gov/servlets/purl/950121.
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@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 = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2008},
month = {5}
}
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Works referenced in this record:

Fast method for measuring power density distribution of non-circular and irregular electron beams
journal, April 1998

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