Depressed collector for electron beams
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United States of America Patent
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Jan 4, 2005
Grant Date -
Jul 3, 2003
app pub date -
Jan 3, 2002
filing date -
Jan 3, 2002
priority date (Note) -
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Abstract
A depressed collector for recovery of spent beam energy from electromagnetic sources emitting sheet or large aspect ration annular electron beams operating aver a broad range of beam voltages and currents. The collector incorporates a trap for capturing and preventing the return of reflected and secondary electrons.
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