Depressed collector for electron beams

Details Depressed collector for electron beams Depressed collector for electron beams

2005-01-04

2005-01-04

Wong, Don (Department: 2821)

Electric lamp and discharge devices: systems

Cathode ray tube circuits

Combined cathode ray tube and circuit element structure

C330S045000

Reexamination Certificate

active

06838829

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.

REFERENCES:
patent: 3717787 (1973-02-01), Doyle
patent: 3780336 (1973-12-01), Giebeler
patent: 3824425 (1974-07-01), Rawls, Jr.
patent: 5650751 (1997-07-01), Symons
patent: 6060832 (2000-05-01), Adler et al.
patent: 6111358 (2000-08-01), Cardwell et al.
patent: 6208079 (2001-03-01), Brown, II
patent: 6380803 (2002-04-01), Symons
patent: 6429589 (2002-08-01), Schult

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