Closed drift ion source

Details Closed drift ion source Closed drift ion source

2007-08-21

2007-08-21

Wells, Nikita (Department: 2881)

Radiant energy

Ion generation

Field ionization type

C250S424000, C250S425000, C313S153000, C313S161000, C313S162000, C313S231010, C313S231310, C315S111210, C315S111410, C315S111910

Reexamination Certificate

active

11177984

ABSTRACT:
A closed drift ion source which includes a channel having an open end, a closed end, and an input port for an ionizable gas. A first magnetic pole is disposed on the open end of the channel and extends therefrom in a first direction. A second magnetic pole disposed on the open end of the channel and extends therefrom in a second direction, where the first direction is opposite to the second direction. The distal ends of the first magnetic pole and the second magnetic pole define a gap comprising the opening in the first end. An anode is disposed within the channel. A primary magnetic field line is disposed between the first magnetic pole and the second magnetic pole, where that primary magnetic field line has a mirror field greater than 2.

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