a cathode neutralizer placed outside ion source at a certain distance to provide optimal plasma flow with electrons that move into anode area to close electrical circuit, for ionization of working gas molecules, and for neutralization of {HEAD ~ ions} in discharge channel and outside {TAIL ~ an ion source} 
a cathode neutralizer placed outside ion source at a certain distance to provide optimal plasma flow with electrons that move into anode area to close electrical circuit , for ionization of working gas molecules , and for neutralization of { HEAD ~ ions } in discharge channel and outside { TAIL ~ an ion source }
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