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