a cathode neutralizer placed {HEAD ~ outside ion source} at {TAIL ~ 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 ions in discharge channel and outside an ion source 
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a cathode neutralizer placed { HEAD ~ outside ion source } at { TAIL ~ 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 ions in discharge channel and outside an ion source
OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH