The invented Hall current ion source with {HEAD ~ a hybrid positioning} of {TAIL ~ a central magnetic pole} of a bout a half a distance between a gas distributing system and an external magnetic pole and with a high positive gradient of magnetic field helps to improve also electromagnetic focusing of plasma flow inside a discharge chamber from discharge chamber walls into a median part of a discharge chamber 
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The invented Hall current ion source with { HEAD ~ a hybrid positioning } of { TAIL ~ a central magnetic pole } of a bout a half a distance between a gas distributing system and an external magnetic pole and with a high positive gradient of magnetic field helps to improve also electromagnetic focusing of plasma flow inside a discharge chamber from discharge chamber walls into a median part of a discharge chamber
OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL 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 OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH