Electromagnetic focusing of {TAIL ~ ion flow} in invented ion source makes {HEAD ~ parasitic thermal effects} (plasma touches discharge chamber walls0 negligible 
Electromagnetic focusing of { TAIL ~ ion flow } in invented ion source makes { HEAD ~ parasitic thermal effects } ( plasma touches discharge chamber walls0 negligible
OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH