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