The plasma emission contains both ions and {HEAD ~ electrons} from {TAIL ~ the cathodic arc} for which the ions contain the mass to be deposited 
from
The plasma emission contains both ions and { HEAD ~ electrons } from { TAIL ~ the cathodic arc } for which the ions contain the mass to be deposited
OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH