The hard mask is then removed from {HEAD ~ the gate structures} in {TAIL ~ the non core region} 
in
The hard mask is then removed from { HEAD ~ the gate structures } in { TAIL ~ the non core region }
OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL