In this exemplary embodiment, {HEAD ~ N type conductivity} determining {TAIL ~ ions}, such as phosphorus or arsenic, are implanted 
determining
In this exemplary embodiment , { HEAD ~ N type conductivity } determining { TAIL ~ ions } , such as phosphorus or arsenic , are implanted
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH