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