This implant enhances {HEAD ~ the dopant concentration} in source regions 34 and 36, and creates {TAIL ~ the drain region} 60, which is self aligned to LOCOS islands 42 and 44 
This implant enhances { HEAD ~ the dopant concentration } in source regions 34 and 36 , and creates { TAIL ~ the drain region } 60 , which is self aligned to LOCOS islands 42 and 44
OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH