{HEAD ~ Drain region} 542, source/base region 550, and cathode region 558 are implanted as represented by {TAIL ~ the arrows} 602 
implanted as represented by
{ HEAD ~ Drain region } 542 , source / base region 550 , and cathode region 558 are implanted as represented by { TAIL ~ the arrows } 602
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH REL REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH