It is formed comprised of a deep first diffused layer and {HEAD ~ a shallow second diffused layer} positioned between {TAIL ~ the first diffused layer} and the channel region 
positioned between
It is formed comprised of a deep first diffused layer and { HEAD ~ a shallow second diffused layer } positioned between { TAIL ~ the first diffused layer } and the channel region
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH