In FIG 7C, the generally undoped silicon material layer 344 receives an HDD implant 345 to form an HDD material layer 346 in {HEAD ~ the source/drain region} overlying {TAIL ~ the generally undoped silicon material layer} 344 
overlying
In FIG 7C , the generally undoped silicon material layer 344 receives an HDD implant 345 to form an HDD material layer 346 in { HEAD ~ the source / drain region } overlying { TAIL ~ the generally undoped silicon material layer } 344
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH