In {TAIL ~ the present example}, {HEAD ~ the gate structures} interpose LDD features respectively disposed in the source region and the drain region 
In
In { TAIL ~ the present example } , { HEAD ~ the gate structures } interpose LDD features respectively disposed in the source region and the drain region
REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH