In {HEAD ~ one embodiment}, the doped regions can be self aligned using {TAIL ~ the first sub gates} and isolation regions as implant masks 
In { HEAD ~ one embodiment } , the doped regions can be self aligned using { TAIL ~ the first sub gates } and isolation regions as implant masks
OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH