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