Shallow trench isolation partially surrounds {TAIL ~ each transistor} so as to further electrically isolate the source and drain regions from {HEAD ~ the semiconductor body} 
Shallow trench isolation partially surrounds { TAIL ~ each transistor } so as to further electrically isolate the source and drain regions from { HEAD ~ the semiconductor body }
OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD