An insulating material layer is {TAIL ~ conformally deposited overlying exposed portions} of {HEAD ~ the semiconductor substrate} 
An insulating material layer is { TAIL ~ conformally deposited overlying exposed portions } of { HEAD ~ the semiconductor substrate }
OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD