{TAIL ~ The silicon} underneath {HEAD ~ the polysilicon gates} 320 a and 320 b is not removed 
{ TAIL ~ The silicon } underneath { HEAD ~ the polysilicon gates } 320 a and 320 b is not removed
TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH