A thin conductive overlayer is provided on the substrate, and {TAIL ~ oxide isolation} is used to isolate {HEAD ~ the memory array} 
A thin conductive overlayer is provided on the substrate , and { TAIL ~ oxide isolation } is used to isolate { HEAD ~ the memory array }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD