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