The sidewalls of {HEAD ~ the vias} may then be coated with {TAIL ~ memristive metal oxide film}, and the interior may be filled with a metal core 
The sidewalls of { HEAD ~ the vias } may then be coated with { TAIL ~ memristive metal oxide film } , and the interior may be filled with a metal core
OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH