A three dimensional crossbar array and {HEAD ~ a fabrication method} thereof is provided for reducing {TAIL ~ the number} of lithography steps 
A three dimensional crossbar array and { HEAD ~ a fabrication method } thereof is provided for reducing { TAIL ~ the number } of lithography steps
OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH REL REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH