{TAIL ~ An example system} may include a processor, a light source, a mask, a substrate, a photoresist layer, and {HEAD ~ a graphene layer} 
{ TAIL ~ An example system } may include a processor , a light source , a mask , a substrate , a photoresist layer , and { HEAD ~ a graphene layer }
TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD