The thin film copolymer structure 4 wherein {HEAD ~ the block copolymer material} comprises {TAIL ~ a diblock copolymer} 
comprises
The thin film copolymer structure 4 wherein { HEAD ~ the block copolymer material } comprises { TAIL ~ a diblock copolymer }
OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL