The microstructures being shaped {HEAD ~ blocks} self align into {TAIL ~ recessed regions} located on a substrate such that the microstructure becomes integral with the substrate 
The microstructures being shaped { HEAD ~ blocks } self align into { TAIL ~ recessed regions } located on a substrate such that the microstructure becomes integral with the substrate
OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH