Accordingly, {HEAD ~ the complementary microstructures} may be superimposed in {TAIL ~ a controlled manner} by operation of micro alignment means also formed in the substrate by an etching or similar process 
Accordingly , { HEAD ~ the complementary microstructures } may be superimposed in { TAIL ~ a controlled manner } by operation of micro alignment means also formed in the substrate by an etching or similar process
OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH