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