{HEAD ~ The substrate} has a first surface and a second surface spaced in a predetermined interval apart from {TAIL ~ the first surface} is prepared 
{ HEAD ~ The substrate } has a first surface and a second surface spaced in a predetermined interval apart from { TAIL ~ the first surface } is prepared
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH