In certain embodiments, {TAIL ~ thin film structures} include ordered elements that do not correspond to {HEAD ~ the substrate pattern} 
In certain embodiments , { TAIL ~ thin film structures } include ordered elements that do not correspond to { HEAD ~ the substrate pattern }
OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD