This can occur if the substrate is thinned to have {HEAD ~ an exemplary substrate thickness} of {TAIL ~ about 0.65 mm} 
of
This can occur if the substrate is thinned to have { HEAD ~ an exemplary substrate thickness } of { TAIL ~ about 0.65 mm }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL