{TAIL ~ The monocrystalline semiconductor material} of the substrate 10 may contain {HEAD ~ a definite defect concentration} and still be considered single crystal 
{ TAIL ~ The monocrystalline semiconductor material } of the substrate 10 may contain { HEAD ~ a definite defect concentration } and still be considered single crystal
TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH