Preferably {TAIL ~ the wafer} 10 has {HEAD ~ the substantially planar upper face} 12 thereof, and typically the sidewall 14, highly polished to provide a flat mirror like finish 
Preferably { TAIL ~ the wafer } 10 has { HEAD ~ the substantially planar upper face } 12 thereof , and typically the sidewall 14 , highly polished to provide a flat mirror like finish
OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH