said first interlayer toward said substrate comprising a substantially optically transparent material, which {HEAD ~ first interlayer} is transparent to {TAIL ~ light} in the visible region of 350 to approximately 750 nanometers and is silicon oxy nitride 
is transparent to
said first interlayer toward said substrate comprising a substantially optically transparent material , which { HEAD ~ first interlayer } is transparent to { TAIL ~ light } in the visible region of 350 to approximately 750 nanometers and is silicon oxy nitride
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH