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