chemically vapor depositing at least one composite layer having a thickness in the range of about 1 μm to {HEAD ~ about 20 μm} by {TAIL ~ chemically vapor} depositing during a first cycle a substantially optically transparent first interlayer of about 5 Å to 1 μm thick and a second interlayer of about 1 μm to 20 μm thick onto said substrate 
chemically vapor depositing at least one composite layer having a thickness in the range of about 1 μm to { HEAD ~ about 20 μm } by { TAIL ~ chemically vapor } depositing during a first cycle a substantially optically transparent first interlayer of about 5 Å to 1 μm thick and a second interlayer of about 1 μm to 20 μm thick onto said substrate
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