22 Apr 2019 Windows are optical glass with ground and polished daces that are relatively parallel.They are used to isolate two physical environments while allowing light to pass,it also can be a protection of original when it's in two physical environments.And there is almost no effect on visible light,to coat on the surface of windows could increase the transmittance,the commonly used coatings are antireflection coating(AR) and scratch-resistant coating(AS）。Windows with coating can enhance the light penetration strength,and own function of waterproof,dustproof,and scratch-proof.
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