Transparent anti-reflective coating

Details Transparent anti-reflective coating Transparent anti-reflective coating

B - Operations, Transporting

32

B

B32B 9/04 (2006.01) B05D 5/06 (2006.01) B32B 17/06 (2006.01) B32B 17/10 (2006.01) C03C 17/34 (2006.01) C23C 14/10 (2006.01) G02B 1/11 (2006.01)

Patent

CA 2052865

An anti-reflective coating employing silicon as a high refractive index material in a film pair together with silicon dioxide as a low refractive index material is found to be substantially transparent to visible light and to provide good anti-reflectance where the silicon film is ultra-thin, preferably less than about 50 Angstroms and the thickness of the silicon dioxide film is matched to that of the silicon film. Laminated glazing units having such anti-reflective film can be used, for example, even in applications requiring high transmittance of visible light, such as motor vehicle windshields, in view of the substantial transparency of the coating.

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