Transparent anti-reflective coating

Details Transparent anti-reflective coating Transparent anti-reflective coating

1990-12-10

1992-04-21

Ryan, Patrick J.

Stock material or miscellaneous articles

Structurally defined web or sheet

Including components having same physical characteristic in...

428213, 428336, 428426, 428428, 428432, 428446, 428913, B32B 1706

Patent

active

051066718

ABSTRACT:
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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