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Technical Paper

Anti-Reflection (AR) Coating Meter

So far in conventional automotive meter, reflection of the incident light on a cover glass is prevented by a hood and a curved cover glass. Anti-reflection coating (hereafter abbreviated as AR coating) on the surface of cover glass can offer a meter without the hood. Thin films of AR coating are uniformly deposited on a large polymethylmethacrylate substrate in an ambient atmosphere by sol-gel dip coating and cured at low temperature. The AR coated panel shows a very low reflectance. In addition, the AR coating has a high reliability for the instrument panels of automobiles. The AR coating meter offers new instrument panel design for Toyota Prius.