PLASTIC OPTICAL PRODUCT AND PLASTIC LENS FOR SPECTACLES

In a plastic optical product, an optical multilayer film 3 having seven layers is formed on a surface of a plastic substrate 1 directly or with an interlayer 2 interposed therebetween. In the layers of the optical multilayer film 3, a layer on the plastic substrate 1 side is a low refractive index l...

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Bibliographische Detailangaben
Hauptverfasser:	FUKAGAWA TSUYOSHI, TAKAHASHI HIROTOSHI
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMICAL SURFACE TREATMENT CHEMISTRY COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY IONIMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING MATERIAL WITH METALLIC MATERIAL COATING METALLIC MATERIAL CONTACT LENSES DIFFUSION TREATMENT OF METALLIC MATERIAL INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL METALLURGY OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICS PHYSICS SPECTACLES SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURESAS SPECTACLES SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION
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Beschreibung
Zusammenfassung:	In a plastic optical product, an optical multilayer film 3 having seven layers is formed on a surface of a plastic substrate 1 directly or with an interlayer 2 interposed therebetween. In the layers of the optical multilayer film 3, a layer on the plastic substrate 1 side is a low refractive index layer, low refractive index layers and high refractive index layers are alternately disposed. At least the high refractive index layer at the center contains substoichiometric titanium oxide. In a plastic lens for spectacles belonging to such a plastic optical product, the plastic substrate 1 is a plastic lens substrate for spectacles, the interlayer 2 is a hard coat film, and the optical multilayer film 3 is an anti-reflective film.