OPTICAL LENS OF TRANSPARENT PLASTIC

Coated optical lens with a substrate of transparent plastic (1) with a first layer (2) of Sio directly on the substrate and a second layer (3) of borosilicate glass with an index of refraction of 1.47 (.lambda. = 550 nm) to ensure shift-free spectral behavior. The borosilicate glass layer can be up...

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Bibliographische Detailangaben
Hauptverfasser:	ARHILGER, DETLEF, ZUELTZKE, WALTER
Format:	Patent
Sprache:	eng ; fre
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 DIFFUSION TREATMENT OF METALLIC MATERIAL INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL METALLURGY OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICS PHYSICS SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION
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Beschreibung
Zusammenfassung:	Coated optical lens with a substrate of transparent plastic (1) with a first layer (2) of Sio directly on the substrate and a second layer (3) of borosilicate glass with an index of refraction of 1.47 (.lambda. = 550 nm) to ensure shift-free spectral behavior. The borosilicate glass layer can be up to 3 .mu. thick, preferably 2,550 nm; layers 3-7 are formed of TiO2, SiO2, and Al2O3 to provide an antiglare effect. - 15 -