PROCESS AND DEVICE FOR THE PRODUCTION OF A REFLECTION-REDUCING COATING ON LENSES

The invention relates to a scratch-resistant coating for optical materia ls comprising synthetics as wall as to a process for the production of this coating. In order for the synthetic material, for example a CR39 lens, to be protected against scratches, first a very thin adhesion layer of SiO is ap...

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Bibliographische Detailangaben
Hauptverfasser:	MATL, KARL, ZOLLER, ALFONS, SAUER, GUNTHER, GOTZELMANN, RAINER
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:	The invention relates to a scratch-resistant coating for optical materia ls comprising synthetics as wall as to a process for the production of this coating. In order for the synthetic material, for example a CR39 lens, to be protected against scratches, first a very thin adhesion layer of SiO is applied, which is subsequently provided with a thick SiO2 layer. Both layers are deposited in a vacuum chamber which comprises a vaporizer a nd a plasma source.