ARTICLE COATED WITH AN INTERFERENCE COATING HAVING PROPERTIES THAT ARE STABLE OVER TIME

The invention relates to an article comprising a substrate having at least one main surface coated with a multilayer interference coating, said coating containing a layer A having a refractive index less than or equal to 1.55. The article is characterised in that: layer A forms either the outer inte...

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Bibliographische Detailangaben
Hauptverfasser:	MARTINU, Ludvik, SAPIEHA, Jolanta, SCHERER, Karin, ZABEIDA, Oleg, CHIAROTTO, Sébastien
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	CHEMICAL COMPOSITION OF GLASSES, GLAZES, OR VITREOUSENAMELS CHEMISTRY CONTACT LENSES GLASS JOINING GLASS TO GLASS OR OTHER MATERIALS METALLURGY MINERAL OR SLAG WOOL OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICS PHYSICS SPECTACLES SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURESAS SPECTACLES SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS,MINERALS OR SLAGS SURFACE TREATMENT OF GLASS
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Beschreibung
Zusammenfassung:	The invention relates to an article comprising a substrate having at least one main surface coated with a multilayer interference coating, said coating containing a layer A having a refractive index less than or equal to 1.55. The article is characterised in that: layer A forms either the outer interference coating layer or an intermediate layer that is in direct contact with the outer interference coating layer, said outer interference coating layer being a layer B having a refractive index less than or equal to 1.55; layer A is obtained by ion beam deposition of activated species from at least one compound C in gaseous form and containing in its structure at least one silicon atom, at least one carbon atom, at least one hydrogen atom and, optionally, at least one nitrogen atom and/or at least one oxygen atom, layer A being deposited in the presence of nitrogen and/or oxygen when compound A does not contain nitrogen and/or oxygen; and layer A is not formed from inorganic precursor compounds.