ANTIREFLECTION GLAZING UNIT EQUIPPED WITH A POROUS COATING

Glazing unit comprising a transparent, especially glass, substrate equipped with an antireflection coating, which coating comprises at least one film of a porous material essentially comprising silicon, oxygen, carbon and possibly hydrogen, in which the atomic proportion PC of carbon, relative to th...

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Bibliographische Detailangaben
Hauptverfasser:	PETERSEN, CHRISTIAN BERNHARD, NADAUD, NICOLAS, GIRON, JEANRISTOPHE, MELCHER, MARTIN
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL BASIC ELECTRIC ELEMENTS CHEMICAL COMPOSITION OF GLASSES, GLAZES, OR VITREOUSENAMELS 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 ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR ELECTRICITY GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS GLASS INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL JOINING GLASS TO GLASS OR OTHER MATERIALS METALLURGY MINERAL OR SLAG WOOL OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICS PERFORMING OPERATIONS PHYSICS PROCESSES FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TOSURFACES, IN GENERAL SEMICONDUCTOR DEVICES SPRAYING OR ATOMISING IN GENERAL SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS,MINERALS OR SLAGS SURFACE TREATMENT OF GLASS SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION TECHNICAL SUBJECTS COVERED BY FORMER USPC TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TRANSPORTING
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Beschreibung
Zusammenfassung:	Glazing unit comprising a transparent, especially glass, substrate equipped with an antireflection coating, which coating comprises at least one film of a porous material essentially comprising silicon, oxygen, carbon and possibly hydrogen, in which the atomic proportion PC of carbon, relative to the sum of the atomic contributions of silicon, oxygen and carbon, varies locally in the thickness direction of the film, from a first surface to a second surface thereof: increasing between a first minimum value PCmin1 and a maximum value PCmax, the ratio of said maximum value PCmax to said first minimum value PCmin1 being at least 1.2, the proportion of carbon then decreasing, between said maximum value PCmax and a second minimum value PCmin2, the ratio of said maximum value PCmax to said second minimum value PCmin2 being at least 1.2. Vitrage comprenant un substrat transparent, notamment verrier, muni d'un revêtement à propriété antireflet comprenant au moins une couche d'un matériau poreux comprenant essentiellement du silicium, de l'oxygène, du carbone et éventuellement de l'hydrogène dans laquelle la proportion atomique Pc du carbone par rapport à la somme des contributions atomiques du silicium, de l'oxygène et du carbone varie localement, dans le sens de l'épaisseur de la couche, depuis une première surface jusqu'à une deuxième surface de celle-ci : selon une augmentation entre une première valeur minimale PCmin1 et une valeur maximale PCmax, le rapport entre ladite valeur maximale PCmax et ladite première valeur minimale Pcmin1 étant d'au moins 1,2, puis selon une diminution de la proportion de carbone, entre ladite valeur maximale PCmax et une seconde valeur minimale PCmin2, le rapport entre ladite valeur maximale PCmax et ladite seconde valeur minimale PCmin2 étant d'au moins 1,2.