HEAT TREATABLE COATED ARTICLE WITH DUAL LAYER OVERCOAT

A coated article is provided so as to include an overcoat having, an outermost layer including silicon nitride which overlies an underlayer including a metal oxide (MOx) or a metal oxynitride (MOxNy), where the metal (M) is selected from the group of Cr, Nb, Hf, Ta, and/or combinations thereof. Such...

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Bibliographische Detailangaben
Hauptverfasser:	DIETRICH, Anton, WANG, Hong
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	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 GLASS INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL JOINING GLASS TO GLASS OR OTHER MATERIALS LAYERED PRODUCTS LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM METALLURGY MINERAL OR SLAG WOOL PERFORMING OPERATIONS 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 TRANSPORTING
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Beschreibung
Zusammenfassung:	A coated article is provided so as to include an overcoat having, an outermost layer including silicon nitride which overlies an underlayer including a metal oxide (MOx) or a metal oxynitride (MOxNy), where the metal (M) is selected from the group of Cr, Nb, Hf, Ta, and/or combinations thereof. Such an overcoat provides for good mechanical and chemical protection in the context of heat treatable coated articles. Coated articles herein may be used in the context of insulating glass (IG) window units, architectural or residential monolithic window units. vehicle windows, and/or the like.