PROTECTIVE LAYER FOR PECVD GRAPHITE BOATS

An improved protective layer is provided for PECVD graphite boats for receiving wafers and for transporting the wafers in or through PECVD coating systems, in particular in the photovoltaics industry. A more homogeneous antireflection layer on silicon substrates is achieved by virtue of the PECVD bo...

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Bibliographische Detailangaben
1. Verfasser:	KORNMEYER, TORSTEN
Format:	Patent
Sprache:	eng ; pol
Schlagworte:	BASIC ELECTRIC ELEMENTS 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 INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL METALLURGY SEMICONDUCTOR DEVICES SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION
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Beschreibung
Zusammenfassung:	An improved protective layer is provided for PECVD graphite boats for receiving wafers and for transporting the wafers in or through PECVD coating systems, in particular in the photovoltaics industry. A more homogeneous antireflection layer on silicon substrates is achieved by virtue of the PECVD boat of graphite being provided with an electrically conductive hard material coating of at least boron carbide (B4C).