Window for chemical vapor deposition systems and related methods

A system for depositing a layer on a substrate includes a processing chamber defining a gas inlet for introducing gas into the processing chamber and a gas outlet to allow the gas to exit the processing chamber. A substrate support is positioned within the processing chamber and is configured to rec...

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Bibliographische Detailangaben
Hauptverfasser:	TU, CHUNIN, HAMANO, MANABU, HSU, LUNG-HSING
Format:	Patent
Sprache:	chi ; eng
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 SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION
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Beschreibung
Zusammenfassung:	A system for depositing a layer on a substrate includes a processing chamber defining a gas inlet for introducing gas into the processing chamber and a gas outlet to allow the gas to exit the processing chamber. A substrate support is positioned within the processing chamber and is configured to receive a substrate. A transparent upper window includes a convex first face spaced from the substrate support to define an air gap therebetween. The upper window is positioned within the processing chamber to direct the gas from the gas inlet, through the air gap, and to the gas outlet. The first face includes a radially outer surface and a radially inner surface circumscribed within the outer surface. The outer surface has a first radius of curvature and the inner surface has a second radius of curvature that is different from the first radius of curvature.