Permanent secondary erosion containment for electrostatic chuck bonds

A substrate support for a substrate processing chamber includes a baseplate, a ceramic layer bonded to the baseplate, and a seal provided in an outer perimeter of an interface between the ceramic layer and the baseplate. The seal is arranged to seal the interface from the substrate processing chambe...

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Bibliographische Detailangaben
1. Verfasser:	Pape, Eric A
Format:	Patent
Sprache:	eng
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 DISCHARGE TUBES OR DISCHARGE LAMPS 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:	A substrate support for a substrate processing chamber includes a baseplate, a ceramic layer bonded to the baseplate, and a seal provided in an outer perimeter of an interface between the ceramic layer and the baseplate. The seal is arranged to seal the interface from the substrate processing chamber and includes an adhesive comprising a first material arranged in the outer perimeter of the interface between the ceramic layer and the baseplate and a ring arranged in the outer perimeter of the interface between the ceramic layer and the baseplate. The ring is removable and comprises a second material having a greater resistance to plasma erosion than the first material.