Method for in-situ cleaning of surfaces of a substrate processing chamber

A method of removing contaminants from a surface in a silicon substrate processing chamber. The method includes coating the surface which has been exposed to contaminants including metal particles with a material preferably including silicon. During coating, contaminants are collected by the materia...

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Bibliographische Detailangaben
Hauptverfasser:	COMITA, PAUL B, WALDHAUER, ANN P, THILDERKVIST, ANNALENA
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BASIC ELECTRIC ELEMENTS CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY 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 PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL SEMICONDUCTOR DEVICES SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION THEIR RELEVANT APPARATUS TRANSPORTING
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Beschreibung
Zusammenfassung:	A method of removing contaminants from a surface in a silicon substrate processing chamber. The method includes coating the surface which has been exposed to contaminants including metal particles with a material preferably including silicon. During coating, contaminants are collected by the material being applied. The method further includes removing the material and any contaminants that have been collected by the material during coating. The method can be performed after the surface has been exposed to contaminants from ambient air or moisture during cleaning or preventive maintenance procedures, for example. Also, the method is preferably performed before any baking procedures or before the chamber is heated to drive out any moisture that has been introduced to the chamber.