SEMICONDUCTOR MANUFACTURING MONITORING PROCESS

SEMICONDUCTOR MANUFACTURING MONITORING PROCESS

The invention provides in method and systems for determining the amount of solid precursor in a precursor vessel of a semiconductor manufacturing process, wherein the amount of precursor in the precursor vessel is determined by measuring through monochromatic measurements an optical absorption in th...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Deckers, Jan, Shero, Eric James
Format: Patent
Sprache:eng ; fre ; ger
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:The invention provides in method and systems for determining the amount of solid precursor in a precursor vessel of a semiconductor manufacturing process, wherein the amount of precursor in the precursor vessel is determined by measuring through monochromatic measurements an optical absorption in the process gas flowing from the precursor vessel to the process chamber.