Semiconductor device manufacturing apparatus and a method of controlling a semiconductor device manufacturing process

A particle monitor in the process chamber of a semiconductor device manufacturing apparatus provides a measure of a flux of contaminant particles in the chamber. The flux is measured whilst process conditions are produced in the process chamber and a process parameter is adjusted in response to the...

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Bibliographische Detailangaben
1. Verfasser:	SIMMONS JONATHON YANCEY
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 ELECTRICITY 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 particle monitor in the process chamber of a semiconductor device manufacturing apparatus provides a measure of a flux of contaminant particles in the chamber. The flux is measured whilst process conditions are produced in the process chamber and a process parameter is adjusted in response to the measured flux in order to reduce this flux during the process. In an ion implanter, the particle sensor (24) measures the flux of particles entrained with the ion beam (32) at a location in front of the wafer being processed.