METHOD AND APPARATUS FOR CONTROLLED ION IMPLANTATION

A method of operating a beamline ion implanter may include performing, in an ion implanter, a first implant procedure to implant a dopant of a first polarity into a given semiconductor substrate, and generating an estimated implant dose of the dopant of the first polarity based upon a set of filtere...

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Bibliographische Detailangaben
Hauptverfasser:	White, Richard, Todorov, Stanislav S, Rodier, Dennis, Charnvanichborikarn, Supakit, Zhao, Wei, Zou, Wei, Gossmann, Hans-Joachim L, Eidukonis, Alexander K
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 method of operating a beamline ion implanter may include performing, in an ion implanter, a first implant procedure to implant a dopant of a first polarity into a given semiconductor substrate, and generating an estimated implant dose of the dopant of the first polarity based upon a set of filtered information, generated by the first implant procedure. The method may also include calculating an actual implant dose of the dopant of the first polarity using a predictive model based upon the estimated implant dose, and performing, in the ion implanter, an adjusted second implant procedure to implant a dopant of a second polarity into a select semiconductor substrate, based upon the actual implant dose.