MULTIPROCESS SUBSTRATE TREATMENT FOR ENHANCED SUBSTRATE DOPING

A method of doping a substrate may include exposing a substrate surface of the semiconductor substrate to a plasma clean, performing a deposition of a dopant layer on the substrate surface using a plasma source, after the plasma clean, the dopant layer comprising a dopant element; and exposing the s...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Olson, Joseph C, Hatem, Christopher R, Seebauer, Edmund G, Kennedy, Michael Noel
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:A method of doping a substrate may include exposing a substrate surface of the semiconductor substrate to a plasma clean, performing a deposition of a dopant layer on the substrate surface using a plasma source, after the plasma clean, the dopant layer comprising a dopant element; and exposing the substrate to an implant process when the dopant layer is disposed on the substrate surface, wherein the implant process introduces an ion species comprising the dopant element into the substrate, wherein the substrate is maintained under vacuum over a process duration spanning the plasma clean, the deposition of the dopant layer, and the implant process, and wherein at least a portion of the dopant layer is implanted into the substrate during the implant process.