Method and system of control of epitaxial growth

Method and system of control of epitaxial growth

A method of semiconductor fabrication includes positioning a substrate on a susceptor in a chamber and growing an epitaxial feature on the substrate. The growing includes providing UV radiation to a first region of a surface of the substrate and while providing the UV radiation, growing a first port...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Hauptverfasser: Kelly, Andrew Joseph, Chen, Winnie Victoria Wei-Ning
Format: Patent
Sprache:eng
Schlagworte:
BASIC ELECTRIC ELEMENTS
ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
ELECTRICITY
SEMICONDUCTOR DEVICES
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Beschreibung
Zusammenfassung:A method of semiconductor fabrication includes positioning a substrate on a susceptor in a chamber and growing an epitaxial feature on the substrate. The growing includes providing UV radiation to a first region of a surface of the substrate and while providing the UV radiation, growing a first portion of the epitaxial feature on the first region of the surface while concurrently growing a second portion of the epitaxial feature on a second region of the surface of the substrate. The first portion of the epitaxial feature can be greater in thickness than the second portion of the epitaxial feature.