METHODS FOR PROCESSING SEMICONDUCTOR WAFERS HAVING A POLYCRYSTALLINE FINISH

METHODS FOR PROCESSING SEMICONDUCTOR WAFERS HAVING A POLYCRYSTALLINE FINISH

A method of processing a semiconductor wafer includes depositing a silicon layer on the semiconductor wafer. A first slurry is applied to the semiconductor wafer and the silicon layer is polished to smooth the silicon layer. A second slurry is applied to the semiconductor wafer. The second slurry in...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Hauptverfasser: Wang, Hui, Chu, Alex, Grabbe, Alexis
Format: Patent
Sprache:eng
Schlagworte:
ADHESIVES
BASIC ELECTRIC ELEMENTS
CHEMISTRY
DYES
ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
ELECTRICITY
METALLURGY
MISCELLANEOUS APPLICATIONS OF MATERIALS
MISCELLANEOUS COMPOSITIONS
NATURAL RESINS
PAINTS
POLISHES
POLISHING COMPOSITIONS OTHER THAN FRENCH POLISH
SEMICONDUCTOR DEVICES
SKI WAXES
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Beschreibung
Zusammenfassung:A method of processing a semiconductor wafer includes depositing a silicon layer on the semiconductor wafer. A first slurry is applied to the semiconductor wafer and the silicon layer is polished to smooth the silicon layer. A second slurry is applied to the semiconductor wafer. The second slurry includes a greater amount of a caustic agent than the first slurry.