Transistor device with sinker contacts and methods for manufacturing the same

In described examples, a device includes a semiconductor substrate; a buried layer; and a trench with inner walls extending from the buried layer to a surface of the semiconductor substrate, the trench having sidewalls, a bottom wall, a barrier layer including a titanium (Ti) layer covering the side...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	Chisholm, Michael F, Yang, Hong, Xiong, Yufei, Liu, Yunlong
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 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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