LDMOS Transistor and Method

LDMOS Transistor and Method

A method of forming a conductive through substrate via includes forming an opening in a first surface of a semiconductor substrate comprising a LDMOS transistor structure in the first surface, forming a first conductive layer in a first portion of the opening in the semiconductor substrate using fir...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Hauptverfasser: Zigldrum, Matthias, Birner, Albert, Brech, Helmut
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 forming a conductive through substrate via includes forming an opening in a first surface of a semiconductor substrate comprising a LDMOS transistor structure in the first surface, forming a first conductive layer in a first portion of the opening in the semiconductor substrate using first deposition parameters such that the first conductive layer fills the opening in the first portion, and forming a second conductive layer on the first conductive layer in a second portion of the opening using second deposition parameters such that the second conductive layer bounds a gap in the second portion.