Semiconductor arrangement comprising a trench and method of manufacturing the same

A semiconductor arrangement comprising a substrate having a first trench formed therein, a field plate layer arranged to extend within the first trench and coat the first trench, the field plate layer having a thickness such that it defines a second trench within the first trench, a barrier layer ar...

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Bibliographische Detailangaben
Hauptverfasser: BOETTCHER,, TIM, BEHTASH,, REZA, IGEL-HOLTZENDORFF,, THOMAS
Format: Patent
Sprache:eng ; fre ; ger
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Beschreibung
Zusammenfassung:A semiconductor arrangement comprising a substrate having a first trench formed therein, a field plate layer arranged to extend within the first trench and coat the first trench, the field plate layer having a thickness such that it defines a second trench within the first trench, a barrier layer arranged to coat an internal surface of the second trench; and a trench fill material configured to substantially planarize the first and second trenches.