DEVICE COMPRISING AN ANODIC POROUS REGION SURROUNDED BY A TRENCH HAVING AN ELECTRICAL ISOLATION BARRIER, AND CORRESPONDING METHOD

An electrical device that includes: a metal barrier layer; an anodic porous oxide region on the metal barrier layer; a trench around the anodic porous oxide region reaching the metal barrier layer; a liner at least on a wall of the trench on a side of the anodic porous oxide region forming an electr...

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Bibliographische Detailangaben
Hauptverfasser:	VOIRON, Frédéric, SOULIER, Brigitte
Format:	Patent
Sprache:	eng
Schlagworte:	APPARATUS THEREFOR BASIC ELECTRIC ELEMENTS CAPACITORS CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES ORLIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE CHEMISTRY ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR ELECTRICITY ELECTROFORMING ELECTROLYTIC OR ELECTROPHORETIC PROCESSES METALLURGY PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTIONOF COATINGS SEMICONDUCTOR DEVICES
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Beschreibung
Zusammenfassung:	An electrical device that includes: a metal barrier layer; an anodic porous oxide region on the metal barrier layer; a trench around the anodic porous oxide region reaching the metal barrier layer; a liner at least on a wall of the trench on a side of the anodic porous oxide region forming an electrical isolation barrier and having an opening onto the anodic porous oxide region; a hard mask arranged above the trenches and the liner having an opening onto the anodic porous oxide region. A corresponding manufacturing method is also disclosed.