Vertical thermal nitride mask (anti-collar) and processing thereof

A 3D microelectronic structure is provided which includes a substrate having at least one opening present therein, the at least one opening having sidewalls which extend to a common bottom wall; and a thermal nitride layer present on at least an upper portion of each sidewall of openings. A method f...

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Bibliographische Detailangaben
Hauptverfasser:	GLUSCHENKOV OLEG, VARIAN KATHRYN H, SETTLEMYER, JR. KENNETH T, JAMMY RAJARAO, PARKS CHRISTOPHER C, CHUDZIK MICHAEL P, SRINIVASAN RADHIKA
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 3D microelectronic structure is provided which includes a substrate having at least one opening present therein, the at least one opening having sidewalls which extend to a common bottom wall; and a thermal nitride layer present on at least an upper portion of each sidewall of openings. A method for fabricating the above-mentioned 3D microelectronic structure is also provided. Specifically, the method includes a step of selectively forming a thermal nitride layer on at least an upper portion of each sidewall of an opening formed in a substrate.