Memory cell that includes a sidewall collar for pillar isolation and methods of forming the same

Memory cell that includes a sidewall collar for pillar isolation and methods of forming the same

In a first embodiment, a method of forming a memory cell is provided that includes (a) forming one or more layers of steering element material above a substrate; (b) etching a portion of the steering element material to form a pillar of steering element material having an exposed sidewall; (c) formi...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser: HERNER S. BRAD
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:In a first embodiment, a method of forming a memory cell is provided that includes (a) forming one or more layers of steering element material above a substrate; (b) etching a portion of the steering element material to form a pillar of steering element material having an exposed sidewall; (c) forming a sidewall collar along the exposed sidewall of the pillar; and (d) forming a memory cell using the pillar. Numerous other aspects are provided.