ETCH STOP LAYER FOR MEMORY DEVICE FORMATION

ETCH STOP LAYER FOR MEMORY DEVICE FORMATION

The present disclosure relates to an integrated chip in some embodiments. The integrated chip includes an inter-level dielectric (ILD) laterally surrounding a memory device. One or more sidewall spacers are arranged along opposing sides of the memory device. The one or more sidewall spacers have a b...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Huang, Sheng-Huang, Min, Chung-Chiang, Chuang, Harry-Hak-Lay, Chen, Sheng-Chang, Wang, Hung Cho
Format: Patent
Sprache:eng
Schlagworte:
BASIC ELECTRIC ELEMENTS
ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
ELECTRICITY
INFORMATION STORAGE
PHYSICS
SEMICONDUCTOR DEVICES
STATIC STORES
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Beschreibung
Zusammenfassung:The present disclosure relates to an integrated chip in some embodiments. The integrated chip includes an inter-level dielectric (ILD) laterally surrounding a memory device. One or more sidewall spacers are arranged along opposing sides of the memory device. The one or more sidewall spacers have a bottom surface over a bottom of the memory device. An etch stop layer is disposed on the one or more sidewall spacers and along the opposing sides of the memory device. An upper interconnect is arranged directly over the memory device, a top surface of the one or more sidewall spacers, and an upper surface of the etch stop layer. The upper surface of the etch stop layer is vertically below a top of the memory device