Method of forming dielectric layer

Method of forming dielectric layer

A method of forming a dielectric layer is provided. A first dielectric layer is formed on a substrate having metal layers formed thereon. The first dielectric layer includes overhangs in the spaces between two neighboring metal layers and voids under the overhangs. The first dielectric layer is part...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Hauptverfasser: YU, HSU-SHENG, LO, SHING-ANN, YANG, TA-HUNG
Format: Patent
Sprache:chi ; eng
Schlagworte:
BASIC ELECTRIC ELEMENTS
ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
ELECTRICITY
SEMICONDUCTOR DEVICES
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Beschreibung
Zusammenfassung:A method of forming a dielectric layer is provided. A first dielectric layer is formed on a substrate having metal layers formed thereon. The first dielectric layer includes overhangs in the spaces between two neighboring metal layers and voids under the overhangs. The first dielectric layer is partially removed to cut off the overhangs and expose the voids and therefore openings are formed. A second dielectric layer is formed on the dielectric layer to fill up the opening.