HIGH PERFORMANCE IMAGE SENSOR

HIGH PERFORMANCE IMAGE SENSOR

The present disclosure, in some embodiments, relates to a method of forming an integrated chip. The method includes forming a masking layer on a first side of a substrate. A first etching process is performed on the first side of the substrate with the masking layer in place. The masking layer is re...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Hauptverfasser: Wu, Tung-Ting, Sze, Jhy-Jyi, Huang, Yimin
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:The present disclosure, in some embodiments, relates to a method of forming an integrated chip. The method includes forming a masking layer on a first side of a substrate. A first etching process is performed on the first side of the substrate with the masking layer in place. The masking layer is removed. A second wet etching process is performed on the first side of the substrate after removing the masking layer. The first etching process and the second wet etching process collectively form a plurality of topographical features respectively having a triangular shape in a cross-section.