Apparatuses and methods utilizing etch stop layers

Provided herein is an apparatus, including a substrate; an etch stop layer overlying the substrate, wherein the etch stop layer is substantially resistant to etching conditions; and a patterned layer overlying the etch stop layer, wherein the patterned layer is substantially labile to the etching co...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Wago Koichi, Feldbaum Michael R, Gauzner Gennady, Lee Kim Y, Kuo David S
Format: Patent
Sprache:eng
Schlagworte:
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Beschreibung
Zusammenfassung:Provided herein is an apparatus, including a substrate; an etch stop layer overlying the substrate, wherein the etch stop layer is substantially resistant to etching conditions; and a patterned layer overlying the etch stop layer, wherein the patterned layer is substantially labile to the etching conditions, and wherein the patterned layer comprises a number of features including substantially consistent feature profiles among regions of high feature density and regions of low feature density.