Antireflective hard mask compositions

The invention includes new organic-containing compositions that can function as an antireflective layer for an overcoated photoresist. Compositions of the invention also can serve effectively as a hard mask layer by exhibiting a sufficient plasma etch selectivity from an undercoated layer. Preferred...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Gronbeck, Dana A, Kwok, Amy M, Truong, Chi Q, Gallagher, Michael K, Zampini, Anthony
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:The invention includes new organic-containing compositions that can function as an antireflective layer for an overcoated photoresist. Compositions of the invention also can serve effectively as a hard mask layer by exhibiting a sufficient plasma etch selectivity from an undercoated layer. Preferred compositions of the invention have a high Si content and comprise a blend of distinct resins.