COMPOSITION, FILM, AND PRODUCTION METHOD OF PATTERNED SUBSTRATE

The purpose of the present invention is to provide: a composition for forming a resist underlayer film, which is capable of forming a resist underlayer film that has excellent etching resistance, heat resistance, flatness and film defect suppressing properties; a resist underlayer film; a method for...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: TANIGUCHI, Tomoaki, NAKAFUJI, Shin-ya, TAKANASHI, Kazunori, EHARA, Kengo
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:The purpose of the present invention is to provide: a composition for forming a resist underlayer film, which is capable of forming a resist underlayer film that has excellent etching resistance, heat resistance, flatness and film defect suppressing properties; a resist underlayer film; a method for forming a resist underlayer film; and a method for producing a patterned substrate. The present invention is a composition for forming a resist underlayer film, which contains a compound that has a group represented by one of formulae (1-1) to (1-3) and a solvent. In formulae (1-1) to (1-3), each of * and ** represents a site which is bonded to a moiety other than the group represented by one of formulae (1-1) to (1-3) in the compound; each of a and b independently represents an integer of 0-3; in cases where a is 0, b is 1 or more; and in cases where a is 1 or more, b is 0.