METHODS OF FORMING PATTERNS USING COMPOSITIONS FOR AN UNDERLAYER OF PHOTORESIST

A method of forming a pattern is disclosed. The method includes preparing a composition that includes a solvent and a polymer including a repeating unit in which at least one isocyanurate unit having a first structure is connected to another isocyanurate unit having a second structure different from...

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Bibliographische Detailangaben
Hauptverfasser: KANG Yool, HAN Man-Ho, RYU Jin-A, LEE Jung-Youl, MOON Kyung-Lyul, JEOUNG Yu-Jin, KIM Hyun-Jin
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:A method of forming a pattern is disclosed. The method includes preparing a composition that includes a solvent and a polymer including a repeating unit in which at least one isocyanurate unit having a first structure is connected to another isocyanurate unit having a second structure different from the first structure; applying the composition on a substrate to form an underlayer; forming a photoresist layer on the underlayer; etching the photoresist layer to form a photoresist pattern; and patterning the substrate using the photoresist pattern.