ACTINIC RAY-SENSITIVE OR RADIATION-SENSITIVE RESIN COMPOSITION, RESIST FILM, PATTERN FORMING METHOD, AND METHOD FOR PRODUCING ELECTRONIC DEVICE

According to an actinic ray-sensitive or radiation-sensitive resin composition containing a compound (C) represented by a formula (Q1) below and an acid-decomposable resin (A),in the formula (Q1), Ar1 represents an aromatic group, W1 represents an organic group, X1 represents a linking group includi...

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Hauptverfasser: SHIBUYA, Aina, MARUMO, Kazuhiro, GOTO, Akiyoshi, BEKKI, Yosuke, KOJIMA, Masafumi
Format: Patent
Sprache:eng
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Zusammenfassung:According to an actinic ray-sensitive or radiation-sensitive resin composition containing a compound (C) represented by a formula (Q1) below and an acid-decomposable resin (A),in the formula (Q1), Ar1 represents an aromatic group, W1 represents an organic group, X1 represents a linking group including at least one selected from the group consisting of -O-, -S-, -C(═O)-, -S(═O)-, and -S(═O)2-, Y1 represents an electron-withdrawing group, Z1 represents a halogen atom, M+ represents a cation, each of k1 and k2 represents an integer of 1 or more, and the group represented by -X1-W1- does not include *1-O-C(═O)-*2, *1 and *2 represent bonding sites, and *1 is a bonding site to Ar1, formation of a pattern excellent in CDU in ultrafine pattern formation even after a lapse of time from the preparation is enabled.