Resist composition, method of forming resist pattern, polymeric compound, and compound

A resist composition including a resin component which exhibits changed solubility in a developing solution under action of acid, the resin component including a structural unit represented by general formula (a0) shown below in which Vax0 represents a single bond or a divalent linking group; Wa rep...

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Bibliographische Detailangaben
Hauptverfasser: Onishi, Koshi, Maehashi, Takaya, Arai, Masatoshi
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:A resist composition including a resin component which exhibits changed solubility in a developing solution under action of acid, the resin component including a structural unit represented by general formula (a0) shown below in which Vax0 represents a single bond or a divalent linking group; Wa represents a divalent aromatic hydrocarbon group which may have a substituent; Ya0 represents a carbon atom; Xa0 represents a group which forms a cyclic hydrocarbon group together with Ya0; Ra00 represents a hydrocarbon group which may have a substituent; provided that at least one of Xa0 and Ra00 has a carbon atom constituting a carbon-carbon unsaturated bond at an α-position of Ya0.