RESIST COMPOSITION AND METHOD OF FORMING RESIST PATTERN

A resist composition that contains a resin component having a constitutional unit represented by General Formula (a0-1) and contains a photodecomposable base in which an acid dissociation constant of a conjugate acid is 4.0 or less, wherein R01 represents a hydrogen atom or an alkyl group having 1 t...

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Hauptverfasser: YAHAGI, Masahito, KOJIMA, Takahiro, ODASHIMA, Rin
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:A resist composition that contains a resin component having a constitutional unit represented by General Formula (a0-1) and contains a photodecomposable base in which an acid dissociation constant of a conjugate acid is 4.0 or less, wherein R01 represents a hydrogen atom or an alkyl group having 1 to 5 carbon atoms; Ya01 represents a single bond or a divalent linking group; Ra01 represents a hydrocarbon group; Ya02 represents a single bond or a divalent linking group; Ra02 represents a hydrogen atom, a hydroxy group, or a hydrocarbon group; Ar represents a benzene ring or a naphthalene ring; Ra01 and Ra02 may be bonded to each other to form a ring; n01 represents an integer in a range of 1 to 6