JP2645384B

A positive type photosensitive resinous composition comprising a base resin, having at least one side chain or at an end portion of its main chain, an iminosulfonate group of the formula: in which R1 and R2 are the same or are different and each represents a hydrogen atom or an alkyl, acyl, phenyl,...

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Hauptverfasser: SHIRAI MASAMITSU, NISHIJIMA KANJI, KADOOKA MASAHIRO, ISHIKAWA KATSUKYO
Format: Patent
Sprache:eng
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Zusammenfassung:A positive type photosensitive resinous composition comprising a base resin, having at least one side chain or at an end portion of its main chain, an iminosulfonate group of the formula: in which R1 and R2 are the same or are different and each represents a hydrogen atom or an alkyl, acyl, phenyl, naphthyl, anthryl or benzyl group, or R1 and R2, together with the adjacent carbon atom, form an alicyclic ring, and a group containing an acid-decomposable bond, the content of said iminosulfonate groups being 1x10 to 3x10 equivalent/g; the composition also containing groups containing an acid-decomposable bond.