PHOTOSENSITIVE COMPOSITION FOR EUV LIGHT, PATTERN FORMATION METHOD, AND METHOD FOR MANUFACTURING ELECTRONIC DEVICE

Provided are: a photosensitive composition for EUV light having a good Z-factor and with which it is possible to form a pattern in which bridge defects are inhibited; a pattern formation method; and a method for manufacturing an electronic device. The photosensitive composition for EUV light include...

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Main Authors OKA Hironori, SHIRAKAWA Michihiro, FURUTANI Hajime
Format Patent
LanguageEnglish
French
Japanese
Published 24.10.2019
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Abstract Provided are: a photosensitive composition for EUV light having a good Z-factor and with which it is possible to form a pattern in which bridge defects are inhibited; a pattern formation method; and a method for manufacturing an electronic device. The photosensitive composition for EUV light includes a prescribed resin and a photoacid generator, or a prescribed resin having a repeating unit having a photoacid generation group, and the photosensitive composition satisfies conditions 1-3. Condition 1: The A value derived in formula (1) is 0.14 or more. Formula (1): A = ([H] × 0.04 + [C] × 1.0 + [N] × 2.1 + [O] × 3.6 + [F] × 5.6 + [S] × 1.5 + [I] × 39.5)/([H] × 1 + [C] × 12 + [N] × 14 + [O] × 16 + [F] × 19 + [S] × 32 + [I] × 127). Condition 2: The solid component concentration in the photosensitive composition for EUV light is 5.0 mass% or less. Condition 3: The content of the photoacid generator is 5-50 mass% of the total solid components in the photosensitive composition for EUV light. L'invention concerne : une composition photosensible pour lumière EUV, cette composition ayant un bon facteur Z et permettant de former un motif dans lequel des défauts de pont sont inhibés; un procédé de formation de motif; et un procédé de fabrication d'un dispositif électronique. La composition photosensible pour lumière EUV comprend une résine prescrite et un générateur de photoacide, ou une résine prescrite ayant un motif récurrent doté d'un groupe générateur de photoacide, et la composition photosensible satisfait les conditions 1-3. Condition 1 : la valeur A dérivée par la formule (1) est supérieure ou égale à 0,14. Formule (1) : A = ([H] × 0,04 + [C] × 1,0 + [N] × 2,1 + [O] × 3,6 + [F] × 5,6 + [S] × 1,5 + [I] × 39,5)/[H] × 1 + [C] × 12 + [N] × 14 + [O] × 16 + [F] × 19 + [S] × 32 + [I] × 127). Condition 2 : la teneur en matières solides présentes dans la composition photosensible pour lumière EUV est de 5,0 % en masse ou moins. Condition 3 : la teneur du générateur de photoacide est de 5 à 50 % en masse des composants solides totaux présents dans la composition photosensible pour lumière EUV. Z-factorが良好で、かつ、ブリッジ欠陥が抑制されたパターンを形成可能なEUV光用感光性組成物、パターン形成方法、及び、電子デバイスの製造方法を提供する。EUV光用感光性組成物は、所定の樹脂、及び、光酸発生剤を含むか、または、光酸発生基を有する繰り返し単位を有する、所定の樹脂を含み、要件1~要件3を満たす。 要件1:式(1)で求められるA値が0.14以上である。 式(1):A=([H]×0.04+[C]×1.0+[N]×2.1+[O]×3.6+[F]×5.6+[S]×1.5+[I]×39.5)/([H]×1+[C]×12+[N]×14+[O]×16+[F]×19+[S]×32+[I]×127) 要件2:EUV光用感光性組成物中の固形分濃度が5.0質量%以下である。 要件3:光酸発生剤の含有量が、EUV光用感光性組成物中の全固形分に対して、5~50質量%である。
AbstractList Provided are: a photosensitive composition for EUV light having a good Z-factor and with which it is possible to form a pattern in which bridge defects are inhibited; a pattern formation method; and a method for manufacturing an electronic device. The photosensitive composition for EUV light includes a prescribed resin and a photoacid generator, or a prescribed resin having a repeating unit having a photoacid generation group, and the photosensitive composition satisfies conditions 1-3. Condition 1: The A value derived in formula (1) is 0.14 or more. Formula (1): A = ([H] × 0.04 + [C] × 1.0 + [N] × 2.1 + [O] × 3.6 + [F] × 5.6 + [S] × 1.5 + [I] × 39.5)/([H] × 1 + [C] × 12 + [N] × 14 + [O] × 16 + [F] × 19 + [S] × 32 + [I] × 127). Condition 2: The solid component concentration in the photosensitive composition for EUV light is 5.0 mass% or less. Condition 3: The content of the photoacid generator is 5-50 mass% of the total solid components in the photosensitive composition for EUV light. L'invention concerne : une composition photosensible pour lumière EUV, cette composition ayant un bon facteur Z et permettant de former un motif dans lequel des défauts de pont sont inhibés; un procédé de formation de motif; et un procédé de fabrication d'un dispositif électronique. La composition photosensible pour lumière EUV comprend une résine prescrite et un générateur de photoacide, ou une résine prescrite ayant un motif récurrent doté d'un groupe générateur de photoacide, et la composition photosensible satisfait les conditions 1-3. Condition 1 : la valeur A dérivée par la formule (1) est supérieure ou égale à 0,14. Formule (1) : A = ([H] × 0,04 + [C] × 1,0 + [N] × 2,1 + [O] × 3,6 + [F] × 5,6 + [S] × 1,5 + [I] × 39,5)/[H] × 1 + [C] × 12 + [N] × 14 + [O] × 16 + [F] × 19 + [S] × 32 + [I] × 127). Condition 2 : la teneur en matières solides présentes dans la composition photosensible pour lumière EUV est de 5,0 % en masse ou moins. Condition 3 : la teneur du générateur de photoacide est de 5 à 50 % en masse des composants solides totaux présents dans la composition photosensible pour lumière EUV. Z-factorが良好で、かつ、ブリッジ欠陥が抑制されたパターンを形成可能なEUV光用感光性組成物、パターン形成方法、及び、電子デバイスの製造方法を提供する。EUV光用感光性組成物は、所定の樹脂、及び、光酸発生剤を含むか、または、光酸発生基を有する繰り返し単位を有する、所定の樹脂を含み、要件1~要件3を満たす。 要件1:式(1)で求められるA値が0.14以上である。 式(1):A=([H]×0.04+[C]×1.0+[N]×2.1+[O]×3.6+[F]×5.6+[S]×1.5+[I]×39.5)/([H]×1+[C]×12+[N]×14+[O]×16+[F]×19+[S]×32+[I]×127) 要件2:EUV光用感光性組成物中の固形分濃度が5.0質量%以下である。 要件3:光酸発生剤の含有量が、EUV光用感光性組成物中の全固形分に対して、5~50質量%である。
Author OKA Hironori
SHIRAKAWA Michihiro
FURUTANI Hajime
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DocumentTitleAlternate COMPOSITION PHOTOSENSIBLE POUR LUMIÈRE EUV, PROCÉDÉ DE FORMATION DE MOTIF ET PROCÉDÉ DE PRODUCTION DE DISPOSITIF ÉLECTRONIQUE
EUV光用感光性組成物、パターン形成方法、電子デバイスの製造方法
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Snippet Provided are: a photosensitive composition for EUV light having a good Z-factor and with which it is possible to form a pattern in which bridge defects are...
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SubjectTerms APPARATUS SPECIALLY ADAPTED THEREFOR
CINEMATOGRAPHY
ELECTROGRAPHY
HOLOGRAPHY
MATERIALS THEREFOR
ORIGINALS THEREFOR
PHOTOGRAPHY
PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES,e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTORDEVICES
PHYSICS
Title PHOTOSENSITIVE COMPOSITION FOR EUV LIGHT, PATTERN FORMATION METHOD, AND METHOD FOR MANUFACTURING ELECTRONIC DEVICE
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