RESIST COMPOSITION AND RESIST PATTERN FORMING METHOD

To provide a resist composition which achieves higher sensitivity and can form a resist pattern good in roughness reduction and patten shape.SOLUTION: The resist composition contains a base component (A), an acid generator component (B), and an acid diffusion control agent (D). The acid generator co...

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Bibliographic Details
Main Authors SOMEYA YASUO, KAIHO TAKAAKI
Format Patent
LanguageEnglish
Japanese
Published 18.05.2023
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Summary:To provide a resist composition which achieves higher sensitivity and can form a resist pattern good in roughness reduction and patten shape.SOLUTION: The resist composition contains a base component (A), an acid generator component (B), and an acid diffusion control agent (D). The acid generator component (B) contains a compound (B0) having a molar extinction coefficient at an exposure wavelength of 193 nm of 50,000 mol-1 L cm-1 or less. The acid diffusion control agent (D) contains a compound (D0) represented by general formula (d0). In the formula, Rd01 represents an optionally substituted cyclic group or the like; Yd01 represents a divalent linking group containing an oxygen atom; m represents an integer of 1 or more; and Mm+ represents an m-valent organic cation.SELECTED DRAWING: None 【課題】高感度化が図れ、かつ、ラフネスの低減性及びパターン形状が良好なレジストパターンを形成することができるレジスト組成物の提供。【解決手段】基材成分(A)と、酸発生剤成分(B)と、酸拡散制御剤(D)とを含有し、酸発生剤成分(B)は、露光波長193nmのモル吸光係数が50000mol-1・L・cm-1以下である化合物(B0)を含み、酸拡散制御剤(D)は、一般式(d0)で表される化合物(D0)を含む、レジスト組成物。式中、Rd01は、置換基を有してもよい環式基等である。Yd01は、酸素原子を含む2価の連結基である。mは1以上の整数であって、Mm+はm価の有機カチオンである。[化1]TIFF2023069242000079.tif12170【選択図】なし
Bibliography:Application Number: JP20210180983