RESIST COMPOSITION, RESIST PATTERN FORMATION METHOD, POLYPHENOL COMPOUND USED THEREIN, AND ALCOHOL COMPOUND CAPABLE OF BEING DERIVED THEREFROM
申请人:Mitsubishi Gas Chemical Company, Inc.
公开号:EP2743769A1
公开(公告)日:2014-06-18
The present invention provides a resist composition containing a compound represented by the general formula (1) or (2), a method for forming a resist pattern using the composition, a polyphenolic compound for use in the composition, and an alcoholic compound that can be derived therefrom.
wherein R1 are each independently a single bond or a 2n-valent hydrocarbon group having 1 to 30 carbon atoms wherein the hydrocarbon group may have a cyclic hydrocarbon group, a double bond, a heteroatom, or an aromatic group having 6 to 30 carbon atoms; R2 are each independently a hydrogen atom, a halogen atom, a linear, branched, or cyclic alkyl group having 1 to 10 carbon atoms, an aryl group having 6 to 10 carbon atoms, an alkenyl group having 2 to 10 carbon atoms, or a hydroxyl group and may be the same or different on the same naphthalene ring; at least one of R2 is a hydroxyl group; n is an integer of 1 to 4; the structural formulas of the repeating units in the formulas (1) and (2) may be the same or different; in the general formula (1), m1 are each independently an integer of 1 to 7; and in the general formula (2), X are each independently an oxygen atom or a sulfur atom, and m2 are each independently an integer of 1 to 6.
本发明提供了一种含有通式(1)或(2)所代表的化合物的抗蚀剂组合物、一种使用该组合物形成抗蚀剂图案的方法、一种用于该组合物的多酚化合物,以及一种可从该组合物中提取的醇类化合物。
其中 R1 各自独立地为单键或具有 1 至 30 个碳原子的 2n 价烃基,其中烃基可以是环烃基、双键、杂原子或具有 6 至 30 个碳原子的芳香基;R2 各自独立地为氢原子、卤素原子、具有 1 至 10 个碳原子的直链、支链或环状烷基、具有 6 至 10 个碳原子的芳基、具有 2 至 10 个碳原子的烯基或羟基,在同一萘环上可以相同或不同;R2中至少有一个是羟基; n是1至4的整数;式(1)和式(2)中重复单元的结构式可以相同或不同;通式(1)中,m1各自独立地是1至7的整数;通式(2)中,X各自独立地是氧原子或硫原子,m2各自独立地是1至6的整数。