申请人:SUMITOMO CHEMICAL COMPANY, LIMITED
公开号:EP0358871A2
公开(公告)日:1990-03-21
A positive resist composition which comprises a 1,2-quinone diazide compound and an alkali-soluble resin containing a polyphenol compound (I) of the general formula:
X-α-H (I)
wherein X is a group of the formula:
and α is a divalent group which comprises a repeating unit of the formula:
in which n is a number of not less than 1; a, b, c, d, e and f are the same or different and a number of 0-3, provided that d + f is not less than 1; R₁, R₂ and R₃ are the same or different and a C₁-C₁₈ alkyl group, a C₁-₁₈ alkoxy group, a carboxyl group or a halogen atom; R₄ is a hydrogen atom, a C₁-C₁₈ alkyl group or an aryl group, which which resist composition is sensitive to radiation and has good balance of sensitivity, resolving power and heat resistance.
一种阳离子抗蚀剂组合物,它由 1,2-醌二叠氮化合物和含有通式为
X-α-H (I)
其中 X 是式中的一个基团:
和 α 是二价基团,包括式中的重复单元:
其中 n 为不小于 1 的数字;a、b、c、d、e 和 f 为相同或不同且为 0-3 的数字,条件是 d + f 不小于 1;R₁、R₂ 和 R₃ 是相同或不同的 C₁-C₁₈ 烷基、C₁-₁₈ 烷氧基、羧基或卤原子;R₄ 是氢原子、C₁-C₁₈ 烷基或芳基,这种抗蚀剂组合物对辐射敏感,并在敏感性、分辨力和耐热性之间具有良好的平衡。