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    • 7. 发明公开
    • 레지스트 패턴, 포지티브 레지스트 조성물 및 적층물을형성시키는 방법
    • 形成电阻图案,阳性电阻组合物和层状产品的方法
    • KR1020050084068A
    • 2005-08-26
    • KR1020057009825
    • 2003-12-01
    • 도오꾜오까고오교 가부시끼가이샤
    • 하다히데오미야이리미와구보타나오타카이와이다케시
    • G03F7/027G03F7/00
    • G03F7/40G03F7/0392G03F7/0397Y10S430/106Y10S430/111
    • There are provided a method of forming a resist pattern that enables the resist pattern to be formed with good control of the pattern size, as well as a positive resist composition used in the method, and a layered product formed using the positive resist composition. In the above method a positive resist composition comprising a resin component (A), which contains a structural unit (al) derived from a (meth)acrylate ester represented by a general formula (I) shown below, and displays increased alkali solubility under action of acid, and an acid generator component (B) that generates acid on exposure is applied to a substrate, a prebake is conducted, the resist composition is selectively exposed, post exposure baking (PEB) is conducted, alkali developing is then used to form a resist pattern, and the pattern size of the thus produced resist pattern is then narrowed by heat treatment.
    • 提供一种形成抗蚀剂图案的方法,其能够形成对图案尺寸的良好控制,以及该方法中使用的正性抗蚀剂组合物和使用正性抗蚀剂组合物形成的层叠体。 在上述方法中,含有含有由下述通式(I)表示的(甲基)丙烯酸酯衍生的结构单元(a1))的树脂成分(A)的正型抗蚀剂组合物在作用下显示出增加的碱溶解性 的酸,并且在基材上产生酸的酸发生剂组分(B)施加到基材上,进行预烘烤,选择性地暴露抗蚀剂组合物,进行曝光后烘烤(PEB),然后用碱显影形成 抗蚀剂图案,然后通过热处理使由此制得的抗蚀剂图案的图案尺寸变窄。