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Synthesis and Evaluation of Novel Resist Monomers and Copolymers for ArF Lithography

机译:用于ArF光刻的新型抗蚀剂单体和共聚物的合成与评价

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We report effects of methacrylates with polar group on resist performance determined by Quartz crystal microbalance (QCM) method. We found that high composition ratio of mevalonic lactone methacrylate accelerates dissolution of the resist film, which is suitable for high resolution resist. In addition, dissolution rate of the resist film depends on the structure of polar monomer. Also, a difference of swelling depending on the structure of polar monomer was observed in a low exposure dose. We think that the polymer polarity and acid dissociation energy of pendant group were influential to these phenomena. This information is also useful to develop new materials for ArF lithography.
机译:我们报告了具有极性基团的甲基丙烯酸酯对通过石英晶体微天平(QCM)方法确定的抗蚀剂性能的影响。我们发现,高比例的甲羟戊酸内酯甲基丙烯酸酯促进了抗蚀剂膜的溶解,这适用于高分辨率抗蚀剂。另外,抗蚀剂膜的溶解速度取决于极性单体的结构。另外,在低暴露剂量下观察到取决于极性单体的结构的溶胀差异。我们认为侧基的聚合物极性和酸离解能对这些现象有影响。该信息对于开发用于ArF光刻的新材料也很有用。

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