A resist composition comprising a base resin comprising acid labile group-containing recurring units and preferably acid generator-containing recurring units, and a sodium, magnesium, potassium, calcium, rubidium, strontium, yttrium, cesium, barium or cerium salt of α-fluorinated sulfonic acid bonded to an alkyl, alkenyl, alkynyl or aryl group exhibits a high resolution and sensitivity and forms a pattern of satisfactory profile with minimal LWR after exposure and development.
一种抗蚀组合物包括基
树脂,其中包含含酸敏感基团的重复单元,最好包含含酸发生剂的重复单元,以及与烷基、烯基、炔基或芳基结合的α-
氟磺酸的
钠、
镁、
钾、
钙、
铷、
锶、
钇、
铯、
钡或
铈盐,表现出高分辨率和灵敏度,并在曝光和显影后形成具有最小LWR的满意轮廓图案。