The present invention provides a chemically amplified positive resist composition comprising (A) a resin which comprises (i) a structural unit of the formula (I) and (ii) at least one structural unit selected from the group consisting of structural units of the formulas (II), (III), (IV) and (V) and
(B) an acid generator.
The present invention further provides a novel monomers useful for the resist composition, and process for the monomers and the compositions.
本发明提供了一种
化学增感正性光阻组合物,包括(A)
树脂,该
树脂包括(i)公式(I)的结构单元和(ii)选自结构单元组的至少一个结构单元,所述结构单元组包括公式(II)、(III)、(IV)和(V)的结构单元,以及(B)酸发生剂。本发明还提供了一种新型单体,可用于制备光阻组合物,以及单体和组合物的制备方法。