Tetrahydrofuran compounds of formula (1) wherein the broken line represents a single bond, a divalent organic group, or a structure in which the alicyclic structure in the form of norbornene or tetracyclo[4.4.0.1
2,5
.1
7,10
]dodecene and the tetrahydrofuran cyclic structure share one or two constituent carbon atoms, and k is 0 or 1 are novel and useful as monomers to form base resins for use in chemically amplified resist compositions adapted for micropatterning lithography.
1
公式(1)中的
四氢呋喃化合物,其中断裂的线表示单键,二价有机基团或环状结构,该环状结构以诺博尔烯或四环[4.4.0.12,5.17,10]
十二烯的形式存在,并且
四氢呋喃环状结构共享一个或两个构成碳原子,k为0或1,是一种新颖且有用的单体,用于形成基础
树脂,用于
化学增强型抗蚀剂组合物,适用于微细图案印刷。