Patent ID: 6916593
Filing Date: 2005-07-12
Classification: G03F,Y10S

Abstract:
1. A resist composition comprising one or more basic compounds selected from those represented by the following formula (I): wherein, n stands for 1, 2 or 3; side chains Xs are the same or different and each independently represents —R 1 —O—R 2 or —R 1 —C(═O)—O—R 61 , in which R 1 s are the same or different and each independently represents an alkylene group of 1 to 5 carbon atoms, R 2 s are the same or different and each independently represents a linear, branched or cyclic alkyl group of 1 to 20 carbon atoms containing a carbonyl or ester group, and R 61 s are the same or different and each independently represents a linear, branched or cyclic alkyl group of 1 to 20 carbon atoms which may contain a carbonyl group, an ester group, an ether group, a hydroxyl group or a lactone ring, or R 1 and R 2 , or R 1 and R 61 in the same side chain may be coupled together to form a ring; and side chains Ys are the same or different and each independently represents a hydrogen atom or a linear, branched or cyclic alkyl group of 1 to 20 carbon atoms which may contain an ether or hydroxyl group.