Patent ID: 9057959
Filing Date: 2015-06-16
Classification: G03F

Abstract:
1. A developer for photosensitive resist materials comprising an ammonium hydroxide having the general formula (1): wherein R 1 is a straight, branched or cyclic C 1 -C 10 alkyl, C 2 -C 10 alkenyl or alkynyl, C 6 -C 14 aryl, C 7 -C 14 aralkyl, C 8 -C 14 arylalkenyl, C 4 -C 8 heterocyclic group, NR 2 group, or a combination thereof, which may contain hydroxyl, alkoxy, ether, ester, thioester, carbonyl, cyano, halogen, amino, nitro, sulfur, nitrogen, or quaternary ammonium salt, wherein R is each independently hydrogen or C 1 -C 3 alkyl, R 2 is hydrogen or methyl, R 3 is methylene or ethylene, R 4 to R 6 are each independently straight or branched C 1 -C 6 alkyl or benzyl, and X is oxygen, sulfur, ester, thioester or NH.