Patent ID: 6171759
Filing Date: 2001-01-09
Classification: G03F,Y10S

Abstract:
A photocurable composition highly sensitive to near infrared radiation and visible light having a wavelength of greater than 550 nm, comprising:100 parts by weight of a radical polymerizable unsaturated group-bearing compound;1-40 parts by weight of a metal arene compound;0.05-20 parts by weight of a squarylium dye; and0.1-20 parts by weight of N,N-dialkylaniline sensitizer selected from the group consisting of N,N-dimethylaniline, N,N-diethylaniline, N,N,2,4,6-pentamethylaniline, 2,6-diethyl-N,N-dimethylaniline, 2,6-diisopropyl-N,N-dimethylaniline, p-t-butyl-N,N-dimethylaniline, 4,4-methylenebis-N,N-dimethylaniline, 4-bromo-N,N-dimethylaniline, 4-chloro-N,N-dimethylaniline, 3-chloro-N,N-dimethylaniline, 4-fluoro-N,N-dimethylaniline, N,N-dimethyl-p-toluidine, N,N-dimethyl-p-phenylenediamine, N,N-dimethyl-m-phenylenediamine, and 4-dimethylaminoazobenzene.