Carbonylic halides as activators for phototropic compositions

Details Carbonylic halides as activators for phototropic compositions Carbonylic halides as activators for phototropic compositions

G - Physics

03

C

96/150, 96/246

G03C 1/00 (2006.01) G03C 1/73 (2006.01) G03F 7/105 (2006.01)

Patent

CA 1153610

ABSTRACT OF THE DISCLOSURE Compositions containing a polymerizable, curable or crosslinkable componellt, a photoinitiator, a color- former capable of changing color upon contact with a suitable activator and a latent activator containing an organic halide will become insoluble and change color under the influence of actinic radiation. The organic halide is a carbonylic compound such as an aliphatic or cycloaliphatic ketonce or an ester or amide of a dicarboxylic acid. The compositions are useful to make resists used in the electronics industry to manu- facture printed circuits.

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