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    • 1. 发明专利
    • FORMATION OF PRINT MATRIX AND CAST PRINT
    • JPH02276667A
    • 1990-11-13
    • JP9744889
    • 1989-04-19
    • TSUKINEKO KK
    • YASOJIMA HARUOKITAHARA KENGO
    • B41K1/00B41K1/02
    • PURPOSE:To facilitate the formation and to provide sharp print by dissolving non-hardened portion, i.e., non-exposed portion, of the optically insoluble photosensitive agent layer of exposed wax material with water or solvent and forming a print matrix. CONSTITUTION:When a projecting or recessed print face of matrix Y is formed on the surface of an optically insoluble photosensitive agent layer 3 through an original plate 2, protective cover 7 for the optically insoluble photosensitive agent layer 3 is removed then the original plate 2 is applied tightly onto the peeled surface of the cover 7 and exposed through a chemical lamp. Thereafter, non-exposed portion is washed off with water or organic solvent by means of a brush 9. Furthermore, water is cut off sufficiently from the surface of the optically insoluble photosensitive agent layer 3 where the non-hardened portion is removed sufficiently by means of a sponge roll 10, then hot air 11 drying is carried out. Upon finish of water washing and drying, the surface of the optically insoluble photosensitive agent layer 3 is exposed 12 again thus eliminating non-exposed portion.