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    • 4. 发明授权
    • Process for manufacturing planographic printing plate
    • 平版印刷版制造工艺
    • US5380612A
    • 1995-01-10
    • US59750
    • 1993-05-12
    • Yasuo KojimaKatsura HiraiKiyoshi Goto
    • Yasuo KojimaKatsura HiraiKiyoshi Goto
    • G03G13/26G03G5/05G03G5/07G03G13/28G03G13/10G03G13/22G03G13/12
    • G03G13/28G03G5/0517G03G5/075
    • A process for manufacturing a planographic printing plate using a photosensitive planographic printing plate comprising a conductive support and provided thereon, a photoconductive layer containing an alkali soluble resin, a photoconductor and a photosolubilizable photosensitive compound comprises the steps of forming an electrophotographic latent image on the photoconductive layer, developing the latent image with liquid developer to form a toner image layer, uniformly exposing overall to actinic light the entire photoconductive layer, and removing the photoconductive layer where no toner image layer has been formed, the transmission density of the toner image layer to the actinic light being not less than 0.6, and the transmission density per unit thickness of the toner image layer to the actinic light being not less than 0.03 dm.sup.2 /g.
    • 使用包含导电性支持体并设置在其上的光敏平版印刷版的平版印刷版的制造方法,含有碱溶性树脂的感光层,光电导体和光致变色性感光性化合物,包括以下步骤:在光电导 层,用液体显影剂显影潜像以形成调色剂图像层,整体光敏光均匀地曝光整个光电导层,以及除去其上没有形成调色剂图像层的光电导层,调色剂图像层的透射密度 光化光不小于0.6,并且调色剂图像层与光化光的每单位厚度的透射密度不小于0.03dm 2 / g。