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    • 8. 发明申请
    • METHOD AND APPARATUS FOR PRODUCING PRINTING PLATE
    • 生产印刷板的方法和装置
    • WO1988002136A1
    • 1988-03-24
    • PCT/JP1987000665
    • 1987-09-08
    • DAINIPPON INK & CHEMICALS, INC.AZAMI, KyoichiroKUME, Shouji
    • DAINIPPON INK & CHEMICALS, INC.
    • G03G13/26
    • G03G13/28
    • Method and apparatus for producing a printing plate separates optically the colors of transmitted rays of light or reflected rays of light from a color original (1) and produces a color separation printing plate (18) of each color from this separated color ray of light. The color separation printing plate of each color has been produced conventionally by transferring separated color ray of light or color separated image to a film such as an expensive silver salt film and printing the color separated image transferred to an intermediate member consisting of this film to a printing original plate such as a PS plate. In contrast, the present invention uses an organic photo-conductor having optical sensitivity throughout the optical wavelength range of 400 nm to 700 nm as a printing original plate (9), exposes a charged original (a) to the separated color rays of light, which are obtained by optically color-separating the transmission or reflected rays of light from the color original (1), forms a toner image on the photosensitive layer of the original plate (9), fixes this toner image, removes or subjects to hydrophilic treatment the photosensitive layer of the non-image area of the original plate (9) and produces directly the color separation printing plate (18) without using any film such as an expensive silver salt film as the intermediate member.
    • 用于制造印版的方法和装置将来自颜色原稿(1)的透射光线或反射光线的颜色光学分离,并从该分离的彩色光线产生每种颜色的分色印版(18)。 通常,通过将分离的彩色光或分色图像转印到诸如昂贵的银盐膜的膜上并将转印到由该膜组成的中间构件的分色图像印刷到 印刷原版,如PS版。 相反,本发明使用在整个400nm至700nm的光学波长范围内具有光学灵敏度的有机光导体作为印刷原版(9),将带电原色(a)暴露于分离的彩色光线, 其通过光学颜色分离来自原色(1)的透射或反射光线获得,在原版(9)的感光层上形成调色剂图像,固定该调色剂图像,去除或进行亲水处理 原版(9)的非图像区域的感光层,并且不使用任何诸如昂贵的银盐膜的膜作为中间构件直接产生分色印刷板(18)。