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    PRINTING FORM PRECURSOR, A PROCESS FOR MAKING THE PRECURSOR, AND A METHOD FOR PREPARING A PRINTING FORM FROM THE PRECURSOR
    1.
    发明申请
    PRINTING FORM PRECURSOR, A PROCESS FOR MAKING THE PRECURSOR, AND A METHOD FOR PREPARING A PRINTING FORM FROM THE PRECURSOR 审中-公开

    公开(公告)号：US20200254749A1

    公开(公告)日：2020-08-13

    申请号：US16858474

    申请日：2020-04-24

    申请人： DUPONT ELECTRONICS, INC.

    发明人： Robert M. Blomquist ,  Bradley K. Taylor ,  John Stephen Locke ,  Mark A. Hackler

    IPC分类号： B41C1/00 ,  G03F7/20

    摘要： The invention pertains to a photosensitive element, particularly a photopolymerizable printing form precursor; a method of preparing the photosensitive element to form a printing form for use in relief printing; and, a process of making the photosensitive element. The printing form precursor includes a layer of a photosensitive composition, a digital layer that is adjacent to a side of the photosensitive layer, and a cell pattern layer that is disposed between the photosensitive layer and the digital layer. The cell pattern layer includes a plurality of features in which each feature an area between 5 to 750 square microns and is composed of an ink that is opaque to actinic radiation and transparent to infrared radiation. Since the cell pattern layer is integral with the printing form precursor, digital imaging can occur rapidly with relatively low resolution optics to form a mask without needing to also form a microcell pattern of the digital layer. The printing form precursor having the integrated cell pattern layer facilitates the preparation of relief printing forms to have a print surface suitable for printing solids with uniform, dense coverage of ink.