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    • 12. 发明授权
    • Process for forming an ablation image
    • 用于形成消融图像的工艺
    • US06235454B1
    • 2001-05-22
    • US09515149
    • 2000-02-29
    • Mitchell BurberryLee W. Tutt
    • Mitchell BurberryLee W. Tutt
    • G03C500
    • B41M5/24Y10S430/146
    • A process of forming a single color, ablation image having a D-max, or unexposed area, D-min and D-intermediate, comprising imagewise-heating, by means of a laser in the absence of a separate receiving element, an ablative recording element comprising a support having thereon, in order, a barrier layer having UV density and a colorant layer comprising a colorant dispersed in a polymeric binder, the colorant layer having an infrared-absorbing material associated therewith, the laser exposure taking place through the colorant side of the element, a) the laser exposure used to obtain the D-intermediate density is such that the colorant layer in that area is substantially removed but substantially none of the barrier layer in that area is removed, so that the characteristic density vs. decreasing exposure curve of the ablative recording element has a plateau at the D-intermediate density, and b) the laser exposure used to obtain the D-min density is such that both the colorant layer and the barrier in that area are substantially removed.
    • 形成具有D-max或未曝光区域的单色消融图像D-min和D-中间体的过程,包括在没有单独的接收元件的情况下通过激光成像加热烧蚀记录 元素包括依次具有UV密度的阻挡层和包含分散在聚合物粘合剂中的着色剂层的着色剂层,所述着色剂层具有与之相关的红外线吸收材料,所述激光曝光通过着色剂侧发生 的元件,a)用于获得D-中间密度的激光曝光使得该区域中的着色剂层基本上被去除,但是基本上没有去除该区域中的阻挡层,使得特征密度对降低 烧蚀记录元件的曝光曲线具有D-中间密度的平台,b)用于获得D-min密度的激光曝光使得着色剂层和 该区域的屏障基本上被去除。