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    • 13. 发明授权
    • Dye-forming electrically activatable recording material and process
    • 染料形成可电激活的记录材料和工艺
    • US4343880A
    • 1982-08-10
    • US161626
    • 1980-06-20
    • Mark Lelental
    • Mark Lelental
    • G03C1/498G03G5/026G03G5/14G03G15/24G03G13/22
    • G03C1/498G03G5/026G03G5/14
    • A dye-forming electrically activatable recording element comprises an electrically conductive support having thereon (a) an electrically activatable recording layer comprising in an electrically conductive polymeric binder, an organic silver salt and a reducing agent, (b) a photoconductive layer separated from (a) by an air gap of up to 20 microns, and (c) an electrically conductive layer on (b), wherein the recording layer (a) comprises in reactive association, (A) a dye-forming coupler, and (B) an oxidation-reduction combination comprising (i) an organic silver salt oxidizing agent, with (ii) a reducing agent which in its oxidized form forms a dye with the dye-forming coupler. The recording element can be room light handleable and can provide a dye image and silver image by dry development processing.
    • 染料形成的可电致活化记录元件包括其上具有导电载体(a)可电致活化的记录层,其包含导电聚合物粘合剂,有机银盐和还原剂,(b)从(a ),(c)(b)上的导电层,其中所述记录层(a)包含反应性缔合,(A)染料形成成色剂,和(B) 氧化还原组合,其包含(i)有机银盐氧化剂,和(ii)其氧化形式的还原剂与染料形成成色剂形成染料。 记录元件可以是室内光线处理,可以通过干式显影处理提供染色图像和银色图像。
    • 20. 发明授权
    • Dye-forming electrically activatable recording element and process
    • 染料形成电激活记录元件和工艺
    • US4727008A
    • 1988-02-23
    • US870575
    • 1986-06-04
    • Mark LelentalScott A. Brownstein
    • Mark LelentalScott A. Brownstein
    • B41M5/20G03G5/12G03G13/01G03G15/24G03G13/22
    • G03G5/12G03G13/01
    • A dye-forming electrically activatable recording (EAR) element which is capable of forming at least two dye images comprises an electrically conductive support bearing on one side of the support at least a dye-forming layer (A) responsive to negative polarity charge exposure and at least one dye-forming layer (B) responsive to positive polarity charge exposure and, optionally, other dye-forming layers. A multicolor dye image can be formed in the dye-forming electrically activatable recording element by multistep imagewise charge exposure in which the exposure steps are reversed in electrical polarity at each step. The reversal of polarity of exposure at differing charge density levels enables formation of a dye image in at least one layer without formation of a dye image in another layer. Processing of the exposed dye-forming electrically activatable recording element is carried out by thermal processing or by means of processing solutions or baths.
    • 能够形成至少两种染料图像的染料形成电激活记录(EAR)元件包括至少一种响应于负极性电荷暴露的染料形成层(A)的载体的一侧上的导电载体轴承, 至少一个响应于正极性电荷暴露的染料形成层(B)和任选的其它染料形成层。 可以通过多步成像电荷曝光在染料形成电激活的记录元件中形成多色染料图像,其中曝光步骤在每个步骤的电极性反转。 在不同电荷密度水平下的曝光极性的反转使得能够在至少一层中形成染料图像,而不在另一层中形成染料图像。 曝光的染料形成电可活化记录元件的处理通过热处理或通过处理溶液或浴进行。