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    • 2. 发明授权
    • Heat-sensitive recording medium affording patterns with different colors
    • 热敏记录介质提供不同颜色的图案
    • US4500896A
    • 1985-02-19
    • US573357
    • 1984-01-24
    • Keishi KuboHideo WatanabeNobuhiro TakigawaMinoru HagiriKanjiro Kawasaki
    • Keishi KuboHideo WatanabeNobuhiro TakigawaMinoru HagiriKanjiro Kawasaki
    • B41M5/00B41M5/34B41M5/382B41M5/22
    • B41M5/38235B41M5/345Y10S428/913Y10S428/914
    • A heat-sensitive recording medium including:(a) a transferring sheet which includesa first substrate,a lower layer provided over the first substrate and comprised of a discoloring agent and a solid ink having a first color, andan upper layer provided above the lower layer and containing a leuco-compound capable of coloring in a second color which is different from the first color by reaction with a developer at such a first temperature that at least one of said leuco-compound and said developer can melt but that neither the discoloring agent nor the solid ink can melt, the leuco-compound being incapable of coloring upon contact with the developer in the presence of the discoloring agent at such a second temperature that both of the discoloring agent and the solid ink can melt; and(b) a receiving sheet which includesa second substrate, anda developing layer provided over the second substrate and containing the developer. When the recording medium is subjected to thermal recording temperatures with the upper layer being maintained in thermal contact with the developing layer, there are formed a first image developed by the contact between the leuco-compound and the developer at the first temperature and a second, fused image of the solid ink at the second temperature, the first and second images being received by the receiving sheet.
    • 一种热敏记录介质,包括:(a)转印片,其包括第一基底,设置在所述第一基底上的下层,包含变色剂和具有第一颜色的固体墨,以及设置在所述第一基底上方的上层 并且含有能够在第一个温度下与显色剂反应而与第一颜色不同的第二颜色的无色复合物,使得所述无色化合物和所述显影剂中的至少一种可以熔化,但是, 变色剂和固体油墨可以熔融,所述无色复合物在变色剂存在下与显色剂接触时不能在使变色剂和固体油墨两者融化的第二温度下着色; 和(b)包括第二衬底的接收片和设置在第二衬底上并含有显影剂的显影层。 当记录介质经受保持与显影层热接触的上层的热记录温度时,形成在第一温度下由无色化合物和显影剂之间的接触显影的第一图像, 在第二温度下固体油墨的融合图像,第一和第二图像由接收纸张接收。