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    • 49. 发明授权
    • Thermal transfer ribbon
    • 热转印带
    • US07829162B2
    • 2010-11-09
    • US11895841
    • 2007-08-28
    • Jennifer EskraPamela A. GeddesDaniel J. HarrisonClaire A. JalbertBarry L. MargineanJohn Przybylo
    • Jennifer EskraPamela A. GeddesDaniel J. HarrisonClaire A. JalbertBarry L. MargineanJohn Przybylo
    • B41M5/40
    • B41M5/385B41M5/41B41M2205/06Y10T428/24843Y10T428/24901Y10T428/24926Y10T428/24942Y10T428/252
    • A thermal transfer printing medium that contains a thermal transfer layer which contains a first taggant and colorant, wherein: the first taggant comprises a fluorescent compound with an excitation wavelength selected from the group consisting of wavelengths of less than 400 nanometers, wavelengths of greater than 700 nanometers. When the thermal transfer layer is printed onto a white polyester substrate with a gloss of at least about 84, a surface smoothness Rz value of 1.2, and a reflective color represented by a chromaticity (a) of 1.91 and (b) of −6.79 and a lightness (L) of 95.63, when expressed by the CIE Lab color coordinate system, and when such printing utilizes a printing speed of 2.5 centimeters per second and a printing energy of 3.2 joules per square centimeter, a printed substrate with certain properties is produced. The printed substrate has a reflective color represented by a chromaticity (a) of from −15 to 15 and (b) from −18 to 18, and the printed substrate has a lightness (L) of less than about 35, when expressed by the CIE Lab color coordinate system. When the printed substrate is illuminated with light source that excites the first taggant with an excitation wavelength selected from the group consisting of wavelengths of less than 400 nanometers, wavelengths greater than 700 nanometers, the printed substrate produces a light fluorescence with a wavelength of from about 300 to about 700 nanometers.
    • 一种热转印打印介质,其包含含有第一标记物和着色剂的热转印层,其中:所述第一标签剂包含具有选自波长小于400纳米,波长大于700nm的激发波长的荧光化合物 纳米。 当热转印层被印刷到具有至少约84的光泽度的白色聚酯基材上时,表面光滑度Rz值为1.2,由色度(a)为1.91和(b)为-6.79所示的反射颜色和 当由CIE Lab色坐标系表示时,亮度(L)为95.63,当这种印刷利用2.5厘米/秒的印刷速度和3.2焦耳/平方厘米的印刷能力时,产生具有某些特性的印刷基板 。 印刷基板具有由-15至15的色度(a)和-18至18的(b)表示的反射颜色,并且印刷的基板的亮度(L)小于约35,当由 CIE Lab色彩坐标系。 当使用光源照射印刷基板时,激发第一标签牌的激光波长选自小于400纳米的波长,波长大于700纳米,印刷基板产生波长为约 300至约700纳米。