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Full Colour Fluorescent Images Printed by Thermal Dye Transfer

机译:通过热染料转移打印的全彩色荧光图像

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摘要

Conventional Thermal dye transfer printing uses cyan, magenta and yellow (CMY) dyes to build up a full color image. This paper concerns the use of fluorescent dyes to build up a full color image which is virtually invisible under normal illumination, but glows brightly when illuminated with a UV blacklight. In order to obtain the image, the CMY dyeset is replaced by a red, green and blue (RGB) fluorescent dyeset. Unlike other forms of printing, the process employs additive color combination. If the RGB ribbon is used in a conventional printer instead of a CMY ribbon, the image must first be converted to a negative in order to give the correct color values. There are a number of applications envisaged for this process. It can provide an additional level of security on transaction cards, or it could be used for novelty applications.
机译:传统的热染料转移打印使用青色,品红色和黄色(CMY)染料来构建全彩色图像。本文涉及荧光染料的使用,以建立全彩色图像,该图像在正常照明下实际上是不可见的,但是在用紫外线黑光照明时会发光。为了获得图像,将CMY染料组替换为红色,绿色和蓝色(RGB)荧光染料组。与其他形式的印刷不同,该过程采用加色组合。如果在常规打印机中使用RGB色带而不是CMY色带,则必须首先将图像转换为负色,以提供正确的颜色值。设想有许多用于此过程的应用程序。它可以为交易卡提供更高级别的安全性,也可以用于新颖性应用程序。

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