Full Colour Fluorescent Images Printed by Thermal Dye Transfer
Abstract: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.
Document Type: Research Article
Publication date: January 1, 2005
For more than 25 years, NIP has been the leading forum for discussion of advances and new directions in non-impact and digital printing technologies. A comprehensive, industry-wide conference, this meeting includes all aspects of the hardware, materials, software, images, and applications associated with digital printing systems, including drop-on-demand ink jet, wide format ink jet, desktop and continuous ink jet, toner-based electrophotographic printers, production digital printing systems, and thermal printing systems, as well as the engineering capability, optimization, and science involved in these fields.
Since 2005, NIP has been held in conjunction with the Digital Fabrication Conference.
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