B - Operations – Transporting – 41 – M
Patent
B - Operations, Transporting
41
M
B41M 5/30 (2006.01) B41M 5/327 (2006.01) B41M 5/40 (2006.01) B41M 5/46 (2006.01) G11B 7/24 (2006.01) G11B 7/253 (2006.01) G11B 7/257 (2006.01) G11B 23/40 (2006.01)
Patent
CA 2514194
Systems (10) and methods of labeling optical disk (14) recording media and other substrates using leuco dyes in an electromagnetic radiation sensitive composition are described. Leuco dyes containing isobenzofuranone are prepared in various compositions that include activators and radiation absorbers, and optionally non-leuco colorants, and/or a variety of carriers. The leuco dye compositions can be applied and prepared to achieve a desired visual effect upon development of the leuco dye.
L'invention concerne des systèmes (10) et des procédés d'étiquetage de disques optiques (14), de supports d'enregistrement et d'autres types de substrats, utilisant des colorants leuco dans une composition sensible au rayonnement électromagnétique. Ces procédés consistent à préparer des colorants leuco contenant une isobenzofuranone dans diverses compositions renfermant des activateurs et des absorbeurs de rayonnement et éventuellement des colorants non leuco et/ou plusieurs supports. Les compositions à base de colorants leuco peuvent être appliquées et préparées pour obtenir un effet visuel désiré lors du développement du colorant leuco.
Hewlett-Packard Development Company L.p.
Sim & Mcburney
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