B - Operations – Transporting – 41 – M
Patent
B - Operations, Transporting
41
M
B41M 5/40 (2006.01) B41J 31/05 (2006.01) B41M 3/14 (2006.01) B41M 5/46 (2006.01) G06K 1/12 (2006.01) G06K 7/12 (2006.01) G07D 7/00 (2006.01)
Patent
CA 2248064
The present invention relates to thermal transfer ribbons comprising a ribbon backing element and at least one printing media layer comprising at least one near infrared fluorescent compound in a concentration which provides detectable fluorescence without imparting color to a mark made from said printing media layer. Methods for printing marks containing said at least one near infrared fluorescent compound via thermal transfer and methods for reading said marks are also disclosed.
La présente invention concerne des rubans de transfert thermique comprenant un élément de support du ruban et au moins une couche de support d'impression comprenant au moins un composé fluorescent dans le proche infrarouge selon une concentration qui fournit une fluorescence détectable, sans transmettre la couleur à une marque faite dans ladite couche de support d'impression. L'invention concerne également les procédés d'impression des marques contenant au moins un composé fluorescent dans le proche infrarouge par transfert thermique et les procédés de lecture desdites marques.
Clauberg Horst
Cyr Michael John
Escano Nelson Zamora
Helton Tony Wayne
Jackson Barbara Crawford
Eastman Chemical Company
Gowling Lafleur Henderson Llp
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