G - Physics – 06 – K
Patent
G - Physics
06
K
G06K 9/74 (2006.01) B41M 3/14 (2006.01) C09D 11/00 (2006.01) C09D 11/02 (2006.01) G07F 7/08 (2006.01) B41M 1/04 (2006.01)
Patent
CA 2474110
In the method for associating source information with a substrate, which includes providing at least one latent marking agent that emits a signal at an emission wavelength in response to being irradiated with infrared radiation at an excitation wavelength, wherein the signal is at least a portion of the source information; and affixing the at least one latent marking agent to the substrate, a process for providing an ink with a viscosity for effective printing of the source information on the substrate. The at least one latent marking agent includes an inorganic pigment. In some embodiments of the method, the latent marking agent must be exposed to ultraviolet radiation before it can emit a signal in response to infrared irradiation.
L'invention concerne un procédé permettant d'associer une donnée source à un substrat. Ce procédé consiste à prendre au moins un agent de marquage latent qui émet un signal d'une certaine longueur d'onde d'émission en réaction à son exposition à des rayons infrarouge d'une certaine longueur d'onde d'excitation. Ce signal constitue au moins une partie de la donnée source. Ce procédé consiste ensuite à apposer le ou les agent(s) de marquage latent(s) sur le substrat. Ce procédé comporte également un processus procurant une encre dont la viscosité permet l'impression effective de la donnée source sur le substrat. Le ou les agent(s) de marquage latent(s) contient/contiennent un pigment inorganique. Dans certains modes de réalisation de ce procédé, l'agent de marquage latent doit être exposé aux rayons ultraviolet avant de pouvoir émettre un signal en réaction aux rayons infrarouge.
Gardner Norman A.
Stovold Terry
Laser Lock Technologies Inc.
Moffat & Co.
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