TH45987A - Personalized documents that are difficult to counterfeit - Google Patents

Abstract

DC60 (13/09/43) A hard-to-counterfeit document that includes Information printed in visible form Along with the personalization symbol invisible and this will not be Can be seen without joining with external factors This invisible symbol will be Print with toner or emitting ink. And can be seen by irradiation applications such as UV light. This toner or emitting ink may be composed of a fluorescent material. The same type of document may contain an invisible symbol that They are different for different documents or holders and may be printed by conventional digital printing methods. Hard-to-counterfeit documents that include Information printed in visible form Along with the personalization symbol invisible and this will not be Can be seen without joining with external factors This invisible symbol will be Print with toner or emitting ink. And it can be seen by irradiation applications such as UV light. This toner or emitting ink may consist of a fluorescent material. The same type of documents may have different invisible symbols. For documents or holders that are different and may be printed by conventional digital printing methods.

Claims (4)

1. a hard-to-counterfeit document that includes The information printed in a visible format is ready. With symbols that have been made an invisible personalization And this will not be able to see Without involvement with external factors 2. Documents according to claim 1, where this invisible symbol will be printed with toner. Or emitting ink 3. Documents according to claim 2 where this invisible symbol can be changed to be seen by Application of radiation 4. Documents by tag: