Even if a fraudster was to obtain the protected ink, the technology is still extremely difficult to replicate. This technique is very difficult to manufacture. The conventional ink must match the thermochromic ink in density and color hue in order to perfectly hide at typical office room temperature. (1) For Authentication: Offset thermochromic inks can trap a message that is printed in conventional ink. The ability to print high-resolution thermochromic indicia, combining conventional inks with sophisticated printing technologies to either camouflage latent messages or create a warning message when copied, is new. Combining thermochromics and conventional inks to deter document fraud Combining thermochromics and conventional inks to deter document fraud
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |