Kessler found that all security features such as special paper, watermarks, security threads, intaglio printing, microprinting
, fluorescent dyes, color-changing ink, and document numbers that were laser perforated were used by the counterfeiters.
Some of the security features that can be utilized are; repetitive hollow void patterns, thermochromic “Rx” ink, state seal background, security back print, unique ID and barcoding and microprinting
Piezo inkjet technology offers microprinting
and macroprinting processes new and exciting product applications.
To check microprinting
"200 som" on the security thread in the light.
notes have microprinting
, which is so small it's hard to see with the naked eye.
Other technologies include microprinting
, infrared- or UV-sensitive printing, guilloche printing and incorporation of RFID.
Not the scifi variety but the kind produced by microprinting
United States banknotes contain a large number of security features to deter counterfeiting, including embedded security threads that glow different colors by denomination under UV light; large, complex line-drawn presidential portraits; watermarks; embedded fibers; color-shifting ink (the color of which differs by denomination); microprinting
too small to be reproduced by current-generation photographic copiers and consumer-level scanners; fine-line printing; color over-printing in subtle shades; and embedded machine-readable features.
Cards offered by HID manufacturing services include credentials with custom preprinted graphics, microprinting
and anticounterfeiting elements, holograms, and ultraviolet ink for increased card security.
For example, this ID is supposed to have a "glass-bead surface"; that one is supposed to have a certain strip of microprinting
Also included within the boundaries of level two is microprinting
that can be read by a magnifying glass.
Make use of check stock with security features such as watermarks, "void" pantograph (which displays the word "void" when the check is photocopied), microprinting
, laid lines and other backgrounds with multiple patterns or colors, special ink that can be read under ultraviolet light, and chemical coatings that react to attempts at alteration.