Monthly Archives: January 2018
Single tone watermark
An image and/or text created during the paper production process by varying the density of the paper.
This type of watermark is either light or...
Silkscreen
A printing technique whereby ink is pressed through a screen, onto the substrate. Screen printing may be recognized by the sawtooth-shaped edges of the...
Shadow image
An image applied to a synthetic material, and created by varying the density - and occasionally the colour - of the printed layers. The...
Sewing
The binding of a document (booklet) with the use of binding wire.
See through
An image that is partially printed on both sides of the substrate. When the register is viewed under transmitted light, the two parts fit...
Screentrap
A security feature that is integrated in the background printing and consists of structures that are modulated in terms of direction and angle. When...
Screen Angle Modulation
A security feature that is integrated in the background printing and consists of structures that are modulated in terms of direction and angle. When...
Ribcuts
Cuts or holes made in a surface such as paper or foil, to make the paper or foil split when subjected to pulling forces.
Relief image
A security feature that is integrated in the background printing and consists of structures that are modulated in terms of direction and angle. When...
Plastic hinge
A hinge, used to fix a synthetic biographical data page to a document (booklet).
Advanced Generative AI: The Variational Autoencoder
In this series of articles, author Ravi Das examines some of the more advanced topics that support Generative AI. In this first article, he...
LIVE BLOG: Hawaii launches mobile driver’s license/ID card for Apple devices and more news…
To find news about a specific state, click on the state abbreviation here:
For news about a specific US Territory, click on the US...
Kenya Releases an Updated Series of Banknotes
The Central Bank of Kenya (CBK) has made some updates to all denominations of the Kenyan banknotes. All denominations are affected, including the 50...
A Sneak Peek at Indonesia’s New-and-Improved Passport
Indonesia plans to celebrate its 80th Independence Day next year by issuing a redesigned passport to its citizens. The Directorate General of the Ministry...
Optimizing Serialization: Part 4
The first three articles in this series reviewed contemporary security document serial number design strategies related to letterpress printing technology, security inks and font...