Vector graphics

Unlike raster images, a vector is not composed of separate dots (pixels). Vector graphics are composed of control points with curves in between them, defined by a mathematical formula. Vector graphics are often used for printing brochures etc., which do not require...

Variable printing

Using digital print processes to apply personalised and serialised information, such as unique identifiers and barcodes, to products and documents.

Vacuum-metallisation

A process to create a layer of metal on a substrate. Also referred to as ‘vacuum deposition’. It involves heating the metal target material until it vaporises inside a vacuum chamber. This allows the metal vapour to condensate and form a thin layer over the top of a...

Up-conversion

A material that absorbs energy at a longer wavelength outside the visible spectrum and emits in the visible spectrum. The materials that can achieve this effect are rare and therefore used for security marking. Up-conversion is an anti-Stokes type emission.

Unit packet

The smallest individual packaging of a tobacco product (one pack of cigarettes usually holds 20 individual sticks).