Glossary

Taxonomy/Vocabulary for use with the Glossary Function

UCRsearch for term
Color separationi process in which blacki ink is used to replace cyan, magenta, and yellow (CMYi) in shadowi areas where the three inks overlapi, since black (K) is the combination of CMY. (Similar to GCRi.) Synonyms: Under Cover Removal
ULsearch for term
Private organization which tests electrical devices and their construction and certifies their safety. Synonyms: Underwriters Laboratory
Underbase Whitesearch for term
Printing application in which a solid field of white ink that is laid down to be overprinted with an image, as when printing onto a non-white surface.
UVsearch for term
Part of the spectrum ranging from 185 to 450 nanometers. UVi has both a negative and positive influence on the sign industry. When UV strikes certain surfaces, such as the phosphorsi in neoni and fluorescent tubes, it is transformed into visible light. UV is also used for curingi some screen printingi inks. UV is also the primei cause of pigmenti failure in some paints and vinyli, especially red. Synonyms: Ultraviolet Light
UV-Curingsearch for term
In certain inkjet printers, the process in which a lamp emitting ultraviolet (UVi) light is used to transform monomeri-based liquid inks (deposited onto a substratei via the printheadi) into polymeri-based solid inks. Commonly used process in many digital flatbed printers. The ink chemistry employed cani be either free radical UV curingi (common) or cationic UV curing (not yet widely used).