UVmerkinnät
UVmerkinnät, often translated as UV markings or UV security markings, are specialized inks or features that become visible only under ultraviolet (UV) light. These markings are employed across a wide range of applications for authentication, security, and identification purposes. Their primary advantage lies in their invisibility under normal lighting conditions, making them difficult to counterfeit or tamper with without detection.
Common applications for UVmerkinnät include currency, where they are embedded in banknotes to prevent counterfeiting. They
The technology behind UVmerkinnät involves the use of phosphorescent or fluorescent compounds that absorb UV light