How it appears
Fluorescent materials absorb UV energy and emit visible color. Response varies by ink chemistry and excitation source.
Where it is placed
UV elements may sit on a printed card layer or compatible overlay and can be combined with microtext or fine lines.
Production controls
Manufacturers verify adhesion, fluorescence after lamination, registration and consistency against an approved reference.
Scope note
This guide covers legitimate material selection and credential manufacturing principles. It does not describe how to copy or bypass the security of any real government credential.
Related materials and technologies
Continue with driver license card materials, overlay films, the security features overview, or the security technology library.