TERMIUM Plus®

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OPTICALLY VARIABLE DEVICE [1 record]

Record 1 2025-05-27

English

Subject field(s)
  • Security Devices
  • Official Documents
DEF

An image or feature whose appearance in colour and/or design changes dependent upon the angle of viewing or illumination.

OBS

Examples are: features including diffraction structures with high resolution (diffractive optically variable image device/DOVID), holograms, colour-shifting inks (e.g. ink with optically variable properties) and other diffractive or reflective materials.

Key term(s)
  • optical variable device
  • optical variable feature

French

Domaine(s)
  • Dispositifs de sécurité
  • Documents officiels
DEF

Image ou élément dont l'apparence (couleur et/ou dessin) varie selon l'angle de vue ou d'éclairage.

OBS

Exemples : éléments incluant des structures diffractives à haute résolution (DOVID - image diffractive optiquement variable), hologrammes, encres à couleur changeante (par exemple, encres à propriétés optiquement variables) ou autres matériaux diffractifs ou réfléchissants.

Key term(s)
  • élément optique variable
  • dispositif optique variable
  • marque optique variable

Spanish

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