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Glosario de términos


  • Tilt effect
    The perceptible change in an image or object in terms of brightness, colour or content, on changing the direction of observation or light angle.
  • Thermochromic pigments and dyes
    Dyes whose colour changes with temperature (for example, liquid crystal dyes).
  • Typography

    Printing technique that uses a printing form with a relief image, which is inked and transferred to paper. The numbers of valuable documents are often printed using typography.

  • Transparency

    Transparent quality. In banknotes, public security features such as the watermark and the see-through register can be properly examined through transparency (against the light).