TERMIUM Plus®

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ANTI-HALO LAYER [1 record]

Record 1 1999-02-23

English

Subject field(s)
  • Photography
  • Photoengraving
DEF

A coating or dye usually applied to the back of a film to absorb the light passing through the emulsion, thereby eliminating reflections from the supporting surface.

OBS

If the light is not absorbed, some of it is reflected and falls on the underside of the emulsion layer, causing halation [unwanted light reflection]. This coating is usually removed during processing.

Key term(s)
  • antihalo layer

French

Domaine(s)
  • Photographie
  • Photogravure
DEF

Dépôt mince absorbant ou antiréfléchissant [...] sur un support de couche photosensible; arrête les rayonnements susceptibles de produire du halo à l'intérieur de la couche.

OBS

couche anti-halo : terme normalisé par l'AFNOR.

Key term(s)
  • couche antireflet
  • couche anti-reflet

Spanish

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