TERMIUM Plus®

The Government of Canada’s terminology and linguistic data bank.

glass screen [1 record]

Record 1 2017-06-19

English

Subject field(s)
  • Printing Machines and Equipment
  • Lithography, Offset Printing and Collotype
  • Typography
DEF

A grid formed by using two glass plates with parallel opaque lines on their surfaces. When oriented perpendicularly, they produce the squares for the formation of halftone dots.

French

Domaine(s)
  • Équipement (Imprimerie et arts graphiques)
  • Lithographie, offset et phototypie
  • Typographie (Caractères)
DEF

Grille composée de deux glaces portant des lignes parallèles et opaques. Mises perpendiculairement l'une contre l'autre, elles produisent le quadrillé nécessaire à la formation des points de simili-gravure.

CONT

La trame cristal (ou trame mécanique). La trame cristal, depuis longtemps fabriquée mécaniquement, est parfois encore utilisée sur les bancs de reproduction.

OBS

La trame cristal a été supplantée par la trame de contact, dont la manœuvre est beaucoup plus simple.

Spanish

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