TERMIUM Plus®

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

plaque ablative [1 record]

Record 1 2015-02-11

English

Subject field(s)
  • Printing Machines and Equipment
  • Platemaking (Printing)
DEF

A plate in which the laser physically ablates or removes portions of the emulsion during the imaging process.

OBS

These plates use layers of ink-repellent silicon on top of the aluminum substrate to define the non-inking portion of the plate. One variation of this technology uses a laser to ablate the silicon from the substrate in the image areas of the plate. Another uses a laser to transfer material from a donor layer to the aluminum substrate.

French

Domaine(s)
  • Équipement (Imprimerie et arts graphiques)
  • Clicherie (Imprimerie)
DEF

Plaque thermique dont le procédé de gravure soustrait les parties à insoler de la couche superficielle; les particules éliminées par le laser doivent ensuite être nettoyées.

CONT

Les plaques ablatives sont historiquement les premières plaques CTP [système direct de l'ordinateur à la plaque] à base aluminium sans développement [...] Sortie en 2001, l'Anthem est une plaque positive, à écriture négative, le laser venant insoler les zones non imprimables de la plaque. Contrairement à l'Anthem, l'Applause ne nécessite aucun rinçage et peut être transférée directement du CTP à la presse.

Spanish

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