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HALFTONE PROCESS [8 records]

Record 1 2015-02-25

English

Subject field(s)
  • Inks and Colour Reproduction (Graphic Arts)
  • Computer Graphics
DEF

Data which indicates the halftone dot areas needed to compensate for normal dot gain throughout the entire one scale during the printing process.

OBS

This data is specific to particular printing materials and process conditions.

Key term(s)
  • cut back curve

French

Domaine(s)
  • Encres et couleurs (Industrie graphique)
  • Infographie
DEF

Valeur appliquée à chaque couleur de point sur film pour obtenir la bonne grosseur de point à l'impression.

Spanish

Save record 1

Record 2 2012-02-08

English

Subject field(s)
  • Electrotyping and Stereotype Printing
DEF

The process of preparing a duplicate printing surface by making a mould of the type page or halftone plate, then suspending this mould in a bath of copper sulfate and sulfuric acid where, by electrolytic action, a thin shell of copper is deposited onto it, and finally pouring molten type metal into this shell to strengthen it for use on the press.

French

Domaine(s)
  • Stéréotypie et galvanotypie
DEF

Procédé qui permet de reproduire des compositions ou des formes typo à partir d'un moulage; ce moulage est plongé dans un bain de sulfate de cuivre traversé par un courant électrique et se trouve recouvert d'une coquille de cuivre qui est la réplique de l'original.

OBS

La coquille est ensuite renforcée d'un alliage de plomb et devient le galvano.

Spanish

Campo(s) temático(s)
  • Estereotipia y galvanotipia
DEF

Galvanoplastia aplicada a la obtención de clisés tipográficos.

CONT

La galvanotipia consiste en sacar un molde de la forma con cera, materias plásticas, plomo, etc. Si el molde no es conductor de electricidad, se espolvorea con grafito y luego se aplica sobre el mismo, por galvanoplastia, una película de cobre de 0,2 mm de espesor, cuya cara posterior se rellena con plomo fundido, obteniéndose así un galvanotipo o galvano.

Save record 2

Record 3 2005-09-21

English

Subject field(s)
  • Inks and Colour Reproduction (Graphic Arts)
DEF

An ink suitable for various types of work on different grades of paper, designed for use on platen presses [and] usually heavy bodied, short and buttery ...

CONT

Printing inks are categorized according to the process for which they are intended, and, within each category, they may be further divided according to color and categories of quality. Letterpress inks, for example, include colored inks and black inks(halftone ink, jobbing ink, ornamental printing ink, rotary printing ink and special ink).

French

Domaine(s)
  • Encres et couleurs (Industrie graphique)
OBS

Encre [épaisse, courte et onctueuse] se prêtant à divers genres de travaux sur diverses qualités de papier, sur presses à forme plate [...].

Spanish

Save record 3

Record 4 1998-09-23

English

Subject field(s)
  • Inks and Colour Reproduction (Graphic Arts)
DEF

A two-colour process halftone. Two negatives are made from a monochrome original, one for the darker shade with the greater detail, the other for the lighter flat tint.

Key term(s)
  • true duotone

French

Domaine(s)
  • Encres et couleurs (Industrie graphique)
DEF

Similigravure en deux couleurs.

Key term(s)
  • similigravure 2 tons
  • simili 2 tons

Spanish

Save record 4

Record 5 1987-03-24

English

Subject field(s)
  • Lithography, Offset Printing and Collotype
CONT

A screened print, or "velox" as it is more commonly known, differs from an ordinary photographic print in that the halftone pattern has been incorporated at the start of the reproduction process.

French

Domaine(s)
  • Lithographie, offset et phototypie
DEF

Reproduction en similigravure (par points) d'une photographie ordinaire.

Spanish

Save record 5

Record 6 1985-05-23

English

Subject field(s)
  • Engraving and Printmaking (Arts)
  • Intaglio Printing
CONT

A process working from a direct photograph... If halftones and blacks are needed in the final result a grain of some sort must be established... Commercial halftone screens... concentric curvilinear screens, or an irregular dotted screen known as mezzotint or aquatint grain... are available.

French

Domaine(s)
  • Gravure d'art
  • Impression en creux (héliogravure)
DEF

(...) plaques de verre qui ont été poudrées à la résine, puis mordues à l'acide fluorhydrique et noircies.

Spanish

Save record 6

Record 7 1977-12-12

English

Subject field(s)
  • Advertising
  • Advertising Media
  • Advertising Agencies and Services
OBS

halftone : a process in which gradation of tone is obtained by a system of minute dots produced by a screen placed in the camera a short distance in front of a sensitized plate.

French

Domaine(s)
  • Publicité
  • Supports publicitaires
  • Agences et services de publicité
OBS

simili: cliché de photogravure obtenu par une trame et permettant de reproduire un document original en demi-teintes.

Spanish

Save record 7

Record 8 1977-12-12

English

Subject field(s)
  • Graphic Arts and Printing
DEF

An illustration board whose working surface has a dotted, stippled, or otherwise embossed texture. When it is drawn upon with pencil or crayon, it produces a halftone effect that makes it a useful, less expensive substitute for the half tone process plate.

OBS

Also called stippled board at Wallack’s Art and Drafting Supplies-Ottawa.

French

Domaine(s)
  • Imprimerie et arts graphiques
OBS

granuleux: Dont la surface est ou semble couverte de petits grains.

OBS

papier granuleux.

Spanish

Save record 8

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