Packing: In printing presses, paper accustomed to underlay the impression or perception cylinder in letterpress, the plate or blanket in lithography, to receive good squeeze or strain for printing.
Fog: In photography, silver density during the non-graphic locations. Alt: A defect in a very print or detrimental made up of a deposit of silver extraneous on the intended impression. Fog could be caused by poor acquiring, or by light leaks in the darkroom
Image plate: A lightweight delicate printing plate. The plate is designed like film, and then made use of on a printing push.
Perforated tapes: Paper tape that is definitely perforated when utilized on a computer typesetter. The perforated tape can be employed to expose the required style copy and for foreseeable future remember much like a floppy disc.
Densitometer: An outstanding Management product to evaluate the density of printing ink. Alt: In photography, a photoelectric instrument which measures the density of photographic photographs, or of colors.
Coloration overlay: A clear overlay, normally acetate, with a Black & White drawing on which Just about every extra shade is indicated as a guideline for reproduction. A phrase in some cases utilized at press side referring to the volume of hues that overprint one another.
Overlay: In dog stomach pain yelping artwork, a clear covering around the duplicate where coloration crack, Guidelines or corrections are marked. Also, clear or translucent prints which, when area a person on one other, type a composite image. Alt: The clear include sheet on artwork normally used for Guidance.
Abrasion resistance: Power to withstand the effects of repeated rubbing and scuffing. Also called scuff or rub resistance.
Medical doctor blade: In gravure and flexography, a knife-edge blade pressed from the engraved printing cylinder that wipes away the surplus ink in the non-printing places.
Duplicating film: A film for creating positives from positives, and negatives from negatives. In colour reproduction, a Exclusive film utilized for building duplicates of color transparencies.
Copyright (8): A bunch of legal legal rights granted to your author or creator of written or visual work. All work showing up with the 8 symbol or term "copyright" is guarded by its creator or his heirs. For more info contact a lawyer.
Fountain roll: Roll that picks up 75 lb dog pain ink or coating material through the fountain and applies it into the transfer roll.
Desensitizer: In platemaking, chemical procedure to produce non-impression parts of a plate repellant to ink. In images, an agent for lowering color sensitivity of photographic emulsion to facilitate growth beneath comparatively shiny light.