halftone process

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halftone process

In printing, a technique of breaking up an image into a series of dots to permit reproduction of the full tone range of a photograph or artwork. It is traditionally done by placing a glass screen printed with a tight grid of lines over the plate being exposed. The grid breaks up the image into hundreds of tiny dots, each of which is read by the camera as either black or white—or, in the case of colour art, as either a single printing colour or white. The resulting image, called a halftone, is then rephotographed for printing. Screens are made with a varying number of lines per inch, depending on the application; for newspapers the range is about 80–120, whereas glossy magazines usually require 133–175 lines per inch.

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No references found			The three levels of these cushion mounting tapes are: The R/bak SA 3100, soft, for combination jobs with demanding halftone process and fine screen work; the R/bak SA 3300, medium, for general purpose combination jobs with screen, line and solid work; and the R/bak SA 3500, firm, for combination jobs with bold lines and solids with darker screens. Cushion mounting tapes by Label & Narrow Web The difference that a halftone process makes particularly on visual reproductions is that binary images are printed using only one color ink. The Truth About Commercial Printing by Kaye Z. Marks / Advertising, marketing, public relations community			half-turn half-value layer half-value period half-value thickness half-wave half-wave amplifier half-wave antenna Half-Wave Dipole half-wave plate half-wave rectification half-wave rectifier half-wave transmission line half-wave vibrator half-wavelength Half-Way Covenant half-width half-word I/O buffer halfback Halfdan Kjerulf halfpace halfpace stair halfpenny halftone halftone characteristic halftone contact screen halftone process Halftrack, General halfway house HALGOL Halhul Haliaeetus Haliburton, Thomas Chandler halibut halibut liver oil Halibut Point State Park Halibut Point State Recreation Site Halicarnassus Halichondrida Halictidae Halid Ziya Usakligil halide Halide Edip Adivar halide lamp halide mineral halide torch Halides, Natural Halifax Halifax County Halifax Day Halifax, Charles Montagu, earl of Halifax, Edward Frederick Lindley Wood			Halfpace halfpace stair halfpence halfpence halfpennies halfpennies halfpenny halfpenny halfpennyworth halfpipe halfpipe Halfprin Halfprin Halfprin Halfshaft Halfshirt Halfsister Halfsister Halfstep Halfstep Halfsword halftime halftime halftime halftone halftone halftone Halftone characteristic halftone contact screen halftone engraving halftone process halftone screen Halftone screening Halftone screening Halftone screening Halftoning Halftoning Halftoning Halftrack Halftrack Halftrack, General halfway halfway halfway Halfway covenant Halfway covenant Halfway Dam State Park Halfway Down the Danube halfway house halfway house halfway house Halfway Houses Halfway Houses Halfway Houses Halfway State Park Halfway to Hazard Halfway to Winter halfwit halfwits HALGN HALGOL

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