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Offset printing is a common printing technique in which the inked image is transferred (or "offset") from a plate to a rubber blanket and then to the printing surface. When used in combination with the lithographic process, which is based on the repulsion of oil and water, the offset technique employs a flat (planographic) image carrier.
Lithography and offset lithography are planographic processes that rely on the property that water will not mix with oil. The image is created by applying a tusche (greasy substance) to a plate or stone. The term lithography comes from litho, for stone, and -graph to draw. Certain parts of the semi-absorbent surface being printed on can be made ...
Offset lithography allows the bright and dark areas of an image (at first captured on film) to control ink placement on the printing press. This means that if a single copy of the page can be created on paper and photographed, then any number of copies could be printed.
[8] [9] Offset printing or "offset lithography" is an elaboration of lithography in which the ink is transferred from the plate to the paper indirectly by means of a rubber plate or cylinder, rather than by direct contact. This technique keeps the paper dry and allows fully automated high-speed operation.
The InfoPrint 5000 is a full-color, continuous forms inkjet drop-on-demand printing system. All handle variable data, and rival offset in quality. Digital offset presses are also called direct imaging presses, although these presses can receive computer files and automatically turn them into print-ready plates, they cannot insert variable data.
This technique used a flat metal plate with an image to transfer ink to a rubber blanket, which, in turn, printed the image onto the paper. Offset lithography offered more efficient and cost-effective printing, enabling high-quality reproductions and color printing on a large scale. [2] [7]
Gravure printing of electronic structures on paper. Printed electronics is a set of printing methods used to create electrical devices on various substrates. Printing typically uses common printing equipment suitable for defining patterns on material, such as screen printing, flexography, gravure, offset lithography, and inkjet.
In the offset lithography process, the mechanicals would be photographed with a stat camera to create a same-size film negative for each printing plate required. Paste up relied on phototypesetting, a process that would generate "cold type" on photographic paper that usually took the form of long columns of text.