The art of lithography was developed in 1796, in Prague, by Alios Senefelder, and is the term employed to describe the action of transferring an image from a smooth, flat surface (the plate) to paper (also know because the substrate).

Lithography leaves behind a smooth finish to the printed surface, unlike letterpress or gravure printing which leaves impressions and rings in the printed ink. This style of printing is also very versatile and is employed to print anything from catalogs, posters and marketing leaflets to media like newspapers, books and magazines. The approach of printing in this style has changed from the original presses of the occasions, where the ink was transferred directly from the plate to the paper. Contemporary tactics are generally known as “offset” lithography as the image is transferred from the plate to a rubber roller (known as the blanket) and then onto paper. The image can either be etched onto the plate, or developed employing light sensitive emulsion. With the light sensitive emulsion, the whole plate is coated with the emulsion, then a film with all the negative of the image is laid over the plate, which is then exposed to light (frequently employing lasers), which causes the emulsion exposed to light to change colour, releasing coloured ink. The ink transfers towards the rubber blanket when it really is rolled over the plate, which in turn is rolled more than the paper, to reveal the image. Modern lithography presses have been created to print on both sides of paper in the identical time, making them ideal for use inside the media market. Some presses have been created to print on substrates other than paper, like fabric and plastics. Lithography could have been created inside the past, but it is certainly a technique adaptable for the future!http://www.clearpoint-print.comKeywords: lithography, lithographic printing
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