Lithographic printing

The term lithographic printing covers all printing processes where the printing areas of the printing plate lie on the same or virtually the same plane as the non-printing parts. This technology uses the fact that it is possible to create both oleophilic (oil-friendly) and hydrophilic (water-friendly) areas on the printing surface. When the plate is inked, only the oleophilic areas retain the ink. These are used to produce the print image. The first lithographic process was stone printing, invented by Aloys Senefelder in 1796. Offset printing, so prevalent today, is based on this technology.

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