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A print made in 1907 from a photoengraved plate. It reproduces a sketch of Parga's castle made by Ludwig Salvator.. Photoengraving is a process that uses a light-sensitive photoresist applied to the surface to be engraved to create a mask that protects some areas during a subsequent operation which etches, dissolves, or otherwise removes some or all of the material from the unshielded areas of ...
Laser engraving metal plates are manufactured with a finely polished metal, coated with an enamel paint made to be "burned off". At levels of 10 to 30 watts, excellent engravings are made as the enamel is removed quite cleanly. Much laser engraving is sold as exposed brass or silver-coated steel lettering on a black or dark-enamelled background.
Preparation of nanoparticles by laser in solution Laser ablation of an asteroid-like sample. Laser ablation or photoablation (also called laser blasting [1] [2] [3]) is the process of removing material from a solid (or occasionally liquid) surface by irradiating it with a laser beam.
He worked on his photomechanical process in the 1850s and patented it in 1852 ('photographic engraving') and 1858 ('photoglyphic engraving'). [3] Photogravure in its mature form was developed in 1878 by Czech painter Karel Klíč, who built on Talbot's research. [4]:4 This process, the one still in use today, is called the Talbot-Klič process. [2]
Engraving had been used by goldsmiths to decorate metalwork, including armor, musical instruments and religious objects since ancient times, and the niello technique, which involved rubbing an alloy into the lines to give a contrasting color, also goes back to late antiquity. Scholars and practitioners of printmaking have suggested that the ...
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