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Laser engraving is the practice of using lasers to engrave an object. Laser marking, on the other hand, is a broader category of methods to leave marks on an object, which in some cases, also includes color change due to chemical/molecular alteration, charring, foaming, melting, ablation, and more. [1] The technique does not involve the use of ...
CAD (top) and stainless steel laser-cut part (bottom) Laser cutting is a technology that uses a laser to vaporize materials, resulting in a cut edge. While typically used for industrial manufacturing applications, it is now used by schools, small businesses, architecture, and hobbyists. Laser cutting works by directing the output of a high ...
This is a large wood engraving on an 1883 cover of Frank Leslie's Illustrated Newspaper. Such images were composed of multiple component blocks, combined to form a single image, so as to divide the work among a number of engravers. By the mid-19th century, electrotyping was developed, which could reproduce a wood engraving on metal. [13]
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Powder metallurgy. Compaction plus sintering. Hot isostatic pressing. Metal injection moulding. Spray forming. Plastics (see also Rapid prototyping ) Injection. Compression molding. Transfer.
Nicolas-Toussaint Charlet (1792–1845), painter and engraver. Léon Cogniet (1794–1880), painter, portraitist and lithographer. Louis-Henri Brévière (1797–1869), engraver. Louis-Pierre Henriquel-Dupont (1797–1892), engraver and draughtsman. Charles Philipon (1800–1862), draughtsman, lithographer, journalist and editor.
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