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  2. Color engraving - Wikipedia

    en.wikipedia.org/wiki/Color_engraving

    Color Laser Engraving is a marking process that uses MOPA fiber laser source to mark color on metal surface such as stainless steel, titanium, etc. MOPA refers to a configuration consisting of a master laser (or seed laser) and an optical amplifier to boost the output power. A special case is the master oscillator fiber amplifier (MOFA), where ...

  3. Etching - Wikipedia

    en.wikipedia.org/wiki/Etching

    Etching by Daniel Hopfer, who is believed to have been the first to apply the technique to printmaking. Etching is traditionally the process of using strong acid or mordant to cut into the unprotected parts of a metal surface to create a design in intaglio (incised) in the metal. [1] In modern manufacturing, other chemicals may be used on other ...

  4. Laser engraving - Wikipedia

    en.wikipedia.org/wiki/Laser_engraving

    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.

  5. Intaglio (printmaking) - Wikipedia

    en.wikipedia.org/wiki/Intaglio_(printmaking)

    Intaglio (/ ɪnˈtæli.oʊ, - ˈtɑːli -/ in-TAL-ee-oh, -⁠TAH-lee-; [1] Italian: [inˈtaʎʎo]) is the family of printing and printmaking techniques in which the image is incised into a surface and the incised line or sunken area holds the ink. [2] It is the direct opposite of a relief print where the parts of the matrix that make the image ...

  6. Laser bonding - Wikipedia

    en.wikipedia.org/wiki/Laser_bonding

    Laser bonding is a marking technique that uses lasers to bond an additive marking substance to a substrate.. First invented in the mid 1990s by Essilor International, this patented method [1] produces permanent marks on metal, glass, ceramic and plastic parts for a diverse range of industrial and artistic applications, ranging from aerospace and medical to the awards and engraving industries.

  7. Printmaking - Wikipedia

    en.wikipedia.org/wiki/Printmaking

    Etching is part of the intaglio family. In pure etching, a metal plate (usually copper, zinc, or steel) is covered with a waxy or acrylic ground. The artist then draws through the ground with a pointed etching needle, exposing the metal. The plate is then etched by dipping it in a bath of etchant (e.g. nitric acid or ferric chloride). The ...

  8. Surface finishing - Wikipedia

    en.wikipedia.org/wiki/Surface_finishing

    Surface finishing. A drill bit with surface finishing to make the cutting edges harder. Surface finishing is a broad range of industrial processes that alter the surface of a manufactured item to achieve a certain property. [1] Finishing processes may be employed to: improve appearance, adhesion or wettability, solderability, corrosion ...

  9. Chromolithography - Wikipedia

    en.wikipedia.org/wiki/Chromolithography

    Chromolithography is a chemical process based on the rejection of water by grease. The image is applied to stone, grained zinc or aluminium surfaces, with a grease-based crayon or ink. Limestone and zinc are two commonly used materials in the production of chromolithographs, as aluminium production was limited before the invention of the Hall ...

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