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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 ...
Etching is used in microfabrication to chemically remove layers from the surface of a wafer during manufacturing. Etching is a critically important process module in fabrication, and every wafer undergoes many etching steps before it is complete. For many etch steps, part of the wafer is protected from the etchant by a "masking" material which ...
Keeping your jewelry clean helps to ensure that the gemstone (s) keep a good appearance and prevents dirt and grease (among others) from loosening them. Dirty jewelry may also cause skin irritation. [1] A professional cleaning may take anywhere from a few minutes to a few days depending on the circumstances. The cleaner would first inspect the ...
A high-purity (≥99.9998%) aluminium bar that has been etched to reveal the component crystallites. Chemical milling or industrial etching is the subtractive manufacturing process of using baths of temperature-regulated etching chemicals to remove material to create an object with the desired shape. [1][2] Other names for chemical etching ...
Ground (etching) A ground is waxy material applied to the surface of a metal etching plate. A metal etching plate is a piece of sheet metal, usually copper, zinc, steel, or aluminium. The ground resists the acid or mordant which is used for etching, protecting areas of the metal plate. Grounds are made from a variety of materials including tar ...
Niello. Niello / niːˈɛloʊ / [1][2] is a black mixture, usually of sulphur, copper, silver, and lead, [3] used as an inlay on engraved or etched metal, especially silver. It is added as a powder or paste, then fired until it melts or at least softens, and flows or is pushed into the engraved lines in the metal.
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 ...
Aquatint is an intaglio printmaking technique, a variant of etching that produces areas of tone rather than lines. For this reason it has mostly been used in conjunction with etching, to give both lines and shaded tone. [1] It has also been used historically to print in colour, both by printing with multiple plates in different colours, and by ...
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