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  2. Ink brush - Wikipedia

    en.wikipedia.org/wiki/Ink_brush

    The fudepen, also known as a "brush pen", is a modern Japanese invention analogous to a fountain pen. Today, Japanese companies such as Pentel and Sakura Color Products Corporation manufacture pens with tips resembling those of a small ink brush. These brush pens work almost identically to small ink brushes and can be used for most of the same ...

  3. Etching (microfabrication) - Wikipedia

    en.wikipedia.org/wiki/Etching_(microfabrication)

    The term "crystallographic etching" is synonymous with "anisotropic etching along crystal planes". However, for some non-crystal materials like glass, there are unconventional ways to etch in an anisotropic manner. [2] The authors employ multistream laminar flow that contains etching non-etching solutions to fabricate a glass groove.

  4. Etching - Wikipedia

    en.wikipedia.org/wiki/Etching

    ferric chloride may be used for etching copper or zinc plates, whereas nitric acid may be used for etching zinc or steel plates. Typical solutions are 1 part FeCl 3 to 1 part water and 1 part nitric to 3 parts water. The strength of the acid determines the speed of the etching process. The etching process is known as biting (see also spit ...

  5. Chemical milling - Wikipedia

    en.wikipedia.org/wiki/Chemical_milling

    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 include photo etching, chemical etching, photo chemical etching and photochemical machining. It is ...

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  7. Metal assisted chemical etching - Wikipedia

    en.wikipedia.org/.../Metal_assisted_chemical_etching

    The first attempts of MACE consisted of a silicon wafer that was partially covered with aluminum and then immersed in an etching solution. [2] This material combination led to an increased etching rate compared to bare silicon. Often this very first attempt is also called galvanic etching instead of metal assisted chemical etching. [citation ...

  8. Eversharp - Wikipedia

    en.wikipedia.org/wiki/Eversharp

    Eversharp is an American brand of writing implements founded by Charles Rood Keeran in 1913 and marketed by Keeran & Co., based in Chicago. [1] Keeran commercialised Eversharp mechanical pencils (manufactured by two companies, Heath and Wahl), [2] [1] then expanding to fountain pens when the company was acquired by the Wahl Adding Machine Co. in 1916 and it was named "Wahl-Eversharp".

  9. Electroetching - Wikipedia

    en.wikipedia.org/wiki/Electroetching

    Electroetching is a metal etching process [1] that involves the use of a solution of an electrolyte, an anode, and a cathode. The metal piece to be etched is connected to the positive pole of a source of direct electric current. A piece of the same metal is connected to the negative pole of the direct current source and is called the cathode. [2]

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