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etching chemical

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  • Etching (microfabrication) — Etching tanks used to perform Piranha, Hydrofluoric acid or RCA clean on 4 inch wafer batches at LAAS technological facility in Toulouse, France Etching is used in microfabrication to chemically remove layers from the surface of a wafer during… …   Wikipedia

  • Chemical-mechanical planarization — Chemical Mechanical Polishing/Planarization is a process of smoothing surfaces with the combination of chemical and mechanical forces. It can be thought of as a hybrid of chemical etching and free abrasive polishing. Contents 1 Description 2… …   Wikipedia

  • etching — chemical surface corrosion, usually conducted in a controlled fashion on a polished surface of a material sample to reveal details of the microstructure …   Mechanics glossary

  • Etching (disambiguation) — This page is distinguished from the singular uses of Etch. Etching may refer to:* Etching, a printmaking technique in art * Etching (glass), a glass decoration technique * Industrial etching * Etching (microfabrication), a process in producing… …   Wikipedia

  • chemical etching — cheminis ėsdinimas statusas T sritis chemija apibrėžtis Kietųjų kūnų paviršiaus ėsdinimas cheminiais reagentais. atitikmenys: angl. chemical etching rus. химическое травление …   Chemijos terminų aiškinamasis žodynas

  • etching — etch·ing (echґing) [Old High Ger. ezzen to eat] the cutting of a hard surface such as metal or glass by a corrosive chemical, usually an acid, in order to create a design …   Medical dictionary

  • chemical etching — use of acids, bases of other chemicals in making fishing hooks that gives a very sharp point …   Dictionary of ichthyology

  • Industrial etching — For other uses, see Etching (disambiguation). Etched in ferric chloride for PCB production at home In industry, etching, also known as chemical milling, is the process of using acids, bases or other chemicals to dissolve unwanted materials such… …   Wikipedia

  • Deep reactive-ion etching — (DRIE) is a highly anisotropic etch process used to create deep penetration, steep sided holes and trenches in wafers, with aspect ratios of 20:1 or more. It was developed for microelectromechanical systems (MEMS), which require these features,… …   Wikipedia

  • Photo chemical machining — Photochemical machining (PCM) is a method of fabricating metal components using reactive etchants to corrosively oxidize selected areas of metal. Also known as photo etching or chemical etching, this process emerged in the 1960s as an offshoot of …   Wikipedia

  • Dry etching — refers to the removal of material, typically a masked pattern of semiconductor material, by exposing the material to a bombardment of ions (usually a plasma of reactive gases such as fluorocarbons, oxygen, chlorine, boron trichloride; sometimes… …   Wikipedia

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