etch

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etch

[ech]
(graphic arts)
To incise lines on a plate of metal, glass, or other material by covering it with an acid-resistant coating, scratching through the coating, and then permitting an acid bath to erode exposed parts of the plate.
(metallurgy)
To corrode the surface of a metal in order to reveal its composition and structure.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

etch

1. To cut away the surface of glass or metal with a strong acid or by abrasive action, usually in a decorative pattern.
2. To remove the surface of cast stone with acid to expose the aggregate.
3. To alter the surface texture of porcelain enamel by chemical attack.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.

etch

To create a design in a material by digging out the material. The circuit designs on printed circuit boards and chips are etched by acid. See chip and printed circuit board.
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References in periodicals archive ?
The structure of an ICP etcher and the methods for designing the ANFIS algorithm are also given.
In an ICP etcher, the control of the temperature in the vacuum chamber influences the etching rate.
It recommends a capacitively coupled etcher, the 4520XLE.
Shipley curator Andrew Heard said: "Defining Lines will give visitors the opportunity to see work by some of the leading etchers from the late 19th and early 20th Centuries.
The revival led to the establishment of the Society of Painter Etchers in 1880.