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 ?
However, if we released test chips with trench structures in HF, we observed a much higher lateral etch rate for the oxide in the trench compared to the oxide elsewhere.
A small increase in [O.sub.2] flow increased the etch rate, while further increases in the [O.sub.2] flow rate decreased the etch rate, as is usual [21].
The amount of silicon etched in M2 is a 50 % higher than in M1 but the measured gain improvement in M1 is 0.3 dB better than in M2.
Herein, we report an alternative approach to the fabrication of crosslinked polymer thin films that can act as wet chemical etch resists in creating microstructures on silicon wafers.
The etched probe is thus protected from this inevitable chemical process by isolating the bubbles from the electrolyte bath, i.e.
[2004] retrospectively compared a self-etching primer (Prompt L-Pop[R]) and phosphoric acid etch in a school based FS program over a one year period.
RadiantInsights.com added Most up-to-date research on "2013-2028 Report on Global Plasma Etch System Market by Player, Region, Type, Application and Sales Channel" to its huge collection of research reports.
[USPRwire, Wed Jul 24 2019] Semiconductor Etch Equipment Market: Introduction Semiconductor etch equipment are used to remove layers from the silicon wafer surface through application of various chemicals.
October saw Etch and Pin team-up with a local children's cancer charity, which recently helped turn the Coventry city centre Lady Godiva statue gold.
High-quality copper foils with reduced thicknesses ultimately result in less copper etch burden during circuit formation.
In view of the questions raised, the purpose of the present study was designed with different parameters to evaluate and compare the SBS of Erbium laser etched enamel to acid etched.