etch

(redirected from etched)
Also found in: Dictionary, Thesaurus, Idioms, Wikipedia.

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.
Copyright © 1981-2019 by The Computer Language Company Inc. All Rights reserved. THIS DEFINITION IS FOR PERSONAL USE ONLY. All other reproduction is strictly prohibited without permission from the publisher.
References in periodicals archive ?
Statistical tests Acid etched group 1 Statistic Std.
Critique: Etched in Stone: Archeological Discoveries that Prove the Bible examines the vast wealth of archeological evidence that corroborates human history as chronicled in the Christian Bible.
The results indicated that the etched depth was constant throughout the Si substrate and that the bottoms of the nanoholes were almost on the same horizontal plane.
The most prevalent failure in our study was cohesive in Tetric N Ceram when etch and rinse adhesive system was used or when the surface was etched with phosphoric acid prior to the application of P90 System Adhesive self-etching primer in Feltik P90 composite, this is in agreement with previous studies.31,33 Cohesive failures may indicate a higher mechanical strength of the adhesive.31,33 Mittal34 reported that separation of the adhering phases is a way to measure adhesion experimentally.
For the sample etched with high IPA concentration (10%, Figure 10(e)), the surface is covered with small pyramids, the uniformity has been improved, and the specular reflectivity dominates.
A moderately etched surface compared with the phosphoric acid group was observed, as self-etching primers are a conservative material [1,3,20,21].
* the conditioning starts with a bare 100 mm silicon wafer, which is etched for [approximately equal to] 20 min.
When the threshold voltage is set too low, the formed probe will continue to be etched so the consuming time becomes excessively long.
Second, the thickness of the etched film and the oxidized photoresist was measured using the surface profiler after dry etching using a CCP-RIE.
Anand Gandhi, a product manager, who works with a US- based outsourcing firm, got the company's logo etched on his shoulder.
If the track and bolt assembly has already been etched, use a paint marker to blot out the etched numbers.