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.

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.

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.
References in periodicals archive ?
The company was given the award for its efforts in supplying Intel with semiconductor capital equipment, litho track, dry etcher, surface preparation cleaning systems, diffusion furnace and wafer probers.
Prior information notice without call for competition: Announcement: deep reactive ion etcher (icp drie) for deep silicon etching (dse) with bosch and cryo process.
AMD selected several types of etchers, including the company's latest Applied Centura(R) Enabler(R) and Producer(R) Dielectric Etch systems for etching advanced copper/low k interconnects.
Nasdaq:TRKN), today announced that leading power device makers that have recently switched to using Omega ICP etchers in production are benefiting from Trikon's industry leading depth resolution.