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 dry plasma etch process gives very high silicon etch rates, high mask selectivities for resist and oxide masks, good etch uniformity, and vertical anisotropic etch profiles.
The 6500 etch system is a state-of the-art, high-vacuum etch cluster tool and is used in production fabs to etch multiple thin films in an extremely clean process environment.
A single Marathon 8600 system can reduce cost of ownership for etch customers by more than 50% over conventional abatement methods.
Hitachi's XT etch chamber is proving an ideal platform for high-k and metal etch as it is able to perform low-pressure, room temperature etch, which is particularly effective in avoiding time-dependent dielectric breakdown (TDDB).
Unaxis Wafer Processing offers innovative production solutions for deposition and etch.
Aviza's Omega fxP plasma etch system can be configured with up to six process modules to address a variety of applications.
With over 90 chambers already shipped to customers, the rapid industry acceptance of this new system is helping us make a major impact in the etch marketplace, where the shift to advanced production and next-generation development has shown the severe limitations of etchers that use older technology.
Tegal is the leading company in plasma etch technology for several types of non-volatile memory devices, such as FeRAM, MRAM, RRAM and polymeric memories," said Murali Narasimhan, Tegal's recently appointed Vice President of Marketing.
Popular applications include silicon nitride and oxide dielectric etch in addition to a wide variety of polymer etch treatments.
Dennis, senior vice president and general manager of Applied Materials' Etch and Front End Products Groups.
The Dimension AFP is the world's only AFM single-tool fab solution, designed for both CMP and etch metrology at 65nm," stated Jeannine Sargent, Executive Vice President, Veeco Metrology & Instrumentation.
Tegal is committed to ongoing support and continuous improvement of our large installed base of etch equipment in Japan," said Paul Werbaneth, General Manager of Tegal Japan, Inc.