etching


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Related to etching: Plasma etching

etching

 [ech´ing]
the cutting of a hard surface such as metal or glass by a corrosive chemical, usually an acid, in order to create a design.
acid etching etching of dental enamel with an acid in order to roughen the surface, increase retention of resin sealant, and promote mechanical retention.
References in periodicals archive ?
He's a master in the art of printmaking...or the process of creating etchings.
The British Museum in London has announced it will house a free display, called At Home: Royal Etchings By Queen Victoria And Prince Albert, from July 18 to September to mark the bicentenary of both their births.
From these advances arose processing technologies such as any-layer or everylayer printing and etching and advanced tenting processing (ATP).
Throughout the past years, many studies have focused on finding alternative methods to conventional acid etching that are less damaging to the tooth structure and simultaneously yield optimum bond strength.
Over the last decades, laser etching especially has been developed as a suggested alternative technique for enamel surface pretreatment in response to the disadvantages of the conventional acid etching method (14-16).
Whistler and Pennell: Etching the City features 38 prints that capture the changing landscape of New York and London (and their surrounding areas), in the final years of the industrial revolution.
Etching as a printing method is thought to go as far back as the 15th century and the exhibition features artwork created by several different forms of the process.
Acid texturing for DWS mc silicon wafers by etching in HF/HN[O.sub.3]/[H.sub.2]O/additive solution (49wt% HF: 65wt% HN[O.sub.3]: [H.sub.2]O=1:2:1.2 by volume, 10[degrees]C) and subsequent cleaning in KOH solution and HF/HCl solution via RENA Inline text machine.
The incident laser beam was focused into the illuminated area, and the etching time was 60 min.
While providing quick turnaround and low tooling costs, photo etching produces burr-free parts with intricate and complex shapes.
Therefore, preliminary phosphoric acid etching was recommended to improve the adhesion to enamel.19,20,21
The alkaline solution etches <111> planes with a very low etching rate compared with other planes, especially <100> planes (the etching rate ratio for <100> to <111> planes is 10~35).