etching

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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.

etching

[ech′ing]
the cutting of a hard surface, such as metal or glass, by a corrosive chemical, usually an acid, to create a design.

etching,

n a process used to decalcify the superficial layers of enamel as a step in the application of sealants or bonding agents in preventive dentistry and orthodontics. The agent of choice is phosphoric acid in concentrations of 30% to 40%.

etching

References in periodicals archive ?
Calling her study preliminary, Etcher said this new treatment needs to be studied with a larger sample and different demographics.
We felt like we had them on their heels and we just kept the pressure on," Etcher said.
For more information about the Mask Etcher III, contact Archuletta at michael.
I just saw it sitting there and just tried to get a piece of it," said Etcher, who also scored last year against Chatsworth.
Etcher was one of several ECR players that repeatedly sacrificed their body on the water-logged field to intercept passes or deflect shots, with Lindsey Forte, Sasha Scott and Erin O'Leary all doing their part to protect the lead.
You can't get (to a national level) if you don't go out and test yourself against the best,'' Etcher said.
With the semiconductor industry technology roadmap (ITRS) continuing to contract, the design of the MASK ETCHER V(TM) tool demonstrates micro-lithography and ultra-high resolution mask making are key success factors for the future of semiconductors.
We appreciate Elpida's selection of the AdvantEdge etcher, which demonstrates the exceptional value of the system in the challenging environment of high-volume memory production, where advanced technological capability and cost-effectiveness are both key to profitability," said Tom St.
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.
The unique ability of our advanced 6540 etcher to handle difficult-to-etch materials makes it an ideal choice for wireless device makers worldwide," said Steve Selbrede, Vice President and Chief Technology Officer of Tegal Corporation.