Hector Lara

Hector Lara is project manager, nano-bio instruments at Veeco Instruments Inc. (Tucson, AZ). For more information, e-mail hlara@veeco.com or visit www.veeco.com.

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Quality measurement: Surface Metrology Tools Support Quality Needs

By Geoff Anderson and Hector Lara
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Quantitative measurement of surface topography is now a key QC/QA requirement in an increasingly broad range of industries, products and materials. This includes measurements on finished products, research and development (R&D) into new surfaces and surface treatments and in-process monitoring during volume production. Materials include metals, composites, plastics, paper, painted and plated surfaces, porous surfaces and glass. Drivers for these measurements range from critical functional and performance impact, as in the case of a partially processed semiconductor wafer surface, to expected lifetime, such as for hip implant bearing surfaces, to aesthetic considerations, an example being orange peel in automotive paint.
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