Difference between revisions of "Profilometer"
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A non-contact profilometer | |||
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Revision as of 10:26, 12 October 2010
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Overview
Profilometer is an instrument that measures a surface's profile or roughness at the nanometer level. A contact profilometer has a diamond stylus that physically touches the surface. It is not sensitive to surface color or reflectance. Optical or non-contact profilometers scan the surface with light. A confocal microscopecan be used for characterizing a surface.
see wikipedia [Profilometer]
<swf width="500" height="400">images/3/35/Profilometer.swf</swf>
Technique
A non-contact profilometer
Video instructions for the Wycko Profilometer at GT Microelectronics Research Center