Difference between revisions of "Profilometer"
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=== Overview === | === 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 microscope]]can be used for characterizing a surface. | 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 microscope]] can be used for characterizing a surface. | ||
see wikipedia [[http://en.wikipedia.org/wiki/Profilometer Profilometer]] | see wikipedia [[http://en.wikipedia.org/wiki/Profilometer Profilometer]] | ||
Revision as of 09:27, 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 microscope can 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