Profilometer

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Overview

A 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.

<swf width="500" height="400">images/3/35/Profilometer.swf</swf>

Significance

Technique

A contact style profilometer

A non-contact profilometer

Video instructions for the Wycko Profilometer at GT Microelectronics Research Center

Links

see wikipedia:Profilometer

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