Profilometer

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Contents

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.


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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