Difference between revisions of "Profilometer"

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=== Technique ===
=== Technique ===
'''A contact style profilometer'''


{{#ev:youtube|FQlUnsVxX2Q}}


A non-contact profilometer
 
'''A non-contact profilometer'''


{{#ev:youtube|prUANnlQFFQ}}  
{{#ev:youtube|prUANnlQFFQ}}  

Revision as of 09:45, 13 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 contact style profilometer


A non-contact profilometer

Video instructions for the Wycko Profilometer at GT Microelectronics Research Center

Significance