What is Profilometer?

What is Profilometer?

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A profilometer is a measuring instrument used to measure a surface's profile, in order to quantify its roughness. Critical dimensions as a step, curvature, flatness are computed from the surface topography.

While the historical notion of a profilometer was a device similar to a phonograph that measures a surface as the surface is moved relative to the contact profilometer's stylus, this notion is changing with the emergence of numerous non-contact profilometry techniques.

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