A profilometer is a measuring instrument used to measure the profile of a surface to quantify its roughness. Calculate critical dimensions such as steps, curvature, flatness from surface topography.While the historical concept of a profilometer is a phonograph-like device that measures a surface as

The diamond stylus moves vertically into contact with the sample and then moves laterally across the sample for a specified distance and a specified contact force. A profiler can measure small surface changes in vertical stylus displacement as a function of position. A typical profiler can measure s