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About Surface Metrology Equipment
Surface metrology equipment is used to measure the surface finish and/or geometry of engineering components. Surface texture and topology characteristics include surface roughness, contour, form, waviness and defects. There are two main types of surface metrology equipment: form gages and surface profilometers. Form gages, form gaging systems, and contour measuring machines are used to inspect parameters such as roundness, angularity, squareness, straightness, flatness, runout, taper and concentricity. Surface profilometers measure roughness, waviness and other finish or surface texture parameters by either contact or non-contact methods. Contact or stylus-based instruments drag a sharp, pointed tool across the surface. Height variations of the tip are recorded and hen used to form a texture profile of the surface. Non-contact instruments measure surface texture by optically scanning the surface with a light or laser. Optical or light-based profilometers can also use triangulation or interferometry to measure or capture a surface profile. Most contact or stylus-based surface metrology equipment provides a two-dimensional (2D) or line profile; however, non-contact devices can provide three-dimensional (3D) or areal-topography measurements.
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Engineering Web: Surface Metrology Equipment - Machine Design
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Close scrutiny for thin films thanks to innovative encoders |... Semiconductor Manufacturing Industry Focus - New metrology equipment can resolve distances down to 19 nm on semiconductor wafers through use of |
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Modular Air Bearings for Motion Control | Machine Design Resources New Way Air Bearings, www.newwayairbearings.com Radial-Air-Bearings Product info, www.newwayairbearings.com/Detailed-Product-Information |
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Machine Design | Multisensor metrology support lets designers use touch probes in combination with 3D laser scanners. |
