Some know-how for surface metrology
White light interferometer
Introduction of the white light interferometry technology and the benefits for non-contact areal surface measurement.
Form deviation & roughness
Characterize entire workpiece surfaces, calculate volume and exactly determine peaks and valleys on behalf of the examined distance parameters.
Surface parameters
Learn more about roughness, flatness, step-height and layer thickness.
ISO 21920 roughness
ISO 21920 is the new standard for mechanical engineering, design and roughness specifications
Chromatic confocal technology
Chromatic confocal technology allows reliable, accurate and reproducible dimensional measurements with high resolution.
Surface metrology in our Polytec magazin:
How CSI technology retrieves superior topography, form & roughness measurement data
Read how the optical technology of Coherence Scanning Interferometry (CSI) analyzes topography, form & roughness, where are sweet-spots, benefits and applications compared to related optical surface inspec…
Characterizing surface texture, roughness, imperfections and scratches
Optical polishing is a fabrication technique developed specifically to achieve minimal defects and smooth micro-roughness values. Polishing is a process that involves the use of free grains, usually suspen…
Interview with Prof. Dr. Albert Weckenmann about optical and tactile surface measurement technology
We talked with Prof. Dr. Albert Weckenmann of the University of Erlangen-Nuremberg, Germany, about the limitations of tactile surface measurement technology and the opportunities of non-contact methods.
Confirm flatness, roughness and step height – TopMap quality control on the factory floor
Consistently producing high-quality precision parts is better achieved when the supporting metrology is tightly integrated with the manufacturing process. By combining Polytec’s TopMap optical metrology wi…
Overview of optical methods for surface metrology
For applications where tactile surface measurement techniques have shortcomings, non-contact optical instruments have been developed to overcome these shortcomings. Especially with the development of compu…
How surface metrology reveals the finest forensic details
Forensic science plays a vital role in the criminal justice system by providing scientifically based information through the analysis of physical evidence. During an investigation, evidence is collected at…
For permanently high screw pre-tensioning force and optimum corrosion protection
The surface properties of coatings and paintwork play an important role in many products, as they have a significant impact on visual appearance, corrosion protection and resistance to physical damage. Inf…
Discuss your demands with our experts
Let’s start with a short discussion about your parts, tolerances, and workflow — and, if useful, we can add a feasibility study, PolyMeasure (contract measurements), or a PolyRent trial as optional next steps.
