Medical needles have many uses. Since the needles are directly inserted into a person’s body, it is critical that manufacturers adhere to national and international standards for shape, materials, and ...

This article explains the benefits of the non-contact inspection method used by 3D optical profilers, and outlines the best practices and measurement results for some specialized PTB ...

Surface roughness influences many mechanical properties, including friction and adhesion, surface reactivity, semiconductor substrate quality, and surface interaction with electromagnetic waves, ...

The U.S. Army uses the root mean squared of elevation, or the RMSE standard for characterizing road/off-road roughness descriptions. This standard has often appeared in contracts as a performance ...