ISO 25178 Surface Roughness Introduction

This document provides a comprehensive introduction to surface roughness, including definitions and technical explanations of parameters defined in the ISO 25178 Surface Texture standard. It covers terminology, evaluation processes, filtering methods, and differences from JIS B 0601-2001, as well as various measuring instruments such as contact-type profilers, atomic force microscopes, white light interferometers, and 3D laser scanning confocal microscopes.