2D variations in web: characterisation and measurement As paper is a web product, its quality varies in two dimensions, and thus the quality variations need to be characterised correspondingly. Paper quality is measured for quality management purposes either on-line or off-line. Almost all the on-line quality measurements are made by scanning the sensors over the
To access this post, you must purchase All themes or Process control and automation. Do you already have a membership or are you part of an organization? log in