END USER LICENCE AGREEMENTEnd User License Agreement • May 6th, 2014
Contract Type FiledMay 6th, 2014Because a “perfect plane” does not exist, an optical flat can be measured instead. Figure 12 below shows a photograph of the National Physical Laboratory optical flat that was used to assess the contribution from flatness and noise errors, to the uncertainty of tooth wear measurement using the white light confocal profilometer.