³Ô¹Ïtv / SOLDERING ENGINEERINGTravel through an effective contact regionTravel / thermal processExact machine and measured product matterSpeed in mm/s = m/min x 1000 / 60Contact time = length / speedActual wave shape and accessstill matterNot a stationary selective-solderdwellExplanatory schematic. Not to scale, a process recipe, acceptance limit or inspection evidence.