A paste applicator for drawing a paste pattern on a substrate has X- and Y-axis tables, on which the substrate is mounted, and a paste reservoir tube, a nozzle, a nozzle support and an optical displacement meter all fixed to a Z-axis table in opposite relation to the substrate. The paste reservoir tube...http://www.google.fr/patents/US5415693?utm_source=gb-gplus-shareBrevet US5415693 - Paste applicator