ASCEN Technology | https://www.ascen.ltd/Products/Solder_paste_printer/513.html
full auto PCB screen printer model SE700 is a very accurate fully automatic SMT stencil printer. It includes a powerful AT-align automatic fiducial finding and PCB board offset adjustment system
GPD Global | https://www.gpd-global.com/co_website/features-needlecalibration-max.php
. Impression Pad For fluids that are optically clear or not easily visible to the camera, we use an impression pad. During the XYZ calibration routine, the system gently presses nozzle into an impressionable surface leaving an outline of nozzle tip
