AI servers laser marking and inspection

AI server boards, accelerator cards and power modules need laser marking, conformal-coating inspection and 3D glue-path inspection.

Server boards are large and densely populated. Large-field coating inspection looks for missed or excess conformal coat. 3D glue-path inspection looks at thermal-paste and underfill height and breaks. A laser marking machine writes the board number and the trace code. The vision and motion-control software keeps the result on the station.