A laser marking system for IC packages including a tray input shuttle assembly and a tray transport borne by a transport actuator for moving a tray carrier carrying a tray of unmarked packaged ICs received from the tray input shuttle assembly to a tray output shuttle assembly over a transport actuator...http://www.google.com.tw/patents/US7361862?utm_source=gb-gplus-share專利 US7361862 - Laser marking system for dice carried in trays and method of operation
