Patents Assigned to BESI North America, Inc.
  • Patent number: 7764366
    Abstract: A robotic die sorter having pick and place arm assemblies and a multi-camera optical inspection system is disclosed. A pick arm of the pick arm assembly picks a die from a semiconductor wafer, and a place arm of the place arm assembly receives the die from the pick arm and places same in a reel of pocketed tape. After picking, the pick arm and the place arm are rotated into facing arrangement, whereupon the die is transferred to the place head of the place arm and a camera of the optical inspection system to detect defects in the die. After inspection, the place arm rotates toward the pocketed tape and places the die into the pocketed tape. Additional cameras of the optical inspection system allow for calibration of the pick and place arms, as well as monitoring of the die transfer process.
    Type: Grant
    Filed: July 11, 2006
    Date of Patent: July 27, 2010
    Assignee: BESI North America, Inc.
    Inventors: John D. Moore, Lawrence F. Roberts, Miroslaw Sokol