Patents Assigned to ITC Company Ltd.
  • Printed wiring board inspection apparatus
    Patent number: 6429673
    Abstract: The pneumatic cylinder is fixed on between the lower member of the upper unit and the lower member of the lower unit. As the shaft of the pneumatic cylinder extends, the upper unit starts lowering by its own weight at first. When the upper unit reaches to the point limited by the stopper, the lower unit then starts rising and the lower unit stops in a state where the shaft has extended to its full length. In this state, the probes and are in contact with the printed wiring board as applying a specified pressure to it.
    Type: Grant
    Filed: October 28, 1999
    Date of Patent: August 6, 2002
    Assignee: ITC Company Ltd.
    Inventors: Osamu Obata, Masatoshi Kato