Patents by Inventor Bruce D. Hallgren

Bruce D. Hallgren has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Contact pressure jig for signal analysis
    Patent number: 6204677
    Abstract: A testing apparatus has a load board and a device under test electrically interconnected with the load board. A pressure jig, which has a forcing unit and a structural member for fixing a fixed portion of the forcing unit with respect to the load board, also has a pressure actuating component moveable with respect to the fixed portion of the forcing unit. The pressure actuating component contacts the device under test. The apparatus may include a probe that contacts a terminal of the device under test for monitoring the signal state of the terminal as the device under test interacts with the load board.
    Type: Grant
    Filed: September 22, 1998
    Date of Patent: March 20, 2001
    Assignee: Mosel Vitelic, Inc.
    Inventor: Bruce D. Hallgren