Patents by Inventor Mark Hong

Mark Hong 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).

  • Alignment check method on printed circuit board
    Patent number: 6458608
    Abstract: The present invention provides a checking alignment method for a printed circuit board (PCB). The present method comprises following steps. First, a substrate and a PCB are provided. Then, a tape automated bonding process is performed to attach the substrate and the PCB by using a plurality of tapes. Next, a welding process is performed to connect original dummy lines on the substrate, those tapes, and the PCB to make a testing circuit for checking alignment. The present invention uses visible processes and equipment to check alignment. The present invention can judge more than two wrong alignment positions and quickly find each of wrong positions.
    Type: Grant
    Filed: July 25, 2001
    Date of Patent: October 1, 2002
    Assignee: Hannstar Display Corp.
    Inventor: Mark Hong
  • Alignment check method on printed circuit board
    Publication number: 20020045281
    Abstract: The present invention provides a checking alignment method for a printed circuit board (PCB). The present method comprises following steps. First, a substrate and a PCB are provided. Then, a tape automated bonding process is performed to attach the substrate and the PCB by using a plurality of tapes. Next, a welding process is performed to connect original dummy lines on the substrate, those tapes, and the PCB to make a testing circuit for checking alignment. The present invention uses visible processes and equipment to check alignment. The present invention can judge more than two wrong alignment positions and quickly find each of wrong positions.
    Type: Application
    Filed: July 25, 2001
    Publication date: April 18, 2002
    Inventor: Mark Hong