Patents by Inventor Gerald A. Yearsley

Gerald A. Yearsley 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).

  • Direct mounting method for semiconductors
    Patent number: 4896418
    Abstract: A method for placing reverse mounted semiconductor bars on a lead frame wherein the semiconductor bar is placed in the target area and accurately position by an alignment system including a video camera which views the semiconductor bar, through a transparent stage for positioning the bar for mounting, during the time of placement of the bar, and optionally a second video camera is used to monitor the position of the lead frame during mounting.
    Type: Grant
    Filed: August 7, 1987
    Date of Patent: January 30, 1990
    Assignee: Texas Instrument Incorporated
    Inventor: Gerald A. Yearsley