Patents by Inventor Urs Bürgi

Urs Bürgi 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).

  • Method and device for the application of a liquid substance
    Patent number: 6293317
    Abstract: A device for the application of a liquid substance has a baseplate, in which at least one cavity is recessed, and a container. In operation, the container and the baseplate are moved relative to each other in such a way that during the relative movement the container passes from one side of the cavity to the other side of the cavity. Such a device is particularly suitable for the application of flux, electrically conducting epoxy or soldering paste onto the bumps of a semiconductor chip.
    Type: Grant
    Filed: March 27, 2000
    Date of Patent: September 25, 2001
    Assignee: ESEC Trading SA
    Inventors: Urs Bürgi, Otto Christen, Michael Schlunegger