Patents by Inventor Tomas Jarstad

Tomas Jarstad 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).

  • Substrate contacts and shielding devices in a semiconductor component
    Patent number: 6472723
    Abstract: Apparatus and methods for manufacturing low-resistant substrate contacts in integrated circuits are disclosed. The contacts are low resistive conducting plugs and are located outside the areas of active components. The substrate is connected from the top portion in order to obtain a low resistance. Multiple metal plugs electrically interconnect the substrate of the integrated circuit with the top portion of the integrated circuit.
    Type: Grant
    Filed: March 21, 1997
    Date of Patent: October 29, 2002
    Assignee: Telefonaktiebolaget LM Ericsson (publ)
    Inventors: Tomas Jarstad, Hans Norström