Patents by Inventor David Erie

David Erie 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).

  • Patent number: 8736003
    Abstract: A Hall effect transducer in a semiconductor wafer comprises a first layer of semiconducting material, a second layer of semiconducting material, and a contact structure configured to provide a path for electrical current to pass through the second layer. The second layer has higher electron hole mobility than the first layer, and is epitaxially grown atop the first layer.
    Type: Grant
    Filed: December 18, 2009
    Date of Patent: May 27, 2014
    Assignee: Allegro Microsystems, LLC
    Inventors: David Erie, Noel Hoilien, Steven Kosier
  • Publication number: 20110147865
    Abstract: A Hall effect transducer in a semiconductor wafer comprises a first layer of semiconducting material, a second layer of semiconducting material, and a contact structure configured to provide a path for electrical current to pass through the second layer. The second layer has higher electron hole mobility than the first layer, and is epitaxially grown atop the first layer.
    Type: Application
    Filed: December 18, 2009
    Publication date: June 23, 2011
    Applicant: POLAR SEMICONDUCTOR, INC.
    Inventors: David Erie, Noel Hoilien, Steven Kosier