Patents by Inventor Don E. Crockett

Don E. Crockett 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).

  • MICROELECTROMECHANICAL RF SWITCH
    Publication number: 20030227361
    Abstract: A MEMS switch having spaced-apart RF conductors on a substrate with a bridge structure disposed above the substrate. In one embodiment the bridge structure has two flexible arms supported by two support members and in another embodiment the bridge structure has three flexible arms supported by three support members, the third support member being electrically integral with the second conductor. The bridge structure is drawn down to effect electrical contact between the first and second conductors by application of a control signal to a control electrode, having an opposed electrode on the undersurface of the bridge structure. A central stiffener portion of the bridge prevents any contact between the control and opposed electrodes.
    Type: Application
    Filed: May 31, 2002
    Publication date: December 11, 2003
    Inventors: Lawrence E. Dickens, Fred E. Sacks, Howard Fudem, Don E. Crockett, Frank Lindberg, Robert Young, Gregory DeSalvo
  • Microelectromechanical RF switch
    Patent number: 6657525
    Abstract: A MEMS switch having spaced-apart RF conductors on a substrate with a bridge structure disposed above the substrate. In one embodiment the bridge structure has two flexible arms supported by two support members and in another embodiment the bridge structure has three flexible arms supported by three support members, the third support member being electrically integral with the second conductor. The bridge structure is drawn down to effect electrical contact between the first and second conductors by application of a control signal to a control electrode, having an opposed electrode on the undersurface of the bridge structure. A central stiffener portion of the bridge prevents any contact between the control and opposed electrodes.
    Type: Grant
    Filed: May 31, 2002
    Date of Patent: December 2, 2003
    Assignee: Northrop Grumman Corporation
    Inventors: Lawrence E. Dickens, Fred E. Sacks, Howard Fudem, Don E. Crockett, Frank Lindberg, Robert Young, Gregory DeSalvo