Patents by Inventor Andrew Troup

Andrew Troup 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: 8116042
    Abstract: A device capable of exhibiting the extraordinary magnetoresistance (EMR) effect includes an elongate channel formed of silicon. A conductor comprising heavily doped silicon is connected to the channel along one side of the channel so as to provide a shunt. A gate arrangement including a gate electrode is provided on the channel. Applying a bias of appropriate polarity and sufficient magnitude to the gate electrode results in the formation of an inversion layer in the channel.
    Type: Grant
    Filed: February 23, 2009
    Date of Patent: February 14, 2012
    Assignee: Hitachi, Ltd.
    Inventors: Susumu Ogawa, Andrew Troup, David Williams, Hiroshi Fukuda
  • Patent number: 8094417
    Abstract: A magnetoresistance device has a channel extending between first and second ends in a first direction comprising non-ferromagnetic semiconducting material, such as silicon, a plurality of leads connected to and spaced apart along the channel, a gate structure for applying an electric field to the channel in a second direction which is substantially perpendicular to the first direction so as to form an inversion layer in the channel and a face which lies substantially in a plane defined by the first and second directions and which is configured such that an edge of the channel runs along the face.
    Type: Grant
    Filed: February 23, 2009
    Date of Patent: January 10, 2012
    Assignee: Hitachi, Ltd.
    Inventors: Susumu Ogawa, Andrew Troup, David Williams, Hiroshi Fukuda
  • Publication number: 20090303639
    Abstract: A device capable of exhibiting the extraordinary magnetoresistance (EMR) effect includes an elongate channel formed of silicon. A conductor comprising heavily doped silicon is connected to the channel along one side of the channel so as to provide a shunt. A gate arrangement including a gate electrode is provided on the channel. Applying a bias of appropriate polarity and sufficient magnitude to the gate electrode results in the formation of an inversion layer in the channel.
    Type: Application
    Filed: February 23, 2009
    Publication date: December 10, 2009
    Inventors: Susumu OGAWA, Andrew Troup, David Williams, Hiroshi Fukuda
  • Publication number: 20090303638
    Abstract: A magnetoresistance device has a channel extending between first and second ends in a first direction comprising non-ferromagnetic semiconducting material, such as silicon, a plurality of leads connected to and spaced apart along the channel, a gate structure for applying an electric field to the channel in a second direction which is substantially perpendicular to the first direction so as to form an inversion layer in the channel and a face which lies substantially in a plane defined by the first and second directions and which is configured such that an edge of the channel runs along the face.
    Type: Application
    Filed: February 23, 2009
    Publication date: December 10, 2009
    Inventors: Susumu OGAWA, Andrew Troup, David Williams, Hiroshi Fukuda
  • Publication number: 20070285848
    Abstract: A magnetoresistance device includes an elongate channel formed of silicon. A conductor comprising titanium silicide is connected to the channel along one side of the channel and leads are connected to and spaced along the channel on the opposite side.
    Type: Application
    Filed: November 30, 2006
    Publication date: December 13, 2007
    Inventors: David Williams, Jorg Wunderlich, Andrew Troup, David Hasko