Patents by Inventor Jacques Miltat

Jacques Miltat 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: 7630231
    Abstract: A magnetoresistive hybrid memory cell includes first and second stacked structures. The first stacked structure includes a magnetic tunnel junction including first and second magnetic regions stacked in a parallel, overlying relationship separated by a layer of non-magnetic material, wherein the first magnetic region has a fixed first magnetic moment vector and the second magnetic region has a free second magnetic moment vector that is switchable between the same and opposite directions with respect to the fixed first magnetic moment vector. The second stacked structure is at least partly arranged in a lateral relationship with respect to the first stacked structure and includes a third magnetic region having a fixed third magnetic moment vector and the second magnetic region. The first and second structures are arranged between at least two electrodes in electrical contact therewith.
    Type: Grant
    Filed: August 27, 2007
    Date of Patent: December 8, 2009
    Assignees: Infineon Technologies AG, Altis Semiconductor S.N.C., Centre National de la Recherche Scientifique, Universite Paris-Sud
    Inventors: Jacques Miltat, Yoshinobu Nakatani, Ulrich Klostermann
  • Publication number: 20080094881
    Abstract: A magnetoresistive hybrid memory cell includes first and second stacked structures. The first stacked structure includes a magnetic tunnel junction including first and second magnetic regions stacked in a parallel, overlying relationship separated by a layer of non-magnetic material, wherein the first magnetic region has a fixed first magnetic moment vector and the second magnetic region has a free second magnetic moment vector that is switchable between the same and opposite directions with respect to the fixed first magnetic moment vector. The second stacked structure is at least partly arranged in a lateral relationship with respect to the first stacked structure and includes a third magnetic region having a fixed third magnetic moment vector and the second magnetic region. The first and second structures are arranged between at least two electrodes in electrical contact therewith.
    Type: Application
    Filed: August 27, 2007
    Publication date: April 24, 2008
    Applicants: INFINEON TECHNOLOGIES AG, ALTIS SEMICONDUCTOR S.N.C., CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE (CNRS), UNIVERSITE PARIS-SUD
    Inventors: Jacques Miltat, Yoshinobu Nakatani, Ulrich Klostermann
  • Patent number: 7315467
    Abstract: The present invention relates to a magnetoresistive hybrid memory cell comprising a first stacked structure comprising a magnetic tunnel junction including first and second magnetic regions stacked in a parallel, overlying relationship separated by a layer of non-magnetic material, wherein said first magnetic region being provided with a fixed first magnetic moment vector and said second magnetic region being provided with a free second magnetic moment vector which is free to be switched between the same and opposite directions with respect to said fixed first magnetic moment vector of said first magnetic region, a second stacked structure being at least partly arranged in a lateral relationship as to said first stacked structure and comprising a third magnetic region being provided with a fixed third magnetic moment vector and said second magnetic region; wherein said first and second structures being arranged in between at least two electrodes in electrical contact therewith.
    Type: Grant
    Filed: December 11, 2006
    Date of Patent: January 1, 2008
    Assignees: Infineon Technologies AG, Altis Semiconductor SNC, Centre National de la Recherche Scientifique (CNRS), Universite Paris-SUD
    Inventors: Jacques Miltat, Yoshinobu Nakatani
  • Publication number: 20070081382
    Abstract: The present invention relates to a magnetoresistive hybrid memory cell comprising a first stacked structure comprising a magnetic tunnel junction including first and second magnetic regions stacked in a parallel, overlying relationship separated by a layer of non-magnetic material, wherein said first magnetic region being provided with a fixed first magnetic moment vector and said second magnetic region being provided with a free second magnetic moment vector which is free to be switched between the same and opposite directions with respect to said fixed first magnetic moment vector of said first magnetic region, a second stacked structure being at least partly arranged in a lateral relationship as to said first stacked structure and comprising a third magnetic region being provided with a fixed third magnetic moment vector and said second magnetic region; wherein said first and second structures being arranged in between at least two electrodes in electrical contact therewith.
    Type: Application
    Filed: December 11, 2006
    Publication date: April 12, 2007
    Inventors: Jacques Miltat, Yoshinobu Nakatani
  • Publication number: 20060146601
    Abstract: A magnetoresistive hybrid memory cell includes first and second stacked structures. The first stacked structure includes a magnetic tunnel junction including first and second magnetic regions stacked in a parallel, overlying relationship separated by a layer of non-magnetic material, wherein the first magnetic region has a fixed first magnetic moment vector and the second magnetic region has a free second magnetic moment vector that is switchable between the same and opposite directions with respect to the fixed first magnetic moment vector. The second stacked structure is at least partly arranged in a lateral relationship with respect to the first stacked structure and includes a third magnetic region having a fixed third magnetic moment vector and the second magnetic region. The first and second structures are arranged between at least two electrodes in electrical contact therewith.
    Type: Application
    Filed: December 30, 2004
    Publication date: July 6, 2006
    Inventors: Jacques Miltat, Yoshinobu Nakatani
  • Publication number: 20060146598
    Abstract: The present invention relates to a magnetoresistive hybrid memory cell comprising a first stacked structure comprising a magnetic tunnel junction including first and second magnetic regions stacked in a parallel, overlying relationship separated by a layer of non-magnetic material, wherein said first magnetic region being provided with a fixed first magnetic moment vector and said second magnetic region being provided with a free second magnetic moment vector which is free to be switched between the same and opposite directions with respect to said fixed first magnetic moment vector of said first magnetic region, a second stacked structure being at least partly arranged in a lateral relationship as to said first stacked structure and comprising a third magnetic region being provided with a fixed third magnetic moment vector and said second magnetic region; wherein said first and second structures being arranged in between at least two electrodes in electrical contact therewith.
    Type: Application
    Filed: January 24, 2006
    Publication date: July 6, 2006
    Inventors: Jacques Miltat, Yoshinobu Nakatani
  • Patent number: 7061797
    Abstract: A magnetoresistive hybrid memory cell includes first and second stacked structures. The first stacked structure includes a magnetic tunnel junction including first and second magnetic regions stacked in a parallel, overlying relationship separated by a layer of non-magnetic material, wherein the first magnetic region has a fixed first magnetic moment vector and the second magnetic region has a free second magnetic moment vector that is switchable between the same and opposite directions with respect to the fixed first magnetic moment vector. The second stacked structure is at least partly arranged in a lateral relationship with respect to the first stacked structure and includes a third magnetic region having a fixed third magnetic moment vector and the second magnetic region. The first and second structures are arranged between at least two electrodes in electrical contact therewith.
    Type: Grant
    Filed: December 30, 2004
    Date of Patent: June 13, 2006
    Assignees: Infineon Technologies AG, Altis Semiconductor
    Inventors: Jacques Miltat, Yoshinobu Nakatani
  • Patent number: 5260891
    Abstract: A Bloch line magnetic memory has a magnetic film of thickness h located on a substrate and includes Bloch lines of width .LAMBDA.o. The magnetic film satisfies the condition (1) h/.LAMBDA.o<14 with .LAMBDA.o=.sqroot.A/2.pi.Ms.sup.2, in which A represents the magnetic exchange constant and 4.pi.Ms represents the saturation magnetization of the film.
    Type: Grant
    Filed: September 19, 1991
    Date of Patent: November 9, 1993
    Assignee: L'Etat Francais represente par la Delegue General
    Inventors: Lucile Arnaud, Ben J. Youssef, Didier Challeton, Jacques Miltat