发明授权
- 专利标题: Magnetic memory element and nonvolatile memory device
- 专利标题(中): 磁存储元件和非易失性存储器件
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申请号: US13416724申请日: 2012-03-09
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公开(公告)号: US08716817B2公开(公告)日: 2014-05-06
- 发明人: Daisuke Saida , Minoru Amano , Yuichi Ohsawa , Junichi Ito , Hiroaki Yoda
- 申请人: Daisuke Saida , Minoru Amano , Yuichi Ohsawa , Junichi Ito , Hiroaki Yoda
- 申请人地址: JP Tokyo
- 专利权人: Kabushiki Kaisha Toshiba
- 当前专利权人: Kabushiki Kaisha Toshiba
- 当前专利权人地址: JP Tokyo
- 代理机构: Oblon, Spivak, McClelland, Maier & Neustadt, L.L.P.
- 优先权: JP2011-206662 20110921
- 主分类号: H01L29/82
- IPC分类号: H01L29/82
摘要:
According to one embodiment, a magnetic memory element includes a stacked body including first and second stacked units stacked with each other. The first stacked unit includes first and second ferromagnetic layers and a first nonmagnetic layer provided therebetween. The second stacked unit includes third and fourth ferromagnetic layers and a second nonmagnetic layer provided therebetween. Magnetization of the second and third ferromagnetic layers are variable. Magnetizations of the first and fourth ferromagnetic layers are fixed in a direction perpendicular to the layer surfaces. A cross-sectional area of the third ferromagnetic layer is smaller than a cross-sectional area of the first stacked unit when cut along a plane perpendicular to the stacking direction.
公开/授权文献
- US20130069185A1 MAGNETIC MEMORY ELEMENT AND NONVOLATILE MEMORY DEVICE 公开/授权日:2013-03-21
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