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公开(公告)号：US20120134057A1
公开(公告)日：2012-05-31
申请号：US12956752
申请日：2010-11-30
申请人： Dion Song , Mark William Covington , Qing He , Dimitar Velikov Dimitrov , Wei Tian , Wonjoon Jung , Sunita Bhardwaj Gangopadhyay
发明人： Dion Song , Mark William Covington , Qing He , Dimitar Velikov Dimitrov , Wei Tian , Wonjoon Jung , Sunita Bhardwaj Gangopadhyay
CPC分类号： G11B5/3912 , B82Y10/00 , B82Y25/00 , G11B5/3909 , G11B2005/3996
摘要： A magnetic element capable of detecting changes in magnetic states, such as for use as a read sensor in a data transducing head or as a solid-state non-volatile memory element. In accordance with various embodiments, the magnetic element includes a magnetically responsive stack or lamination with a first areal extent. The stack includes a spacer layer positioned between first and second ferromagnetic free layers. At least one antiferromagnetic (AFM) tab is connected to the first free layer on a surface thereof opposite the spacer layer, the AFM tab having a second areal extent that is less than the first areal extent.
摘要翻译： 能够检测磁状态变化的磁性元件，例如用作数据转换头中的读取传感器或作为固态非易失性存储元件。 根据各种实施例，磁性元件包括具有第一面积范围的磁响应叠层或叠层。 堆叠包括位于第一和第二铁磁自由层之间的间隔层。 至少一个反铁磁（AFM）接头连接到与隔离层相对的表面上的第一自由层，AFM接头具有小于第一面积范围的第二面积范围。
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2.发明授权Magnetic element with improved stability and including at least one antiferromagnetic tab 有权具有改进的稳定性并且包括至少一个反铁磁性片的磁性元件公开(公告)号：US08553369B2
公开(公告)日：2013-10-08
申请号：US12956752
申请日：2010-11-30
申请人： Dion Song , Mark William Covington , Qing He , Dimitar Velikov Dimitrov , Wei Tian , Wonjoon Jung , Sunita Bhardwaj Gangopadhyay
发明人： Dion Song , Mark William Covington , Qing He , Dimitar Velikov Dimitrov , Wei Tian , Wonjoon Jung , Sunita Bhardwaj Gangopadhyay
IPC分类号： G11B5/39
CPC分类号： G11B5/3912 , B82Y10/00 , B82Y25/00 , G11B5/3909 , G11B2005/3996
摘要： A magnetic element capable of detecting changes in magnetic states, such as for use as a read sensor in a data transducing head or as a solid-state non-volatile memory element. In accordance with various embodiments, the magnetic element includes a magnetically responsive stack or lamination with a first areal extent. The stack includes a spacer layer positioned between first and second ferromagnetic free layers. At least one antiferromagnetic (AFM) tab is connected to the first free layer on a surface thereof opposite the spacer layer, the AFM tab having a second areal extent that is less than the first areal extent.
摘要翻译： 能够检测磁状态变化的磁性元件，例如用作数据转换头中的读取传感器或作为固态非易失性存储元件。 根据各种实施例，磁性元件包括具有第一面积范围的磁响应叠层或叠层。 堆叠包括位于第一和第二铁磁自由层之间的间隔层。 至少一个反铁磁（AFM）接头连接到与隔离层相对的表面上的第一自由层，AFM接头具有小于第一面积范围的第二面积范围。
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公开(公告)号：US20130050876A1
公开(公告)日：2013-02-28
申请号：US13222113
申请日：2011-08-31
IPC分类号： G11B21/21
CPC分类号： G11B5/6005 , G01R33/093 , G01R33/098 , G11B5/3906 , G11B5/3932 , G11B5/398 , H01F10/3236 , H01F10/325 , H01F10/3254 , H01F10/3286 , H01L45/08 , H01L45/10
摘要： Disclosed herein are magnetic sensors that include: a sensor stack having a front and an opposing back, wherein the front of the sensor stack defines an air bearing surface of the magnetic sensor, and the sensor stack includes: a free layer assembly having a second magnetization direction, that is substantially perpendicular to a plane of each layer of the sensor stack; and a stabilizing structure positioned away from the air bearing surface at the back of the sensor stack.
摘要翻译： 这里公开的是磁传感器，其包括：传感器堆叠，其具有前部和相对的后部，其中传感器堆的前部限定了磁性传感器的空气轴承表面，并且传感器堆包括：具有第二磁化的自由层组件 方向，其基本上垂直于传感器堆叠的每个层的平面; 以及在传感器堆叠的背面远离空气支承表面定位的稳定结构。
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公开(公告)号：US08467154B2
公开(公告)日：2013-06-18
申请号：US13222113
申请日：2011-08-31
IPC分类号： G11B5/127
CPC分类号： G11B5/6005 , G01R33/093 , G01R33/098 , G11B5/3906 , G11B5/3932 , G11B5/398 , H01F10/3236 , H01F10/325 , H01F10/3254 , H01F10/3286 , H01L45/08 , H01L45/10
摘要： Disclosed herein are magnetic sensors that include: a sensor stack having a front and an opposing back, wherein the front of the sensor stack defines an air bearing surface of the magnetic sensor, and the sensor stack includes: a free layer assembly having a second magnetization direction, that is substantially perpendicular to a plane of each layer of the sensor stack; and a stabilizing structure positioned away from the air bearing surface at the back of the sensor stack.
摘要翻译： 这里公开的是磁传感器，其包括：传感器堆叠，其具有前部和相对的后部，其中传感器堆的前部限定了磁性传感器的空气轴承表面，并且传感器堆包括：具有第二磁化的自由层组件 方向，其基本上垂直于传感器堆叠的每个层的平面; 以及在传感器堆叠的背面远离空气支承表面定位的稳定结构。
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公开(公告)号：US08705212B2
公开(公告)日：2014-04-22
申请号：US13093536
申请日：2011-04-25
申请人： Jason Bryce Gadbois , Michael Christopher Kautzky , Mark William Covington , Dian Song , Dimitar Velikov Dimitrov , Qing He , Wei Tian , Thomas Boonstra , Sunita Gangopadhyay
发明人： Jason Bryce Gadbois , Michael Christopher Kautzky , Mark William Covington , Dian Song , Dimitar Velikov Dimitrov , Qing He , Wei Tian , Thomas Boonstra , Sunita Gangopadhyay
CPC分类号： G11B5/398 , B82Y40/00 , G01R33/093 , G01R33/098 , G11B5/3912 , H01F10/325 , H01F10/3254 , H01F41/303 , Y10T29/49021 , Y10T29/49034
摘要： An apparatus and associated method may be used to produce a magnetic element capable of detecting changes in magnetic states. Various embodiments of the present invention are generally directed to a magnetically responsive lamination of layers with a first portion and a laterally adjacent second portion. The second portion having a predetermined roughness between at least two layers capable of producing orange-peel coupling.
摘要翻译： 可以使用装置和相关联的方法来产生能够检测磁状态变化的磁性元件。 本发明的各种实施例通常涉及具有第一部分和横向相邻的第二部分的层的磁响应层压。 第二部分在至少两层之间具有能够产生橙皮耦合的预定粗糙度。
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公开(公告)号：US20120268846A1
公开(公告)日：2012-10-25
申请号：US13093536
申请日：2011-04-25
申请人： Jason Bryce Gadbois , Michael Christopher Kautzky , Mark William Covington , Dian Song , Dimitar Velikov Dimitrov , Qing He , Wei Tian , Thomas Boonstra , Sunita Gangopadhyay
发明人： Jason Bryce Gadbois , Michael Christopher Kautzky , Mark William Covington , Dian Song , Dimitar Velikov Dimitrov , Qing He , Wei Tian , Thomas Boonstra , Sunita Gangopadhyay
CPC分类号： G11B5/398 , B82Y40/00 , G01R33/093 , G01R33/098 , G11B5/3912 , H01F10/325 , H01F10/3254 , H01F41/303 , Y10T29/49021 , Y10T29/49034
摘要： An apparatus and associated method may be used to produce a magnetic element capable of detecting changes in magnetic states. Various embodiments of the present invention are generally directed to a magnetically responsive lamination of layers with a first portion and a laterally adjacent second portion. The second portion having a predetermined roughness between at least two layers capable of producing orange-peel coupling.
摘要翻译： 可以使用装置和相关联的方法来产生能够检测磁状态变化的磁性元件。 本发明的各种实施例通常涉及具有第一部分和横向相邻的第二部分的层的磁响应层压。 第二部分在至少两层之间具有能够产生橙皮耦合的预定粗糙度。
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公开(公告)号：US08755154B2
公开(公告)日：2014-06-17
申请号：US13231451
申请日：2011-09-13
CPC分类号： G01R33/091 , G11B5/3906 , G11B5/3932 , G11B5/398 , Y10T29/49636 , Y10T428/11
摘要： Various embodiments may be constructed with a trilayer stack that is positioned on an air bearing surface (ABS). The trilayer stack can be configured with a stripe height along an axis orthogonal to the ABS and with first and second magnetic free layers that each has an angled uniaxial anisotropy with respect to the ABS.
摘要翻译： 各种实施例可以用位于空气轴承表面（ABS）上的三层堆叠来构造。 三层叠层可以沿着与ABS垂直的轴线具有条纹高度，并且具有第一和第二磁性层，其各自相对于ABS具有成角度的单轴各向异性。
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公开(公告)号：US20130065085A1
公开(公告)日：2013-03-14
申请号：US13231451
申请日：2011-09-13
CPC分类号： G01R33/091 , G11B5/3906 , G11B5/3932 , G11B5/398 , Y10T29/49636 , Y10T428/11
摘要： Various embodiments may be constructed with a trilayer stack that is positioned on an air bearing surface (ABS). The trilayer stack can be configured with a stripe height along an axis orthogonal to the ABS and with first and second magnetic free layers that each has an angled uniaxial anisotropy with respect to the ABS.
摘要翻译： 各种实施例可以用位于空气轴承表面（ABS）上的三层堆叠来构造。 三层叠层可以沿着与ABS垂直的轴线具有条纹高度，并且具有第一和第二磁性层，其各自相对于ABS具有成角度的单轴各向异性。
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公开(公告)号：US20110228428A1
公开(公告)日：2011-09-22
申请号：US12727698
申请日：2010-03-19
IPC分类号： G11B5/33
CPC分类号： G11B5/3909 , B82Y10/00 , B82Y25/00 , G11B5/3932 , G11B2005/3996
摘要： A magnetoresistive read sensor with improved sensitivity and stability is described. The sensor is a trilayer stack positioned between two electrodes. The trilayer stack has two free layers separated by a nonmagnetic layer and a biasing magnet positioned at the rear of the stack and separated from the air bearing surface by the stripe height distance. Current in the sensor is confined to regions close to the air bearing surface by an insulator layer to enhance reader sensitivity.
摘要翻译： 描述了具有改进的灵敏度和稳定性的磁阻读取传感器。 传感器是位于两个电极之间的三层叠层。 三层叠层具有由非磁性层隔开的两个自由层和位于堆叠后部的偏置磁体，并与空气轴承表面分开条纹高度距离。 传感器中的电流被绝缘体层限制在靠近空气轴承表面的区域，以增强读取器灵敏度。
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公开(公告)号：US08659855B2
公开(公告)日：2014-02-25
申请号：US12727698
申请日：2010-03-19
IPC分类号： G11B5/39
CPC分类号： G11B5/3909 , B82Y10/00 , B82Y25/00 , G11B5/3932 , G11B2005/3996
摘要： A magnetoresistive read sensor with improved sensitivity and stability is described. The sensor is a trilayer stack positioned between two electrodes. The trilayer stack has two free layers separated by a nonmagnetic layer and a biasing magnet positioned at the rear of the stack and separated from the air bearing surface. Current in the sensor is confined to regions close to the air bearing surface by an insulator layer to enhance reader sensitivity.
摘要翻译： 描述了具有改进的灵敏度和稳定性的磁阻读取传感器。 传感器是位于两个电极之间的三层叠层。 三层堆叠具有由非磁性层隔开的两个自由层和位于堆叠后部并与空气支承表面分离的偏置磁体。 传感器中的电流被绝缘体层限制在靠近空气轴承表面的区域，以增强读取器灵敏度。
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