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1.发明授权公开(公告)号：US09099109B2
公开(公告)日：2015-08-04
申请号：US14019278
申请日：2013-09-05
Applicant: Seagate Technology LLC
Inventor： Dimitar Velikov Dimitrov , Dian Song , Mark Thomas Kief , Sung-Hoon Gee
IPC: G11B5/31
CPC classification number: G11B5/3116 , G11B5/3163 , G11B5/3912 , G11B5/3932 , G11B5/398 , H01L43/02 , H01L43/08 , H01L43/12
Abstract: A data reader may be configured at least with a magnetic stack that has a first magnetic layer separated from a second magnetic layer by a non-magnetic spacer layer. The first magnetic layer may have an areal extent on an air bearing surface (ABS) that differs from the second magnetic layer while the second magnetic layer can be configured with a first plurality of linear sidewalls that are each angled with respect to a second plurality of linear sidewalls of the first magnetic layer.
Abstract translation: 数据读取器可以至少配置为具有通过非磁性间隔层与第二磁性层分离的第一磁性层的磁性堆叠。 第一磁性层可以具有与第二磁性层不同的空气轴承表面（ABS）上的面积范围，而第二磁性层可以配置有第一多个线性侧壁，该第一多个线性侧壁各自相对于第二多个 第一磁性层的直线侧壁。
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公开(公告)号：US09042061B2
公开(公告)日：2015-05-26
申请号：US14020408
申请日：2013-09-06
Applicant: Seagate Technology LLC
Inventor： Dimitar Velikov Dimitrov , Dian Song , Mark Thomas Kief , Amit Sharma
CPC classification number: G11B5/3929 , G11B5/3903 , G11B5/398
Abstract: A data reader may be configured at least with a magnetic stack positioned on an air bearing surface (ABS) and contacting a spin depolarizing layer that is a minority spin current carrier. The spin depolarizing layer can have a thickness and spin diffusion length corresponding to a net zero spin polarization at an interface of the magnetic stack and spin depolarizing layer.
Abstract translation: 数据读取器可以至少配置在位于空气轴承表面（ABS）上的磁性堆叠并且接触作为少数自旋电流载体的自旋去极化层。 自旋去极化层可以具有对应于磁性堆叠和自旋去极化层的界面处的净零自旋极化的厚度和自旋扩散长度。
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公开(公告)号：US08970991B2
公开(公告)日：2015-03-03
申请号：US13797260
申请日：2013-03-12
Applicant: Seagate Technology LLC
Inventor： Dimitar Velikov Dimitrov , Dian Song , Wonjoon Jung , Mark William Covington , Mark Thomas Kief
IPC: G11B5/39
CPC classification number: G11B5/3912 , G11B5/3932
Abstract: A data storage device may be generally directed to a data transducing head capable of magnetoresistive data reading. Such a data transducing head may be configured with at least a trilayer reader that contacts and is biased by a coupling feature. The coupling feature may have a smaller extent from an air bearing surface (ABS) than the trilayer reader.
Abstract translation: 数据存储设备可以通常指向能够进行磁阻数据读取的数据传输头。 这样的数据传输头可以配置有至少三层读取器，其接触并被耦合特征偏置。 耦合特征可以比三层读取器具有比空气轴承表面（ABS）更小的程度。
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公开(公告)号：US20140268428A1
公开(公告)日：2014-09-18
申请号：US13797260
申请日：2013-03-12
Applicant: SEAGATE TECHNOLOGY LLC
Inventor： Dimitar Velikov Dimitrov , Dian Song , Wonjoon Jung , Mark William Covington , Mark Thomas Kief
IPC: G11B5/39
CPC classification number: G11B5/3912 , G11B5/3932
Abstract: A data storage device may be generally directed to a data transducing head capable of magnetoresistive data reading. Such a data transducing head may be configured with at least a trilayer reader that contacts and is biased by a coupling feature. The coupling feature may have a smaller extent from an air bearing surface (ABS) than the trilayer reader.
Abstract translation: 数据存储设备通常可以指向能够进行磁阻数据读取的数据传输头。 这样的数据传输头可以配置有至少三层读取器，其接触并被耦合特征偏置。 耦合特征可以比三层读取器具有比空气轴承表面（ABS）更小的程度。
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公开(公告)号：US08837075B2
公开(公告)日：2014-09-16
申请号：US13662829
申请日：2012-10-29
Applicant: Seagate Technology LLC
Inventor： Jorge Vicente Hanchi , Dian Song , John Stuart Wright , Andrew D. White
CPC classification number: G11B5/582 , G11B5/3133 , G11B5/40 , G11B5/5552 , G11B5/6005 , G11B5/6064
Abstract: A head assembly including one or more transducer elements for controlling head-media spacing is disclosed. The assembly includes detection circuitry configured to receive an input detection signal responsive to the spacing between the head and the data storage media and provide an output measure indicative of the head-media spacing. The output signal is utilized by control circuitry to provide a control input to one of a plurality of transducer elements on the head to protrude a localized portion of the head to adjust head-media spacing.
Abstract translation: 公开了一种包括一个或多个用于控制头部 - 媒体间隔的换能器元件的头组件。 组件包括检测电路，其被配置为响应于头部和数据存储介质之间的间隔接收输入检测信号，并提供指示头部 - 介质间隔的输出量度。 输出信号由控制电路用于向头部上的多个换能器元件中的一个提供控制输入，以突出头部的局部部分以调节头部 - 介质间隔。
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Patent Agency Ranking
公开(公告)号：US20150070800A1
公开(公告)日：2015-03-12
申请号：US14022282
申请日：2013-09-10
Applicant: Seagate Technology LLC
Inventor： Dimitar Velikov Dimitrov , Dian Song , Mark Thomas Kief , Amit Sharma
IPC: G11B5/31
CPC classification number: G11B5/3909 , G11B5/374 , G11B5/3929 , G11B5/398 , G11B2005/3996
Abstract: A data reader may be configured at least with detector and injector stacks that each has a common spin accumulation layer. The detector stack may positioned on an air bearing surface (ABS) while the injector stack is positioned distal the ABS. The injector stack can have a diffusive layer with a larger spin diffusion length than mean free path.
Abstract translation: 数据读取器可以至少配置有每个具有公共自旋累积层的检测器和注射器堆叠。 检测器堆可以位于空气轴承表面（ABS）上，同时喷射器堆叠位于ABS的远侧。 注射器堆叠可以具有比平均自由程更大的自旋扩散长度的扩散层。
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公开(公告)号：US20130063834A1
公开(公告)日：2013-03-14
申请号：US13662829
申请日：2012-10-29
Applicant: Seagate Technology LLC
Inventor： Jorge Vicente Hanchi , Dian Song , John Stuart Wright , Andrew D. White
CPC classification number: G11B5/582 , G11B5/3133 , G11B5/40 , G11B5/5552 , G11B5/6005 , G11B5/6064
Abstract: A head assembly including one or more transducer elements for controlling head-media spacing is disclosed. The assembly includes detection circuitry configured to receive an input detection signal responsive to the spacing between the head and the data storage media and provide an output measure indicative of the head-media spacing. The output signal is utilized by control circuitry to provide a control input to one of a plurality of transducer elements on the head to protrude a localized portion of the head to adjust head-media spacing.
Abstract translation: 公开了一种包括一个或多个用于控制头部 - 媒体间隔的换能器元件的头组件。 组件包括检测电路，其被配置为响应于头部和数据存储介质之间的间隔接收输入检测信号，并提供指示头部 - 介质间隔的输出量度。 输出信号由控制电路用于向头部上的多个换能器元件中的一个提供控制输入，以突出头部的局部部分以调节头部 - 介质间隔。
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公开(公告)号：US09240200B2
公开(公告)日：2016-01-19
申请号：US13687920
申请日：2012-11-28
Applicant: Seagate Technology LLC
Inventor： Mark William Covington , Victor Boris Sapozhnikov , Wonjoon Jung , Dimitar Velikov Demitrov , Dian Song , Taras Pohkil
CPC classification number: G11B5/3163 , G11B5/3906 , G11B5/3932 , G11B5/398
Abstract: A magnetic element may be configured with at least a magnetic stack having first and second magnetically free layers that each has a predetermined stripe height from an air bearing surface (ABS). The first and second magnetically free layers can respectively be configured with first and second uniaxial anisotropies that are crossed in relation to the ABS and angled in response to the predetermined stripe height.
Abstract translation: 磁性元件可以被构造成具有至少一个具有第一和第二磁性层的磁性堆叠，每个磁层具有从空气轴承表面（ABS）的预定条带高度。 第一和第二无磁性层可以分别配置有相对于ABS交叉的第一和第二单轴各向异性，并响应于预定条带高度成角度。
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公开(公告)号：US09064509B2
公开(公告)日：2015-06-23
申请号：US14022282
申请日：2013-09-10
Applicant: Seagate Technology LLC
Inventor： Dimitar Velikov Dimitrov , Dian Song , Mark Thomas Kief , Amit Sharma
CPC classification number: G11B5/3909 , G11B5/374 , G11B5/3929 , G11B5/398 , G11B2005/3996
Abstract: A data reader may be configured at least with detector and injector stacks that each has a common spin accumulation layer. The detector stack may positioned on an air bearing surface (ABS) while the injector stack is positioned distal the ABS. The injector stack can have a diffusive layer with a larger spin diffusion length than mean free path.
Abstract translation: 数据读取器可以至少配置有每个具有公共自旋累积层的检测器和注射器堆叠。 检测器堆可以位于空气轴承表面（ABS）上，同时喷射器堆叠位于ABS的远侧。 注射器堆叠可以具有比平均自由程更大的自旋扩散长度的扩散层。
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10.发明授权公开(公告)号：US09001474B2
公开(公告)日：2015-04-07
申请号：US14448557
申请日：2014-07-31
Applicant: Seagate Technology LLC
Inventor： Mark William Covington , Dimitar Velikov Dimitrov , Dian Song
CPC classification number: G11B5/127 , G11B5/3932 , G11B5/398 , G11B5/60
Abstract: An apparatus can be generally directed to a magnetic stack having a magnetically free layer positioned on an air bearing surface (ABS). The magnetically free layer can be biased to a predetermined magnetization in various embodiments by a biasing structure that is coupled with the magnetically free layer and positioned distal the ABS.
Abstract translation: 通常可以将装置引导到具有位于空气支承表面（ABS）上的无磁层的磁性堆叠。 在各种实施例中，磁性层可以通过与无磁性层耦合并定位在ABS远侧的偏置结构而被偏置到预定的磁化强度。
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