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198 条记录 (耗时 0.03 秒)

    Anti-ferromagnetically coupled granular-continuous magnetic recording media
    64.
    发明申请
    Anti-ferromagnetically coupled granular-continuous magnetic recording media 有权
    反铁磁耦合颗粒连续磁记录介质

    公开(公告)号：US20050214585A1

    公开(公告)日：2005-09-29

    申请号：US10806114

    申请日：2004-03-23

    申请人： Shaoping Li ,  Kaizhong Gao ,  Lei Wang ,  Wenzhong Zhu

    发明人： Shaoping Li ,  Kaizhong Gao ,  Lei Wang ,  Wenzhong Zhu

    IPC分类号： G11B5/64 ,  G11B5/66 ,  G11B5/72 ,  G11B5/725 ,  G11B5/73

    CPC分类号： G11B5/732 ,  G11B5/653 ,  G11B5/656 ,  G11B5/66 ,  G11B5/667 ,  G11B5/725

    摘要： An anti-ferromagnetically coupled, granular-continuous (“AFC-GC”) magnetic recording medium having increased thermal stability, writability, and signal-to-medium noise ratio (“SMNR”), comprising a layer stack including, in sequence from a surface of a non-magnetic substrate: (a) a continuous ferromagnetic stabilizing layer; (b) a non-magnetic spacer layer; and (c) a granular ferromagnetic recording layer; wherein: (i) the continuous ferromagnetic stabilizing and granular ferromagnetic recording layers are anti-ferromagnetically coupled across the non-magnetic spacer layer, the amount of anti-ferromagnetic coupling preselected to ensure magnetic relaxation after writing; (ii) lateral interactions in the granular, ferromagnetic recording layer are substantially completely eliminated or suppressed; and (iii) the exchange coupling strength in the continuous, ferromagnetic stabilizing layer is preselected to be slightly larger than the strength of the anti-ferromagnetic coupling provided by the non-magnetic spacer layer to thereby enhance thermal stability of the recording bits.

    摘要翻译： 具有增加的热稳定性，可写性和信噪比（“SMNR”）的反铁磁耦合的粒状连续（“AFC-GC”）磁记录介质，包括层叠，其包括从 非磁性基板的表面：（a）连续的铁磁稳定层; （b）非磁性间隔层; 和（c）粒状铁磁记录层; 其中：（i）连续的铁磁稳定和粒状铁磁记录层跨过非磁性间隔层进行反铁磁耦合，预先选择反铁磁性耦合量以确保写入后的磁弛豫; （ii）颗粒状铁磁记录层中的横向相互作用基本上完全消除或抑制; 并且（iii）连续的铁磁稳定层中的交换耦合强度被预先选择为略大于由非磁性间隔层提供的反铁磁耦合的强度，从而提高记录位的热稳定性。

    Magnetic read head with a read function feature
    67.
    发明授权
    Magnetic read head with a read function feature 有权
    具有读功能功能的磁头读头

    公开(公告)号：US08896972B2

    公开(公告)日：2014-11-25

    申请号：US12702045

    申请日：2010-02-08

    申请人： Kaizhong Gao ,  Xilin Peng ,  Zhongyan Wang ,  Yonghua Chen

    发明人： Kaizhong Gao ,  Xilin Peng ,  Zhongyan Wang ,  Yonghua Chen

    IPC分类号： G11B5/33 ,  G11B5/127 ,  G11B5/39 ,  H01L43/08

    CPC分类号： G11B5/398 ,  G11B5/3912 ,  H01L43/08

    摘要： In some examples, a system comprising a data storage member including a magnetic storage medium, the magnetic storage medium having a plurality of magnetic bit domains aligned on at least one data track, where a transition boundary between respective magnetic bit domains defines a transition curvature. The system may further comprise a magnetic read head including a first shield layer, a second shield layer, and a read sensor stack provided proximate to the first and second shield layers, where the magnetic read head senses a magnetic field of each of the plurality of magnetic bit domains according to a read playback sensitivity function. In some examples, the shield layers and read sensor stack may be configured to provide a reader playback sensitivity function that substantially corresponds to the shape of the respective magnetic bit domains.

    摘要翻译： 在一些示例中，包括包括磁存储介质的数据存储构件的系统，所述磁存储介质具有在至少一个数据轨道上对准的多个磁位域，其中各个磁位域之间的过渡边界限定了转变曲率。 该系统还可以包括磁读取头，其包括靠近第一和第二屏蔽层设置的第一屏蔽层，第二屏蔽层和读取传感器堆叠，其中磁性读取头感测多个 根据读取播放灵敏度功能的磁性位域。 在一些示例中，屏蔽层和读取传感器堆叠可以被配置为提供基本对应于各个磁性位域的形状的读取器重放灵敏度功能。

    Direct waveguide light delivery to NFT for heat assisted magnetic recording
    69.
    发明授权
    Direct waveguide light delivery to NFT for heat assisted magnetic recording 有权
    直接波导光传输到NFT进行热辅助磁记录

    公开(公告)号：US08649245B2

    公开(公告)日：2014-02-11

    申请号：US12749102

    申请日：2010-03-29

    申请人： Arkadi Goulakov ,  Kaizhong Gao ,  Xuhui Jin

    发明人： Arkadi Goulakov ,  Kaizhong Gao ,  Xuhui Jin

    IPC分类号： G11B11/00

    CPC分类号： G11B5/3116 ,  B82Y20/00 ,  G02B6/1226 ,  G11B5/314 ,  G11B5/3163 ,  G11B5/6088 ,  G11B2005/0021

    摘要： A magnetic recording head comprises a write pole having a pole tip adjacent to an air bearing surface, a return pole, an optical near field transducer positioned adjacent the pole tip and an air bearing surface for exposing a portion of a magnetic storage medium to high energy radiation. The energy is directly provided to the near field transducer by a ridge waveguide with tapered coupling elements, by a two dimensional straight or curved waveguide with a beveled end with a metal/dielectric coating for delivering energy to the near field transducer, or by a curved waveguide. The waveguide with tapered coupling elements or with beveled end can be fabricated by means of conventional wafer processing.

    摘要翻译： 磁记录头包括具有与空气轴承表面相邻的极端部的写极，返回极，邻近极尖定位的光学近场传感器和用于将磁存储介质的一部分暴露于高能量的空气轴承表面 辐射。 通过具有锥形耦合元件的脊形波导将能量直接提供给近场传感器，通过具有带有用于将能量传递到近场换能器的金属/电介质涂层的倾斜端的二维直线或弯曲波导，或通过弯曲 波导。 具有锥形耦合元件或具有倾斜端的波导可以通过常规晶片处理来制造。