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    • 35. 发明授权
    • Tunable pole trim processes for fabricating trapezoidal perpendicular magnetic recording (PMR) write poles
    • 用于制造梯形垂直磁记录(PMR)写入极的可调极修剪工艺
    • US08171618B1
    • 2012-05-08
    • US12486706
    • 2009-06-17
    • Lei WangGe Yi
    • Lei WangGe Yi
    • G11B5/127H04R31/00
    • G11B5/1278G11B5/3116G11B5/3163Y10T29/49043Y10T29/49044Y10T29/49046Y10T29/49048Y10T29/49052
    • A method of forming a write pole for a magnetic recording device is provided. The method comprises providing a layer of magnetic material covered with a secondary hard mask layer and a patterned primary hard mask, milling at a first milling angle to transfer a pattern from the patterned primary hard mask to the secondary hard mask, and milling at a second milling angle to transfer the pattern from the secondary hard mask to the layer of magnetic material to form the write pole. The second milling angle is greater than the first milling angle. The method further comprises milling at a third milling angle to adjust a side wall angle of the write pole to about a desired side wall angle, and milling at a fourth milling angle to reduce a track width of the write pole to a desired track width.
    • 提供一种形成用于磁记录装置的写极的方法。 该方法包括提供覆盖有第二硬掩模层和图案化的主硬掩模的磁性材料层,以第一研磨角铣削以将图案从图案化的主硬掩模转移到第二硬掩模,并在第二次铣削 铣削角度将图案从第二硬掩模转移到磁性材料层以形成写柱。 第二铣削角度大于第一铣削角度。 该方法还包括以第三研磨角度铣削以将写入极的侧壁角度调整到大约所需的侧壁角度,并且以第四铣削角铣削以将写入极的轨道宽度减小到期望的轨道宽度。
    • 38. 发明申请
    • Spin polarization enhancement artificial magnet
    • 旋转极化增强人造磁铁
    • US20050128651A1
    • 2005-06-16
    • US10737579
    • 2003-12-16
    • Ge YiRobert LambertonSusan MurdochThomas McLaughlinWilliam O'Kane
    • Ge YiRobert LambertonSusan MurdochThomas McLaughlinWilliam O'Kane
    • G11B5/127G11B5/33G11B5/39
    • B82Y10/00G11B5/39
    • A spin polarization enhancement artificial (SPEA) magnet comprises combinations of positive spin asymmetry interfaces and inverse spin asymmetry interfaces arranged antiferromagnetically such that current passed through the SPEA magnet has enhanced spin polarization. The SPEA magnet additionally may combine bulk material properties of electron scattering to either supplement or replace the interfacial spin differentiation. A basic functional unit of the SPEA magnet includes two ferromagnetic layers separated by two spacer layers. Each spacer forms an interface such that adjacent ferromagnetic layers produce different spin symmetry. Antiferromagnetic arrangement of adjacent ferromagnetic layers coordinates the different spin symmetries such that a single spin state is selected and also provides additional stabilization to the SPEA magnet.
    • 自旋极化增强人造(SPEA)磁体包括正自旋不对称界面和反向自旋非对称界面的组合,其反铁磁性布置,使得通过SPEA磁体的电流具有增强的自旋极化。 SPEA磁体另外可以将散射材料的电子散射特性与补充或替代界面旋转分化结合起来。 SPEA磁体的基本功能单元包括由两个间隔层隔开的两个铁磁层。 每个间隔物形成界面,使得相邻的铁磁层产生不同的自旋对称性。 相邻铁磁层的反铁磁布置协调不同的自旋对称性,使得选择单个自旋状态并且还为SPEA磁体提供额外的稳定性。
    • 39. 发明授权
    • Wireless near field communication system
    • 无线近场通信系统
    • US09432800B1
    • 2016-08-30
    • US14680069
    • 2015-04-07
    • Ge YiJinwen WangDujiang WanShaoping Li
    • Ge YiJinwen WangDujiang WanShaoping Li
    • H04B5/00H04W4/00
    • H04W4/008H04W4/80
    • A wireless magnetic field communication system working within the range of less than 1.5 m without induction induced interference during listening mode is proposed. The system comprises at least a transmitter and a receiver. Several novel transmitter designs using either active-connection-control solenoid or spin-orbit torque (SOT) based patterned thin film element(s) are proposed. The system has intrinsic high data security level due to its limited working range, as well as large data transfer rate. The system is suitable to establish a temporary off-the grid magnetic field communication network. It also provides a new data communication approach among modules instead of data cable in industry equipment. The system can be used as a standalone or built-in system for communication between devices or modularized components of a system.
    • 提出了一种在小于1.5米的范围内工作的无线磁场通信系统,在听觉模式下没有感应干扰。 该系统至少包括发射机和接收机。 提出了使用有源连接控制螺线管或基于旋转轨道转矩(SOT)的图案化薄膜元件的几种新颖的发射机设计。 该系统由于其工作范围有限,数据传输速率大,因此具有内在的高数据安全级别。 该系统适合建立一个临时离网电磁场通信网络。 它还在模块之间提供了一种新的数据通信方式,而不是工业设备中的数据电缆。 该系统可用作独立或内置系统,用于系统的设备或模块化组件之间的通信。