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    • 1. 发明授权
    • Method for fabricating a magnetic recording transducer using a split seed layer
    • 使用分裂种子层制造磁记录换能器的方法
    • US08341826B1
    • 2013-01-01
    • US12758469
    • 2010-04-12
    • Hai JiangYunhe HuangJinwen WangYun-Fei LiYing Hong
    • Hai JiangYunhe HuangJinwen WangYun-Fei LiYing Hong
    • G11B5/127H04R31/00
    • G11B5/3169G11B5/1278G11B5/3116G11B5/3163
    • A method and system for fabricating magnetic transducer are described.The method and system include providing a main pole having a bottom, a top wider than the bottom, and a top bevel. A nonmagnetic gap covering the main pole is provided. A portion of the nonmagnetic gap resides on the top of the main pole. A first seed layer is provided. At least a portion of the first seed layer covers the portion of the nonmagnetic gap on top of the main pole. A portion of the nonmagnetic gap on the magnetic recording transducer is removed after the first seed layer is provided. A second seed layer is provided after the portion of the nonmagnetic gap is removed. The second seed layer covers at least the portion of the first seed layer. A wrap-around shield layer is provided on the second seed layer.
    • 描述了用于制造磁换能器的方法和系统。 该方法和系统包括提供具有底部,比底部宽的顶部和顶部斜面的主极。 提供覆盖主极的非磁性间隙。 非磁性间隙的一部分位于主极的顶部。 提供第一种子层。 第一种子层的至少一部分覆盖主极顶部的非磁性间隙的部分。 在提供第一种子层之后,去除磁记录传感器上的非磁性间隙的一部分。 在去除非磁性间隙的部分之后提供第二种子层。 第二种子层覆盖至少第一种子层的部分。 在第二籽晶层上设置环绕屏蔽层。
    • 2. 发明授权
    • Damascene write poles produced via full film plating
    • 大马士革通过全电镀制作电极
    • US08486285B2
    • 2013-07-16
    • US12544998
    • 2009-08-20
    • Ronghui ZhouMing JiangXiaohai XiangJinwen WangGuanghong LuoYun-Fei Li
    • Ronghui ZhouMing JiangXiaohai XiangJinwen WangGuanghong LuoYun-Fei Li
    • B44C1/22
    • G11B5/855Y10T29/49048
    • A method for forming a write pole comprises forming a stop layer over a substrate layer of a wafer, the stop layer having an opening above a damascene trench in the substrate layer, and forming a buffer layer over the stop layer, the buffer layer having an opening above the opening of the stop layer. The method further comprises plating a layer of magnetic material over the wafer, disposing a first sacrificial material over a region of the magnetic material above the damascene trench, performing a milling or etching operation over the wafer to remove the magnetic material not covered by the first sacrificial material and to remove the first sacrificial material, disposing a second sacrificial material over the wafer, and performing a polishing operation over the wafer to remove the region of the magnetic material above the damascene trench, the second sacrificial material, and the buffer layer.
    • 用于形成写极的方法包括在晶片的衬底层上形成阻挡层,所述阻挡层在衬底层中具有在镶嵌沟槽上方的开口,以及在停止层上形成缓冲层,所述缓冲层具有 在停止层的开口上方开口。 该方法还包括在晶片上镀覆一层磁性材料,在金刚石沟槽上方的磁性材料的区域上设置第一牺牲材料,在晶片上进行研磨或蚀刻操作,以去除第一 牺牲材料并且去除第一牺牲材料,在晶片上设置第二牺牲材料,以及在晶片上执行抛光操作以去除镶嵌沟槽,第二牺牲材料和缓冲层之上的磁性材料的区域。
    • 4. 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。