公开(公告)号：US07846564B2

公开(公告)日：2010-12-07

申请号：US11235208

申请日：2005-09-27

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

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

IPC分类号： G11B5/65

CPC分类号： G11B5/667 ,  B82Y10/00 ,  G11B5/64 ,  G11B5/65 ,  G11B5/656 ,  G11B5/66 ,  G11B5/743 ,  G11B5/746 ,  G11B5/82 ,  G11B2005/0029 ,  H01F41/0206 ,  Y10S428/90 ,  Y10T29/4902 ,  Y10T29/49032 ,  Y10T29/49067 ,  Y10T428/12458 ,  Y10T428/12465 ,  Y10T428/12931 ,  Y10T428/26 ,  Y10T428/265

摘要： A perpendicular magnetic recording medium adapted for high recording density and high data recording rate comprises a non-magnetic substrate having at least one surface with a layer stack formed thereon, the layer stack including a perpendicular recording layer containing a plurality of columnar-shaped magnetic grains extending perpendicularly to the substrate surface for a length, with a first end distal the surface and a second end proximal the surface, wherein each of the magnetic grains has: (1) a gradient of perpendicular magnetic anisotropy field Hk extending along its length between the first end and second ends; and (2) predetermined local exchange coupling strengths along the length.

摘要翻译： 适用于高记录密度和高数据记录速率的垂直磁记录介质包括具有至少一个具有在其上形成层叠层的表面的非磁性基板，该层堆叠包括垂直记录层，该垂直记录层包含多个柱状磁性颗粒 垂直于衬底表面延伸一段长度，第一端远离表面，接近表面的第二端，其中每个磁性颗粒具有：（1）垂直磁各向异性场Hk沿其长度延伸的梯度 第一端和第二端; 和（2）沿着长度的预定局部交换耦合强度。

公开(公告)号：US20100214684A1

公开(公告)日：2010-08-26

申请号：US12390592

申请日：2009-02-23

申请人： Kaizhong Gao ,  Michael Allen Seigler ,  Xuhui Jin ,  Ganping Ju ,  Bin Lu

发明人： Kaizhong Gao ,  Michael Allen Seigler ,  Xuhui Jin ,  Ganping Ju ,  Bin Lu

IPC分类号： G11B5/02

CPC分类号： G11B5/314 ,  B82Y10/00 ,  G11B5/743 ,  G11B5/855 ,  G11B2005/001 ,  G11B2005/0021

摘要： An apparatus includes a recording media including a substrate, a plurality of tracks of magnetic material on the substrate, and a non-magnetic material between the tracks; a recording head having an air bearing surface positioned adjacent to the recording media, and including a magnetic pole, an optical transducer, and a near-field transducer, wherein the near-field transducer directs electromagnetic radiation onto tracks to heat portions of the tracks and a magnetic field from the magnetic pole is used to create magnetic transitions in the heated portions of the tracks; and a plasmonic material positioned adjacent to the magnetic material to increase coupling between the electromagnetic radiation and the magnetic material.

摘要翻译： 一种设备包括：记录介质，包括基板，多个基板上的磁性材料轨迹，以及轨道之间的非磁性材料; 记录头，其具有邻近记录介质定位的空气轴承表面，并且包括磁极，光学换能器和近场换能器，其中近场换能器将电磁辐射引导到轨道上以加热轨道的部分， 来自磁极的磁场用于在轨道的加热部分中产生磁转变; 以及与磁性材料相邻定位的等离子体元件，以增加电磁辐射与磁性材料之间的耦合。

公开(公告)号：US20100110758A1

公开(公告)日：2010-05-06

申请号：US12262262

申请日：2008-10-31

申请人： Shaoping Li ,  Inisk Jin ,  Zheng Gao ,  Eileen Yan ,  Kaizhong Gao ,  Haiwen Xi ,  Song Xue

发明人： Shaoping Li ,  Inisk Jin ,  Zheng Gao ,  Eileen Yan ,  Kaizhong Gao ,  Haiwen Xi ,  Song Xue

IPC分类号： G11C11/00 ,  H01L47/00

CPC分类号： G11C13/0007 ,  G11C2213/31 ,  G11C2213/32 ,  G11C2213/34 ,  G11C2213/52 ,  G11C2213/72 ,  H01L27/2436 ,  H01L45/04 ,  H01L45/122 ,  H01L45/146 ,  H01L45/147 ,  H01L45/1666

摘要： A resistive random access memory (RRAM) cell that includes a first electrode having a lower portion, a continuous side portion and an upper portion, the lower portion and the continuous side portion having an outer surface and an inner surface; a resistive layer having a lower portion, a continuous side portion and an upper portion, the lower portion and the continuous side portion having an outer surface and an inner surface; and a second electrode having a lower portion, an upper portion and an outer surface; wherein the outer surface of the resistive layer directly contacts the inner surface of the first electrode.

公开(公告)号：US20100034011A1

公开(公告)日：2010-02-11

申请号：US12412644

申请日：2009-03-27

申请人： Haiwen Xi ,  Kaizhong Gao ,  Song Xue

发明人： Haiwen Xi ,  Kaizhong Gao ,  Song Xue

IPC分类号： G11C11/00 ,  H01L43/02

CPC分类号： G11C11/5685 ,  G11C13/0007 ,  G11C13/003 ,  G11C2213/31 ,  G11C2213/32 ,  G11C2213/76 ,  H01L45/04 ,  H01L45/1206 ,  H01L45/122 ,  H01L45/146 ,  H01L45/147

摘要： Embodiments of the invention provide a multi-terminal resistance device with first and second electrodes, a shared third electrode, and a resistance layer providing first and second current paths between the shared third electrode and the first and second electrodes, respectively. A current state of the device may be programmed by applying one or more electrical signals along the first and/or second current paths to change a resistance of the device. In some embodiments, applying an electrical signal may switch a junction resistance of the first and/or second electrodes and the resistance layer between two or more resistance values. The device may include a shared fourth electrode to provide extra programming capability. In some embodiments, the device may be used to store a data state, to determine a count of multiple electrical signals, or to perform a logic operation between two electrical signals.

摘要翻译： 本发明的实施例提供了具有第一和第二电极，共享第三电极和在共享的第三电极和第一和第二电极之间分别提供第一和第二电流路径的电阻层的多端电阻装置。 可以通过沿着第一和/或第二电流路径施加一个或多个电信号来改变器件的电阻来编程器件的当前状态。 在一些实施例中，施加电信号可以将第一和/或第二电极和电阻层的结电阻切换到两个或更多个电阻值之间。 该设备可以包括共享的第四电极以提供额外的编程能力。 在一些实施例中，该设备可以用于存储数据状态，以确定多个电信号的计数，或者在两个电信号之间执行逻辑运算。

公开(公告)号：US20100033872A1

公开(公告)日：2010-02-11

申请号：US12496505

申请日：2009-07-01

申请人： Haiwen Xi ,  Kaizhong Gao ,  Song S. Xue

发明人： Haiwen Xi ,  Kaizhong Gao ,  Song S. Xue

IPC分类号： G11B5/82 ,  B05D5/12

CPC分类号： G11B5/82 ,  B82Y10/00 ,  G11B5/743 ,  G11B5/746 ,  G11B5/855

摘要： A bit patterned media (BPM) includes many magnetic dots arranged in tracks on a substrate. The magnetic dots each have a hard magnetic core, a soft magnetic cladding surrounding the core and a thin non-magnetic layer that separates the hard magnetic core from the soft magnetic ring. The soft magnetic cladding stabilizes the magnetization at the edges of the hard magnetic core to improve the signal to noise ratio of the magnetic dots. The soft magnetic rings also narrow the magnetic field of the dots which reduces the space requirements and allows more dots to be placed on the substrate.

摘要翻译： 位图案介质（BPM）包括布置在基板上的轨道中的许多磁点。 磁点各自具有硬磁芯，围绕芯的软磁性包层以及将硬磁芯与软磁环分离的薄的非磁性层。 软磁性包层使硬磁芯的边缘处的磁化稳定，以提高磁点的信噪比。 软磁环还使点的磁场变窄，这减小了空间要求，并允许更多的点放置在基板上。

公开(公告)号：US20090185315A1

公开(公告)日：2009-07-23

申请号：US12017822

申请日：2008-01-22

申请人： Song S. Xue ,  Zheng Gao ,  Shaoping Li ,  Kaizhong Gao ,  Dimitar V. Dimitrov ,  Konstantin Nikolaev ,  Patrick J. Ryan

发明人： Song S. Xue ,  Zheng Gao ,  Shaoping Li ,  Kaizhong Gao ,  Dimitar V. Dimitrov ,  Konstantin Nikolaev ,  Patrick J. Ryan

IPC分类号： G11B5/33

CPC分类号： G11B5/3909 ,  B82Y10/00 ,  B82Y25/00 ,  G11B5/3906 ,  G11B2005/3996

摘要： A magnetic sensor includes a reference layer having a first magnetization direction and a free layer assembly having an effective magnetization direction substantially perpendicular to the first magnetization direction and substantially perpendicular to a plane of each layer of the free layer assembly. A spacer layer is between the reference layer and the free layer, and a signal enhancement layer is exchange coupled to the free layer assembly on a side opposite the spacer layer.

摘要翻译： 磁传感器包括具有第一磁化方向的参考层和具有基本上垂直于第一磁化方向并且基本上垂直于自由层组件的每个层的平面的有效磁化方向的自由层组件。 间隔层位于参考层和自由层之间，信号增强层与隔离层相对的一侧交换耦合到自由层组件。

公开(公告)号：US07436632B2

公开(公告)日：2008-10-14

申请号：US10880879

申请日：2004-06-30

申请人： Shaoping Li ,  Song Xue ,  Kaizhong Gao ,  Patrick Ryan

发明人： Shaoping Li ,  Song Xue ,  Kaizhong Gao ,  Patrick Ryan

IPC分类号： G11B5/39

CPC分类号： G11B5/265 ,  G11B5/127 ,  G11B5/3954 ,  G11B5/3974

摘要： A magnetic sensor for reading information from a magnetic medium. The magnetic sensor includes a bottom electrode and a first sensor disposed above the bottom electrode. The magnetic sensor also includes a middle electrode disposed above the first sensor, a second sensor disposed above the middle electrode and a top electrode disposed above the second sensor. The bottom electrode, the middle electrode and the top electrode are utilized to electrically connect the first sensor and the second sensor in parallel.

摘要翻译： 一种用于从磁性介质读取信息的磁传感器。 磁传感器包括底电极和设置在底电极上方的第一传感器。 磁传感器还包括设置在第一传感器上方的中间电极，设置在中间电极上方的第二传感器和设置在第二传感器上方的顶部电极。 底部电极，中间电极和顶部电极用于并联地电连接第一传感器和第二传感器。

公开(公告)号：US20080225584A1

公开(公告)日：2008-09-18

申请号：US11724740

申请日：2007-03-16

申请人： Kaizhong Gao ,  Haiwen Xi ,  Yiming Shi ,  Song S. Xue ,  Sining Mao

发明人： Kaizhong Gao ,  Haiwen Xi ,  Yiming Shi ,  Song S. Xue ,  Sining Mao

IPC分类号： G11C11/15

CPC分类号： G11C11/1675 ,  G11C11/161 ,  G11C11/1659 ,  G11C11/1673

摘要： The present invention relates to a memory cell including a first reference layer having a first magnetization with a first magnetization direction and a second reference layer having a second magnetization with a second magnetization direction substantially perpendicular to the first magnetization direction. A storage layer is disposed between the first reference layer and second reference layer and has a third magnetization direction about 45° from the first magnetization direction and about 135° from the second magnetization direction when the memory cell is in a first data state, and a fourth magnetization direction opposite the third magnetization direction when the memory cell is in a second data state.

摘要翻译： 本发明涉及包括具有第一磁化方向的第一磁化的第一参考层和具有基本上垂直于第一磁化方向的第二磁化方向的第二磁化的第二参考层的存储单元。 存储层设置在第一参考层和第二参考层之间，并且当存储单元处于第一数据状态时，具有从第一磁化方向大约45°的第三磁化方向和从第二磁化方向开始的大约135°的存储层， 当存储单元处于第二数据状态时与第三磁化方向相反的第四磁化方向。

公开(公告)号：US20080137224A1

公开(公告)日：2008-06-12

申请号：US11634767

申请日：2006-12-06

申请人： Kaizhong Gao ,  Haiwen Xi ,  Yiming Shi ,  Sining Mao ,  Patrick J. Ryan ,  Song S. Xue ,  Shaoping Li

发明人： Kaizhong Gao ,  Haiwen Xi ,  Yiming Shi ,  Sining Mao ,  Patrick J. Ryan ,  Song S. Xue ,  Shaoping Li

IPC分类号： G11B5/02

CPC分类号： G11B5/1278 ,  G11B2005/001

摘要： A magnetic writer includes a write element and an oscillation device disposed adjacent to the write element. The first oscillation device includes a first magnetic layer, a second magnetic layer having a magnetization vector including a component perpendicular to a major plane of the first magnetic layer. The first nonmagnetic layer disposed between the first magnetic layer and the second magnetic layer. The first oscillation device generates a high-frequency oscillation field when a current is directed perpendicular to the major plane of the first magnetic layer.

摘要翻译： 磁性写入器包括写入元件和邻近写入元件设置的振荡器件。 第一振荡装置包括第一磁性层，具有包括垂直于第一磁性层的主平面的分量的磁化矢量的第二磁性层。 设置在第一磁性层和第二磁性层之间的第一非磁性层。 当电流垂直于第一磁性层的主平面时，第一振荡装置产生高频振荡场。

公开(公告)号：US07359161B2

公开(公告)日：2008-04-15

申请号：US10880705

申请日：2004-06-30

申请人： Shaoping Li ,  Song Xue ,  Kaizhong Gao ,  Michael R. Montemorra ,  Patrick Ryan

发明人： Shaoping Li ,  Song Xue ,  Kaizhong Gao ,  Michael R. Montemorra ,  Patrick Ryan

IPC分类号： G11B5/39

CPC分类号： G11B5/3903 ,  G11B2005/0005

摘要： A magnetic sensor is provided. The magnetic sensor includes a magnetoresistive multi-layered portion that has a first resistance region and a second resistance region. At least two contacts are coupled to the magnetoresistive multi-layered portion. A sensing current flows from a first contact of the at least two contacts to a second contact of the at least two contacts via the first resistance region and the second resistance region of the magnetoresistive multi-layered portion. The first resistance region promotes a primary flow of the sensing current in a first direction substantially perpendicular to surface planes of the layers of the magnetoresistive multi-layered portion, and the second resistance region promotes the primary flow of the sensing current in a second direction substantially in parallel to surface planes of the layers of the magnetoresistive multi-layered portion.

摘要翻译： 提供磁传感器。 磁传感器包括具有第一电阻区域和第二电阻区域的磁阻多层部分。 至少两个触点耦合到磁阻多层部分。 感测电流从至少两个触点的第一触点经由第一电阻区域和磁阻多层部分的第二电阻区域流过至少两个触点的第二触点。 所述第一阻抗区域促进所述感测电流在与所述磁阻多层部分的所述层的表面平行的第一方向上的主要流动，并且所述第二电阻区域基本上促进所述感测电流在第二方向上的初级流动 平行于磁阻多层部分的层的表面平面。