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1. 发明授权

US08248896B1 Method and system for providing an energy assisted magnetic recording disk drive having improved heat dissipation 有权
标题翻译：用于提供具有改善的散热的能量辅助磁记录盘驱动器的方法和系统
公开(公告)号：US08248896B1
公开(公告)日：2012-08-21
申请号：US12822330
申请日：2010-06-24
申请人： Hongxing Yuan , Ge Yi , Shing Lee , Wentao Yan , Zhongyan Wang , Jinshan Li
发明人： Hongxing Yuan , Ge Yi , Shing Lee , Wentao Yan , Zhongyan Wang , Jinshan Li
IPC分类号： G11B11/00
CPC分类号： G11B5/314 , G02B6/12004 , G11B5/3116 , G11B5/3136 , G11B5/6088 , G11B2005/0021
摘要： An energy assisted magnetic recording (EAMR) transducer coupled with a laser is described. The EAMR transducer has an air-bearing surface (ABS) residing near a media during use. The laser provides energy. The transducer includes a waveguide, a near field transducer (NFT) proximate to the ABS, a write pole and at least one coil. The waveguide directs the energy from the laser toward the ABS. The NFT is optically coupled with the waveguide and focuses the energy onto a region of the media. The write pole writes to the region of the media. The write pole has a magnetic portion and a nonmagnetic liner. The magnetic portion has a plurality of sides and a pole thermal conductivity. The nonmagnetic liner is adjacent to at least the sides of the magnetic portion, and has a liner thermal conductivity greater than the pole thermal conductivity. The coil(s) are for energizing the write pole.
摘要翻译：描述了与激光器耦合的能量辅助磁记录（EAMR）传感器。在使用过程中，EAMR传感器具有驻留在介质附近的空气轴承表面（ABS）。激光器提供能量。换能器包括波导，接近ABS的近场换能器（NFT），写极点和至少一个线圈。波导将能量从激光器引向ABS。 NFT与波导光学耦合，并将能量聚焦到介质的一个区域上。写入磁极写入媒体区域。写极具有磁性部分和非磁性衬垫。磁性部分具有多个侧面和极导热性。非磁性衬垫至少与磁性部分的侧面相邻，并且具有大于极导热性的衬里导热系数。线圈用于激励写入极。

2. 发明授权

US08320722B1 Non-linear optical grating 有权
标题翻译：非线性光栅
公开(公告)号：US08320722B1
公开(公告)日：2012-11-27
申请号：US12759491
申请日：2010-04-13
申请人： Hongxing Yuan , Shing Lee , Zhongyan Wang , Jinshan Li
发明人： Hongxing Yuan , Shing Lee , Zhongyan Wang , Jinshan Li
IPC分类号： G02B6/34 , G02F1/295
CPC分类号： G02B5/1861 , G02B6/124
摘要： A method and system for providing an optical grating are described. The optical grating is configured for light of a wavelength. The optical grating includes a top cladding, a core, and bottom cladding. The core resides between the bottom cladding and the top cladding. The core includes a plurality of discrete ridges spaced apart by a nonlinear pitch. The light traverses the top cladding before the core and has a plurality of angles of incidence with the core. The nonlinear pitch of the core is larger for a larger angle of incidence of the plurality of angles of incidence.
摘要翻译：描述了一种用于提供光栅的方法和系统。光栅被配置用于波长的光。光栅包括顶部包层，芯部和底部包层。核心位于底部包层和顶部包层之间。芯部包括由非线性间距间隔开的多个离散脊。光穿过芯之前的顶部包层并且具有多个与芯的入射角。对于多个入射角的较大入射角，芯的非线性间距较大。

3. 发明授权

US08422841B1 Double optical grating 有权
标题翻译：双光栅
公开(公告)号：US08422841B1
公开(公告)日：2013-04-16
申请号：US12779160
申请日：2010-05-13
申请人： Zhong Shi , Hongxing Yuan , Shing Lee , Zhongyan Wang , Jinshan Li
发明人： Zhong Shi , Hongxing Yuan , Shing Lee , Zhongyan Wang , Jinshan Li
IPC分类号： G02B6/34
CPC分类号： G02B6/124 , G02B27/4272
摘要： A method and system for providing an optical grating are described. The optical grating is configured for light of a wavelength. The optical grating includes a top cladding, a first plurality of discrete ridges forming a first grating, a core, a second plurality of discrete ridges forming a second grating, and a bottom cladding. The first plurality of discrete ridges are spaced apart by a first pitch. The second plurality of discrete ridges are spaced apart by a second pitch. The core has a top side adjacent to at least a portion of the top cladding and a bottom side. The bottom cladding is adjacent to at least a portion of the bottom side of the core. The second grating resides between the bottom cladding and the core.
摘要翻译：描述了一种用于提供光栅的方法和系统。光栅被配置用于波长的光。光栅包括顶部包层，形成第一光栅的第一多个离散脊，芯，形成第二光栅的第二多个离散脊和底部包层。第一多个离散脊部间隔开第一间距。第二多个离散脊间隔开第二间距。芯具有与顶部包层的至少一部分相邻的顶侧和底侧。底部包层与芯的底侧的至少一部分相邻。第二个光栅位于底部包层和芯之间。

4. 发明授权

US08532450B1 Optical grating and method of manufacture 有权
标题翻译：光栅及其制造方法
公开(公告)号：US08532450B1
公开(公告)日：2013-09-10
申请号：US12645491
申请日：2009-12-23
申请人： Zhongyan Wang , Wei Gao , Ruolin Li , HongXing Yuan , Jinshan Li
发明人： Zhongyan Wang , Wei Gao , Ruolin Li , HongXing Yuan , Jinshan Li
IPC分类号： G02F1/295
CPC分类号： G02B5/1857
摘要： A method and system for providing an optical grating are described. The optical grating is configured for light of a wavelength and includes a first optically transparent layer, a stop layer on the first optically transparent layer, and a second optically transparent layer on the stop layer. The first optically transparent layer is continuous and includes a material. The second optically transparent layer also includes the material. The second optically transparent layer also includes a plurality of discrete ridges spaced apart by a pitch. The stop layer is configured to be invisible to the light.
摘要翻译：描述了一种用于提供光栅的方法和系统。光栅被配置成用于波长的光，并且包括第一光学透明层，第一光学透明层上的停止层和停止层上的第二光学透明层。第一光学透明层是连续的并且包括材料。第二光学透明层还包括材料。第二光学透明层还包括由间距间隔开的多个离散脊。停止层被配置为对光不可见。

5. 发明授权

US08570844B1 Absorption enhanced media for energy assisted magnetic recording 有权
标题翻译：用于能量辅助磁记录的吸收增强介质
公开(公告)号：US08570844B1
公开(公告)日：2013-10-29
申请号：US13019095
申请日：2011-02-01
申请人： HongXing Yuan , Shing Lee , Zhong Shi , Jinshan Li
发明人： HongXing Yuan , Shing Lee , Zhong Shi , Jinshan Li
IPC分类号： G11B11/00
CPC分类号： G11B5/64 , G11B5/72 , G11B5/7325 , G11B2005/0021
摘要： A magnetic recording media is disclosed. The media comprises a substrate, a recording layer disposed over the substrate, and a metallic layer disposed between the recording layer and the substrate. The recording layer is configured to receive an electromagnetic radiation, absorb a first portion of the electromagnetic radiation, and transmit a second portion of the electromagnetic radiation. The metallic layer comprises a non-magnetic metal and configured to reflect at least some of the second portion of the electromagnetic radiation towards the recording layer.
摘要翻译：公开了一种磁记录介质。介质包括衬底，设置在衬底上的记录层和设置在记录层和衬底之间的金属层。记录层被配置为接收电磁辐射，吸收电磁辐射的第一部分，并传输电磁辐射的第二部分。金属层包括非磁性金属并且被配置为将电磁辐射的第二部分中的至少一些朝向记录层反射。

6. 发明授权

US08456964B1 Energy assisted magnetic recording head having a reflector for improving efficiency of the light beam 有权
标题翻译：能量辅助磁记录头具有用于提高光束效率的反射器
公开(公告)号：US08456964B1
公开(公告)日：2013-06-04
申请号：US12947085
申请日：2010-11-16
申请人： Hongxing Yuan , Shing Lee , Zhong Shi , Jinshan Li , Ut Tran
发明人： Hongxing Yuan , Shing Lee , Zhong Shi , Jinshan Li , Ut Tran
IPC分类号： G11B11/00
CPC分类号： G11B5/314 , G11B5/6088 , G11B2005/0021
摘要： A method and system for providing an EAMR transducer is described. The EAMR transducer is coupled with a laser for providing energy and has an ABS that resides near a media during use. The EAMR transducer includes a write pole, coil(s) that energize the pole, a near field transducer (NFT) proximate to the ABS, a waveguide, and a reflector. The write pole has a back gap region and writes to a region of the media. The NFT focuses the energy onto the media. The waveguide directs the energy from the laser toward the NFT at an incident angle with respect to the ABS. A first portion of the energy reflects off of the ABS at a reflected angle. The reflector receives the first portion of the energy from the ABS and reflects a second portion of the energy toward the ABS. The NFT resides between the waveguide and the reflector.
摘要翻译：描述了一种用于提供EAMR换能器的方法和系统。 EAMR传感器与用于提供能量的激光器耦合，并且在使用期间具有驻留在介质附近的ABS。 EAMR传感器包括一个写入极，对极点通电的线圈，靠近ABS的近场传感器（NFT），波导和反射器。写极具有背隙区域并写入介质的区域。 NFT将能量集中在媒体上。波导将来自激光器的能量以相对于ABS的入射角向NFT引导。能量的第一部分以反射角反射离开ABS。反射器从ABS接收能量的第一部分并将能量的第二部分反射向ABS。 NFT位于波导和反射器之间。

7. 发明申请

US20110294398A1 METHOD AND SYSTEM FOR PROVIDING AN ELECTRONIC LAPPING GUIDE CORRESPONDING TO A NEAR-FIELD TRANSDUCER OF AN ENERGY ASSISTED MAGNETIC RECORDING TRANSDUCER 有权
标题翻译：用于提供与能量辅助磁记录传感器的近场传感器相关的电子引导线的方法和系统
公开(公告)号：US20110294398A1
公开(公告)日：2011-12-01
申请号：US12789813
申请日：2010-05-28
申请人： Yufeng Hu , Zhongyan Wang , Jinshan Li
发明人： Yufeng Hu , Zhongyan Wang , Jinshan Li
IPC分类号： B24B51/00
CPC分类号： G11B13/04 , B24B37/013 , G11B5/314 , G11B5/3169 , G11B2005/001 , G11B2005/0021 , Y10T29/49041 , Y10T29/49043 , Y10T29/49044 , Y10T29/49046 , Y10T29/49048 , Y10T29/49052
摘要： A method and system for fabricating transducer having an air-bearing surface (ABS) is described. The method and system include providing at least one near-field transducer (NFT) film and providing an electronic lapping guide (ELG) film substantially coplanar with a portion of the at least one NFT film. The method and system also include defining a disk portion of an NFT from the portion of the at least one NFT film and at least one ELG from the ELG film. The disk portion corresponds to a critical dimension of the NFT from an ABS location. The method and system also include lapping the at least one transducer. The lapping is terminated based on a signal from the ELG.
摘要翻译：描述了一种用于制造具有空气轴承表面（ABS）的换能器的方法和系统。该方法和系统包括提供至少一个近场换能器（NFT）膜并提供与所述至少一个NFT膜的一部分基本共面的电子研磨导向器（ELG）膜。该方法和系统还包括从至少一个NFT膜的部分和来自ELG膜的至少一个ELG限定NFT的盘部分。盘部分对应于来自ABS位置的NFT的临界尺寸。该方法和系统还包括研磨至少一个换能器。基于ELG的信号终止研磨。

8. 发明授权

US08375565B2 Method for providing an electronic lapping guide corresponding to a near-field transducer of an energy assisted magnetic recording transducer 有权
标题翻译：提供对应于能量辅助磁记录传感器的近场换能器的电子研磨导轨的方法
公开(公告)号：US08375565B2
公开(公告)日：2013-02-19
申请号：US12789813
申请日：2010-05-28
申请人： Yufeng Hu , Zhongyan Wang , Jinshan Li
发明人： Yufeng Hu , Zhongyan Wang , Jinshan Li
IPC分类号： G11B5/127 , H04R31/00
CPC分类号： G11B13/04 , B24B37/013 , G11B5/314 , G11B5/3169 , G11B2005/001 , G11B2005/0021 , Y10T29/49041 , Y10T29/49043 , Y10T29/49044 , Y10T29/49046 , Y10T29/49048 , Y10T29/49052
摘要： A method fabricates a transducer having an air-bearing surface (ABS). The method includes providing at least one near-field transducer (NFT) film and providing an electronic lapping guide (ELG) film substantially coplanar with a portion of the at least one NFT film. The method also includes defining a disk portion of an NFT from the portion of the at least one NFT film and at least one ELG from the ELG film. The disk portion corresponds to a critical dimension of the NFT from an ABS location. The method also includes lapping the at least one transducer. The lapping is terminated based on a signal from the ELG.
摘要翻译：一种制造具有空气轴承表面（ABS）的换能器的方法。该方法包括提供至少一个近场换能器（NFT）膜，并提供与所述至少一个NFT膜的一部分基本共面的电子研磨导向器（ELG）膜。该方法还包括从至少一个NFT膜的部分和来自ELG膜的至少一个ELG限定NFT的盘部分。盘部分对应于来自ABS位置的NFT的临界尺寸。该方法还包括研磨至少一个换能器。基于ELG的信号终止研磨。

9. 发明授权

US07646569B2 Pinned layer in magnetoresistive sensor 有权
标题翻译：磁阻传感器中的固定层
公开(公告)号：US07646569B2
公开(公告)日：2010-01-12
申请号：US11458896
申请日：2006-07-20
申请人： Jinshan Li , Kouichi Nishioka , Satoshi Shigematsu , Alexander M. Zeltser
发明人： Jinshan Li , Kouichi Nishioka , Satoshi Shigematsu , Alexander M. Zeltser
IPC分类号： G11B5/127
CPC分类号： G11B5/39
摘要： A method for manufacturing a magnetic read sensor and a magnetic read sensor are provided. In one embodiment of the invention, the method includes providing a seed layer disposed over a substrate of the magnetic read sensor, providing a free layer disposed over a seed layer and providing a spacer layer disposed over the free layer. The method further includes providing a pinned layer disposed over the spacer layer. In one embodiment, the pinned layer includes cobalt and iron, wherein the concentration of iron in the pinned layer is between 33 and 37 atomic percent (at. %). The method further includes providing a pinning layer disposed over the pinned layer, wherein the pinning layer is in contact with the pinned layer.
摘要翻译：提供了一种用于制造磁读取传感器和磁读取传感器的方法。在本发明的一个实施例中，该方法包括提供设置在磁读取传感器的衬底上的种子层，提供设置在种子层上的自由层并提供设置在自由层之上的间隔层。该方法还包括提供设置在间隔层上方的钉扎层。在一个实施例中，钉扎层包括钴和铁，其中钉扎层中的铁的浓度为33至37原子百分比（原子％）。该方法还包括提供设置在钉扎层上方的钉扎层，其中钉扎层与钉扎层接触。

10. 发明授权

US07538988B2 Method and apparatus having improved magnetic read head sensors 失效
标题翻译：具有改进的磁读头传感器的方法和装置
公开(公告)号：US07538988B2
公开(公告)日：2009-05-26
申请号：US10955396
申请日：2004-09-30
申请人： Jinshan Li , Alexander M. Zeltser
发明人： Jinshan Li , Alexander M. Zeltser
IPC分类号： G11B5/127
CPC分类号： B82Y25/00 , B82Y10/00 , G11B5/3929 , G11B2005/3996
摘要： A method and apparatus for an improved magnetic read sensor having synthetic or AP pinned layers with high resistance and high magnetoelastic anisotropy is disclosed. A pinned layer includes a cobalt-iron ternary alloy, where a third constituent of the cobalt-iron ternary alloy layer is selected for increasing the resistance and magnetoelastic anisotropy of the cobalt-iron ternary alloy layer.
摘要翻译：公开了一种具有具有高电阻和高磁弹性各向异性的合成或AP钉扎层的改进磁读取传感器的方法和装置。钉扎层包括钴 - 铁三元合金，其中选择钴 - 铁三元合金层的第三成分用于提高钴 - 铁三元合金层的电阻和磁致弹性各向异性。

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