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    • 1. 发明授权
    • Method and system for enhancing optical efficiency for an EAMR head
    • 用于提高EAMR头的光学效率的方法和系统
    • US08456966B1
    • 2013-06-04
    • US12971754
    • 2010-12-17
    • Zhong ShiShing LeeHongxing YuanRabee M. Ikkawi
    • Zhong ShiShing LeeHongxing YuanRabee M. Ikkawi
    • G11B11/00
    • G11B5/314G11B5/6088G11B2005/0021
    • A method and system for providing an EAMR transducer and a waveguide used therein are described. The EAMR transducer is coupled with a laser that provides energy. The EAMR transducer also has an ABS that resides in proximity to a media during use. The EAMR transducer includes a waveguide, a write pole to write to a region of the media, coil(s) for energizing the write pole, and a near field transducer (NFT) proximate to the ABS for focusing the energy onto the media. The waveguide includes a mode shift compensator, first and second cladding layers, and a core between the cladding layers. The core directs energy from the laser toward the ABS and has a core index of refraction. The core is also between the mode shift compensator and the NFT. The mode shift compensator has a mode shift compensator index of refraction less than the core index of refraction.
    • 描述了一种用于提供EAMR换能器和其中使用的波导的方法和系统。 EAMR传感器与提供能量的激光器耦合。 EAMR传感器还具有在使用过程中靠近介质的ABS。 EAMR传感器包括波导,写入介质区域的写入极,用于激励写入极的线圈以及靠近ABS的近场换能器(NFT),用于将能量聚焦到介质上。 波导包括模移位补偿器,第一和第二覆层以及覆层之间的芯。 核心将能量从激光器引向ABS并具有核心的折射率。 核心也在模式移位补偿器和NFT之间。 模式移位补偿器具有模式偏移补偿器折射率小于核心折射率。
    • 5. 发明授权
    • Energy assisted magnetic recording head having a reflector for improving efficiency of the light beam
    • 能量辅助磁记录头具有用于提高光束效率的反射器
    • US08456964B1
    • 2013-06-04
    • US12947085
    • 2010-11-16
    • Hongxing YuanShing LeeZhong ShiJinshan LiUt Tran
    • Hongxing YuanShing LeeZhong ShiJinshan LiUt Tran
    • G11B11/00
    • G11B5/314G11B5/6088G11B2005/0021
    • 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.
    • 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。
    • 6. 发明授权
    • Double optical grating
    • 双光栅
    • US08422841B1
    • 2013-04-16
    • US12779160
    • 2010-05-13
    • Zhong ShiHongxing YuanShing LeeZhongyan WangJinshan Li
    • Zhong ShiHongxing YuanShing LeeZhongyan WangJinshan Li
    • G02B6/34
    • G02B6/124G02B27/4272
    • 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.
    • 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。
    • 8. 发明授权
    • EAMR head having improved optical coupling efficiency
    • EAMR头具有改善的光耦合效率
    • US08325569B1
    • 2012-12-04
    • US13169720
    • 2011-06-27
    • Zhong ShiZhongyan WangShing LeeHongxing Yuan
    • Zhong ShiZhongyan WangShing LeeHongxing Yuan
    • G11B11/00
    • G11B5/6088G11B5/314G11B2005/0021
    • A method and system provide an EAMR transducer having an air-bearing surface (ABS) that resides near a media during use. The EAMR transducer includes a write pole, coil(s), a near field transducer (NFT), a waveguide, and a reflective grating. The write pole writes to a region of the media. The coil(s) energize the write pole. The NFT is proximate to the ABS and focuses the energy onto the media. The waveguide is configured to direct 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 reflective grating receives the first portion of the energy at the reflected angle from the ABS and reflects a second portion of the energy toward the ABS. The NFT resides between at least part of the waveguide and the reflective grating.
    • 一种方法和系统提供具有在使用期间驻留在介质附近的空气轴承表面(ABS)的EAMR换能器。 EAMR传感器包括写极,线圈,近场换能器(NFT),波导和反射光栅。 写入磁极写入媒体的一个区域。 线圈使写入极点通电。 NFT靠近ABS,将能量聚焦在媒体上。 波导被配置为以相对于ABS的入射角将来自激光器的能量引向NFT。 能量的第一部分以反射角反射离开ABS。 反射光栅从ABS接收以反射角度的能量的第一部分,并将能量的第二部分反射向ABS。 NFT位于波导和反射光栅的至少一部分之间。