Optical system for data storage devices
    5.
    发明申请
    Optical system for data storage devices 有权
    光学系统用于数据存储设备

    公开(公告)号:US20060256694A1

    公开(公告)日:2006-11-16

    申请号:US11125556

    申请日:2005-05-10

    IPC分类号: G11B7/00

    摘要: An apparatus comprises a moveable arm for positioning an optical transducer adjacent to a storage medium, a light source, and an elliptical or ellipsoid shaped mirror mounted for reflecting light from the light source to the optical transducer. The elliptical mirror can be positioned on an ellipse, the moveable arm can pivot about an axis passing through a first focus of the ellipse, and the light source can direct light from a point on a second axis passing through a second focus of the ellipse to the elliptical mirror. The light source can comprise a fixed laser and a moveable mirror mounted to pivot about the second axis or a moveable laser mounted to pivot about the second axis. A method performed by the apparatus is also provided.

    摘要翻译: 一种装置包括用于定位邻近存储介质的光学传感器的可移动臂,光源以及安装成将来自光源的光反射到光学换能器的椭圆形或椭圆形形状的镜。 椭圆镜可以定位在椭圆上,可移动臂可以围绕穿过椭圆的第一焦点的轴线枢转,并且光源可以将来自穿过椭圆的第二焦点的第二轴上的点的光引导到 椭圆镜。 光源可以包括固定激光器和安装成围绕第二轴线枢转的可移动反射镜或安装成围绕第二轴线枢转的可移动激光器。 还提供了由该装置执行的方法。

    Light delivery technique for heat assisted magnetic recording head
    6.
    发明申请
    Light delivery technique for heat assisted magnetic recording head 失效
    热辅助磁记录头的光传输技术

    公开(公告)号:US20050265139A1

    公开(公告)日:2005-12-01

    申请号:US10854564

    申请日:2004-05-26

    摘要: A suspension arm for an optical transducer comprises a load beam, a slider coupled to the load beam by a gimbal assembly and including an optical transducer positioned adjacent to an end of the slider facing a pivot point of the suspension arm, and an optical fiber for transmitting light toward the transducer, wherein an end of the optical fiber is positioned adjacent to the transducer such that light emitted from the fiber passes directly to the transducer. Disc drives that include the suspension arm, and a method of transmitting light to an optical transducer, are also included.

    摘要翻译: 用于光学换能器的悬架臂包括负载梁,通过万向节组件耦合到负载梁的滑块,并且包括邻近所述滑块的面向所述悬架臂的枢转点的端部定位的光学换能器,以及用于 向所述换能器传送光,其中所述光纤的端部邻近所述换能器定位,使得从所述光纤发射的光直接通过所述换能器。 还包括包括悬架臂的盘驱动器以及将光传送到光学换能器的方法。

    Near-field optical transducers for thermal assisted magnetic and optical data storage
    8.
    发明申请
    Near-field optical transducers for thermal assisted magnetic and optical data storage 有权
    用于热辅助磁和光数据存储的近场光学传感器

    公开(公告)号:US20050078565A1

    公开(公告)日:2005-04-14

    申请号:US10683385

    申请日:2003-10-10

    摘要: An optical transducer comprises means for directing an electromagnetic wave to a focal region and a metallic nano-structure having a longitudinal axis substantially parallel to an electric field of the electromagnetic wave, the metallic nano-structure being positioned outside of the means for directing an electromagnetic wave, wherein the electromagnetic wave produces surface plasmons on the metallic nano-structure. A cladding material having a refractive index differing from the refractive index of the means for directing an electromagnetic wave can be positioned adjacent to a surface of the metallic nano-structure. Magneto-optical recording heads that include the transducers and disc drives that include the magneto-optical recording heads are also included.

    摘要翻译: 光学换能器包括用于将电磁波引导到焦点区域的装置和具有基本上平行于电磁波的电场的纵轴的金属纳米结构,金属纳米结构位于用于引导电磁波的装置之外 波,其中电磁波在金属纳米结构上产生表面等离子体。 折射率不同于用于引导电磁波的装置的折射率的包层材料可以位于金属纳米结构的表面附近。 还包括包括磁光记录头的换能器和磁盘驱动器的磁光记录头。

    Efficient waveguide coupler for data recording transducer
    9.
    发明申请
    Efficient waveguide coupler for data recording transducer 有权
    用于数据记录传感器的高效波导耦合器

    公开(公告)号:US20050122850A1

    公开(公告)日:2005-06-09

    申请号:US10730557

    申请日:2003-12-08

    IPC分类号: G11B5/00 G11B5/127 G11B11/00

    摘要: A data recording head having at least two waveguides that are energy-coupled. The first waveguide is end fire coupled to a radiant energy source of a first spot size, and the second waveguide outputs radiant energy of a second spot size onto a recording medium. The width of the first waveguide is larger than the width of the second waveguide, or the first spot size is larger than the second spot size. The recording also includes a cladding layer and/or a diffraction grating for mode index matching between the first and second waveguides. The second waveguide includes a solid immersion optical element to focus the output radiant energy. In one embodiment, the data recording head includes a write element to effect magnetic data recording, and the first and second waveguides are configured relative to the write element and supported relative to the recording medium to effect heat assisted magnetic recording.

    摘要翻译: 具有至少两个能量耦合的波导的数据记录头。 第一波导是与第一光斑尺寸的辐射能源耦合的端部火焰,并且第二波导将第二光斑尺寸的辐射能输出到记录介质上。 第一波导的宽度大于第二波导的宽度,或者第一光斑尺寸大于第二光斑尺寸。 记录还包括用于第一和第二波导之间的模式折射率匹配的包层和/或衍射光栅。 第二波导包括用于聚焦输出辐射能的固体浸没光学元件。 在一个实施例中,数据记录头包括用于实现磁数据记录的写元件,并且第一和第二波导相对于写入元件配置并相对于记录介质被支持以实现热辅助磁记录。