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    Method using epitaxial transfer to integrate HAMR photonic integrated circuit (PIC) into recording head wafer
    1.
    发明授权
    Method using epitaxial transfer to integrate HAMR photonic integrated circuit (PIC) into recording head wafer 有权
    使用外延转移的方法将HAMR光子集成电路（PIC）集成到记录头晶片中

    公开(公告)号：US09105286B2

    公开(公告)日：2015-08-11

    申请号：US13954620

    申请日：2013-07-30

    申请人： HGST Netherlands B.V.

    发明人： Thomas Dudley Boone, Jr.

    IPC分类号： G11B11/00 ,  G11B5/31 ,  G11B5/60 ,  G11B5/00

    CPC分类号： G11B5/84 ,  G11B5/314 ,  G11B5/3163 ,  G11B5/6088 ,  G11B2005/0021

    摘要： Embodiments of the present invention generally relate to a method for forming a HAMR device having a photonic integrated circuit that includes an optical detector, an optical emitter, and an optical element distinct from the optical detector and the optical emitter, where the elements of the photonic integrated circuit are aligned with a near field transducer. The method includes forming one or more layers on a substrate, bonding the layers to a partially fabricated recording head, removing the substrate using epitaxial lift-off, and forming the optical elements on the partially fabricated recording head.

    摘要翻译： 本发明的实施方案一般涉及一种用于形成具有光子集成电路的HAMR器件的方法，该光子集成电路包括光学检测器，光发射器和与光学检测器和光发射器不同的光学元件，其中光子 集成电路与近场传感器对准。 该方法包括在衬底上形成一个或多个层，将层结合到部分制造的记录头，使用外延剥离去除衬底，以及在部分制造的记录头上形成光学元件。

    Integrated compound DBR laser for HAMR applications
    2.
    发明授权
    Integrated compound DBR laser for HAMR applications 有权
    用于HAMR应用的集成复合DBR激光器

    公开(公告)号：US09129634B1

    公开(公告)日：2015-09-08

    申请号：US14307451

    申请日：2014-06-17

    申请人： HGST Netherlands B.V.

    发明人： Thomas Dudley Boone, Jr. ,  Juraj Topolancik

    IPC分类号： G11B5/127 ,  G11B5/60 ,  G11B5/00

    CPC分类号： G11B5/4866 ,  G11B5/314 ,  G11B5/6088 ,  G11B2005/0021

    摘要： Embodiments disclosed herein generally relate to a magnetic write head including a media facing surface and a surface opposite the media facing surface. The magnetic write head further includes a reflector extending from the surface opposite the media facing surface toward the media facing surface. A semiconductor laser diode gain region protrudes out of the surface opposite the media facing surface, and the reflector helps optimizing the optical energy generated in the semiconductor laser diode gain region to be a single mode over a large current and temperature range.

    摘要翻译： 本文公开的实施例通常涉及包括介质面向表面和与介质相对表面相对的表面的磁性写入头。 磁性写入头还包括从与介质相对的表面相对的表面朝向与介质相对的表面延伸的反射器。 半导体激光二极管增益区域从与介质相对表面相反的表面伸出，并且反射器有助于在半导体激光二极管增益区域中产生的光能在大电流和温度范围内优化成单模。

    Submount-integrated photodetector for monitoring a laser for a heat-assisted magnetic recording head
    5.
    发明授权
    Submount-integrated photodetector for monitoring a laser for a heat-assisted magnetic recording head 有权
    用于监测用于热辅助磁记录头的激光器的底座集成光电检测器

    公开(公告)号：US09245553B2

    公开(公告)日：2016-01-26

    申请号：US14089589

    申请日：2013-11-25

    申请人： HGST Netherlands B.V.

    发明人： Thomas Dudley Boone, Jr. ,  Takuya Matsumoto ,  Shen Ren

    IPC分类号： G11B11/00 ,  G11B5/48 ,  G11B5/31 ,  G11B5/00 ,  G11B7/1384

    CPC分类号： G11B5/4866 ,  G11B5/105 ,  G11B5/314 ,  G11B5/455 ,  G11B5/6088 ,  G11B7/1384 ,  G11B2005/001 ,  G11B2005/0021

    摘要： In a heat-assisted magnetic recording hard disk drive, a laser module includes a submount-integrated photodetector configured to receive optical energy from a laser by way of a head slider. The submount may be formed of a semiconductor material such as a crystalline silicon material, and the photodetector may be a photodiode that is integrally formed with the submount. A HAMR head slider may comprise a feedback waveguide configured to guide optical energy from the laser through the slider to a feedback photodiode at an interface of the submount and the slider, to detect the optical energy transmitted through the slider to the slider air bearing surface (ABS). A back facet photodiode may also be integrally formed with the submount and configured to receive back facet optical energy to detect the optical energy generated by the laser.

    摘要翻译： 在热辅助磁记录硬盘驱动器中，激光模块包括配置成通过磁头滑块从激光器接收光能的基座集成光电检测器。 基座可以由诸如晶体硅材料的半导体材料形成，并且光电检测器可以是与底座一体形成的光电二极管。 HAMR磁头滑动器可以包括反馈波导，其被配置为将来自激光器的光能通过滑块引导到在底座和滑块的界面处的反馈光电二极管，以检测通过滑块传递到滑动器空气轴承表面的光能（ ABS）。 背面光电二极管也可以与底座一体地形成，并且被配置为接收背面光能以检测由激光产生的光能。