Ampere wire write head with confined magnetic fields
    3.
    发明授权
    Ampere wire write head with confined magnetic fields 有权
    安培有线写磁头与限制磁场

    公开(公告)号:US07212367B2

    公开(公告)日:2007-05-01

    申请号:US10869444

    申请日:2004-06-16

    IPC分类号: G11B5/02 G11B5/187

    CPC分类号: G11B5/315 G11B5/127 G11B5/187

    摘要: A magnetic recording head comprises a write pole having a tip adjacent to an air bearing surface of the recording head, a return pole magnetically coupled to the write pole, a conductor positioned adjacent to an edge of the write pole at the air bearing surface, a first conductive heat sink connected to the conductor, and a second conductive heat sink connected to the conductor, wherein at least a portion of each of the first and second conductive heat sinks is positioned adjacent to the air bearing surface and wherein each of the first and second conductive heat sinks includes a structure for augmenting confinement of a magnetic write field adjacent to the write pole. Magnetic storage devices that include the magnetic recording head are also included.

    摘要翻译: 磁记录头包括具有与记录头的空气轴承表面相邻的尖端的写入磁极,磁极耦合到写入极的返回磁极,与空气轴承表面上的写入极的边缘相邻定位的导体, 连接到所述导体的第一导电散热器和连接到所述导体的第二导电散热器,其中所述第一和第二导电散热器中的每一个的至少一部分被定位成邻近所述空气轴承表面,并且其中, 第二导电散热器包括用于增加与写入极相邻的磁写入场的约束的结构。 还包括包括磁记录头的磁存储装置。

    Perpendicular write head with high magnetization pole material and method of fabricating the write head
    4.
    发明授权
    Perpendicular write head with high magnetization pole material and method of fabricating the write head 有权
    具有高磁化极材料的垂直写头和制造写头的方法

    公开(公告)号:US06687085B2

    公开(公告)日:2004-02-03

    申请号:US10037932

    申请日:2002-01-04

    IPC分类号: G11B5147

    摘要: A write head comprises a yoke including a top pole and a bottom pole, the top pole including a layer of insulating material, a layer of a first magnetic material positioned on a surface of the layer of insulating material, the first magnetic material having a first end positioned adjacent to an air bearing surface of the write pole, and a layer of a second magnetic material positioned on the surface of the layer of insulating material, the second magnetic material having a lower magnetic moment than the first magnetic material and being positioned to conduct magnetic flux between the return pole and the layer of first magnetic material. The method of constructing the write head and a disc drive including the write head are also included.

    摘要翻译: 一个写头包括一个包括顶极和一个底极的磁轭,顶极包括一层绝缘材料,第一个磁性材料层位于绝缘材料层的一个表面上,第一个磁性材料有一个第一个 并且位于与所述写入极的空气支承表面相邻的端部以及位于所述绝缘材料层的表面上的第二磁性材料层,所述第二磁性材料具有比所述第一磁性材料更低的磁矩并且定位成 在返回极和第一磁性材料层之间传导磁通。 还包括构成写入头的方法和包括写入头的盘驱动器。