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    • 7. 发明申请
    • System and method for patterning a master disk for nanoimprinting patterned magnetic recording disks
    • 用于图案化用于纳米压印图案化磁记录盘的母盘的系统和方法
    • US20070069429A1
    • 2007-03-29
    • US11241284
    • 2005-09-29
    • Thomas AlbrechtDennis McKeanGurinder SinghHenry Yang
    • Thomas AlbrechtDennis McKeanGurinder SinghHenry Yang
    • B29C35/08B29C67/00G02B1/12
    • G11B5/855
    • A system and method for patterning a master disk or “stamper” to be used for nanoimprinting magnetic recording disks uses an air-bearing slider that supports an aperture structure within the optical near-field of a resist layer on a rotating master disk substrate. Laser pulses directed to the input side of the aperture are output to the resist layer. The aperture structure includes a metal film reflective to the laser radiation with the aperture formed in it. The aperture has a size less than the wavelength of the incident laser radiation and is maintained by the air-bearing slider near the resist layer to within the radiation wavelength. The timing of the laser pulses is controlled to form a pattern of exposed regions in the resist layer, with this pattern ultimately resulting in the desired pattern of data islands and nondata islands in the magnetic recording disks when they are nanoimprinted by the master disk.
    • 用于图形化用于纳米压印磁记录盘的母盘或“压模”的系统和方法使用支撑旋转母盘衬底上的抗蚀剂层的光学近场内的孔结构的空气轴承滑块。 指向孔径输入侧的激光脉冲输出到抗蚀剂层。 孔结构包括反射激光辐射的金属膜,其中形成有孔。 孔径的尺寸小于入射激光辐射的波长,并且由抗蚀剂层附近的空气轴承滑块维持在辐射波长内。 控制激光脉冲的定时以形成抗蚀剂层中的暴露区域的图案,当这些图案被母盘纳米压印时,该图案最终导致磁记录盘中的数据岛和非数据岛的期望图案。
    • 8. 发明申请
    • Magnetic recording disk with patterned nondata islands of alternating polarity
    • 具有交替极性的图案化非磁性岛的磁记录盘
    • US20060280975A1
    • 2006-12-14
    • US11148918
    • 2005-06-09
    • Thomas AlbrechtZvonimir Bandic
    • Thomas AlbrechtZvonimir Bandic
    • G11B5/09B32B3/02G11B5/706
    • B82Y10/00G11B5/1278G11B5/59655G11B5/743G11B5/855
    • A magnetic recording disk has patterned nondata regions that are used for read/write head positioning and data synchronization. The nondata regions contain nondata islands of magnetizable material separated by nonmagnetic spaces with the nondata islands having alternating magnetization polarity in the along-the-track direction. In each nondata region, every other nondata island in the along-the track direction has the same magnetization direction, with adjacent nondata islands having antiparallel magnetization directions. The disk may be either a horizontal magnetic recording disk, wherein the antiparallel magnetization directions are in the plane of the recording layer and parallel to the along-the-track direction, or a perpendicular magnetic recording disk, wherein the antiparallel the magnetization directions are “into” and “out of” the recording layer.
    • 磁记录盘具有用于读/写头定位和数据同步的非图形区域。 非磁性区域包含由非磁性空间分离的可磁化材料的非磁性岛,其中沿着磁道方向具有交变磁化极性的非磁性岛。 在每个非数据区域中,沿轨道方向的每隔一个非数据岛具有相同的磁化方向,相邻的非数据岛具有反平行的磁化方向。 盘可以是水平磁记录盘,其中反平行磁化方向在记录层的平面中并且平行于轨道方向,或垂直磁记录盘,其中反并联的磁化方向为“ 进入“和”离开“记录层。
    • 10. 发明申请
    • Writing and reading of data in probe-based data storage devices
    • 在基于探测的数据存储设备中写入和读取数据
    • US20060072420A1
    • 2006-04-06
    • US10945224
    • 2004-09-20
    • Thomas AlbrechtTheodore AntonakopoulosGiovanni CherubiniAjay DholakiaEvangelos EleftheriouCharalampos Pozidis
    • Thomas AlbrechtTheodore AntonakopoulosGiovanni CherubiniAjay DholakiaEvangelos EleftheriouCharalampos Pozidis
    • G11B7/00
    • B82Y10/00G11B9/14G11B9/1436
    • Methods and apparatus are provided for controlling writing and reading of data in an array of A storage fields of a probe-based data storage device in which data is written to and read from the array of storage fields by a corresponding array of probes. One method uses the concept of sub-arrays to provide variable-rate read/write operation. Input data blocks are received for writing to the A-field array, each input data block being writable in A/k0 storage fields where k0 is an integer ≧2. For successive groups of k0 blocks, the k0 blocks are written to respective sub-arrays, each of A/k0 storage fields, of the storage field array by selectively writing at one of a series of rates, ranging from 1 block at a time to k0 blocks at a time, in dependence on a desired data write-rate. The blocks can also be read from the sub-arrays by selectively reading at one of a series of rates, ranging from 1 sub-array at a time to k0 sub-arrays at a time, in dependence on a desired data read-rate.
    • 提供了用于控制在基于探针的数据存储设备的A个存储区域阵列中的数据的写入和读取的方法和装置,其中通过相应的探针阵列将数据写入存储区阵列并从存储区域读取数据。 一种方法使用子阵列的概念来提供可变速率的读/写操作。 接收用于写入A字阵列的输入数据块,每个输入数据块可在A / k 0存储区域中写入,其中k <0>是整数> = 2 。 对于k个块的连续组,将k个0个块写入相应的子阵列,每个A / k 0个存储场, 根据期望的数据写入速率,通过以一系列速率中的一个选择性地写入,每次从一个块到每个块块一次块。 也可以通过选择性地以一系列速率中的一种读取从子阵列中读出的块,从一个子阵列一次一个子阵列到一个子阵列,依次 以期望的数据读取速率。