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    • 5. 发明申请
    • SYSTEM AND METHOD FOR PATTERNING A MASTER DISK FOR NANOIMPRINTING PATTERNED MAGNETIC RECORDING DISKS
    • 用于绘制图形磁记录盘的主磁盘的系统和方法
    • US20100147797A1
    • 2010-06-17
    • US12711987
    • 2010-02-24
    • Thomas R. AlbrechtDennis R. McKeanGurinder Pal SinghHenry Hung Yang
    • Thomas R. AlbrechtDennis R. McKeanGurinder Pal SinghHenry Hung Yang
    • C23F1/02
    • 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。