Simulation Study of Bit Patterned Media at Areal Density of 5 Tbit/in^2

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  • HONDA Naoki
    Faculty of Engineering, Tohoku Institute of Technology
  • YAMAKAWA Kiyoshi
    Research Institute of Advanced Technology (AIT), Akita Prefectural R & D Center
  • OUCHI Kazuhiro
    Research Institute of Advanced Technology (AIT), Akita Prefectural R & D Center

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Other Title
  • ビットパターン媒体での5 Tbit/in^2記録のシミュレーション検討(記録システムおよび一般)
  • ビットパターン媒体での5Tbit/in[2]記録のシミュレーション検討
  • ビット パターン バイタイ デノ 5Tbit in2 キロク ノ シミュレーション ケントウ

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Abstract

Recording simulation at 5 Tbit/in^2 was studied by simulation for bit patterned media with inclined anisotropy which could decrease the effect of magnetostatic interaction between dots. Recording with a shielded planar head revealed relatively large write shift margin of around 5 nm in down- and cross-track directions even at an areal density of 5 Tbit/in^2. The simulation indicated that present system can have tolerance of around 4 % in H_k dispersion and 4 degrees in orientation dispersion. Proposed system would be one of promising techniques for realizing areal density of 5 Tbit/in^2.

Journal

  • ITE Technical Report

    ITE Technical Report 32.23 (0), 1-6, 2008

    The Institute of Image Information and Television Engineers

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