High Resolution Read-Out with an MR Head in Perpendicular Magnetic Recording

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  • Yamada H.
    Research Institute of Electrical Communication, Tohoku Univ.
  • Muraoka H.
    Research Institute of Electrical Communication, Tohoku Univ.
  • Nakamura Y.
    Research Institute of Electrical Communication, Tohoku Univ.
  • Abe I.
    Computer Peripherals & Components Company, Sony Corporation
  • Yazawa K.
    Computer Peripherals & Components Company, Sony Corporation

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Other Title
  • 垂直磁気記録におけるMRヘッド再生特性の高分解能化
  • スイチョク ジキ キロク ニ オケル MR ヘッド サイセイ トクセイ ノ コ
  • 垂直磁気記録におけるMRヘッド再生特性の高分解能化 (<特集>垂直磁気記録)

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Abstract

Although there have been many attempts to use high-sensitivity magneto-resistive (MR) heads in perpendicular magnetic recording, their readback resolution not high enough, because of their large shield gap length. are We describe MR head that has a high D50 of 270 kFRPI with a narrow shield gap associated with a differential equalizer, The S/N ratio of the equalized signal is also investigated.

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