Magnetic recording performance of 'Bit Printing method' on PMR media and its extendibility to the higher areal density

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  • 垂直磁気記録媒体へのBit Printing磁気転写法の磁気記録特性と高密度ビットへの適応性(媒体および一般)
  • 垂直磁気記録媒体へのBit Printing磁気転写法の磁気記録特性と高密度ビットへの適応性
  • スイチョク ジキ キロク バイタイ エノ Bit Printing ジキ テンシャホウ ノ ジキ キロク トクセイ ト コウミツド ビット エノ テキオウセイ

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Abstract

Servo pattern printing which supports bulk magnetic transfer of the servo pattern is expected to be the ultimate solution for PMR media servo track writing method. We examined 'Bit printing (BP)' characteristic of the short bit length recording and its extendibility for PMR media. The waveform of BP at 70 nm bit was equivalent to the head writing in its shape and amplitude. The spacing loss factor of BP was small enough, and the optimum performance was obtained with the Ha close to media He. There was no significant concern to increase Ha on BP, and BP was suitable for the future short bit length pattern.

Journal

  • ITE Technical Report

    ITE Technical Report 32.28 (0), 1-4, 2008

    The Institute of Image Information and Television Engineers

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