Read-Write Performance of CoPtCrO Perpendicular Media with High Nucleation Field

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Other Title
  • 高Hn設計CoPtCrO垂直メディアの記録特性
  • 高Hn設計C0PtCrO垂直メディアの記録特性
  • コウHn セッケイ C0PtCrO スイチョク メディア ノ キロク トクセイ

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Abstract

Perpendicular recording is expected as high areal density recording system because of strong thermal stability potential and highly efficient writing process. However, large demagnetizing fields in uniformly magnetized areas cause recording demagnetization and signal decrease with time. High nucleation field media can suppress these demagnetization problems. CoPtCrO perpendicular medium with high nucleation field successfully demonstrated the low noise performance. It shows less recording demagnetization and strong thermal stability. CoPtCrO perpendicular medium exhibited good BER performance with ring head recording.

Journal

  • ITE Technical Report

    ITE Technical Report 24.32 (0), 1-6, 2000

    The Institute of Image Information and Television Engineers

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