Improvement of Ba ferrite perpendicular magnetic recording media with Pt underlayers

Bibliographic Information

Other Title
  • Pt下地層を用いたBaフェライト垂直磁気記録媒体の特性改善
  • Pt シタジソウ オ モチイタ Ba フェライト スイチョク ジキ キロク バイタイ ノ トクセイ カイゼン

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Description

To improve read/write characteristics of Ba ferrite perpendicular magnetic recording media with Pt underlayers, Ta was added in Pt underlayers. The grain size of Ba ferrite layers were decreased by using Pt-Ta underlayers. H_<C&bottom;> H_<C//> and K_&bottom; of Ba ferrite layers increased by Ta addition. D_<50> of 180 kFRPI was attained in BaM/Pt-Ta disk. The read/write characteristics of Ba ferrite disks were improved by using Pt-Ta underlayers.

Journal

  • ITE Technical Report

    ITE Technical Report 23.78 (0), 9-14, 1999

    The Institute of Image Information and Television Engineers

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