A new design to suppress recording demagnetization for perpendicular recording

被引：8

作者：

Takeo, A ^{[1
]}

Oikawa, S ^{[1
]}

Hikosaka, T ^{[1
]}

Tanaka, Y ^{[1
]}

机构：

[1] Toshiba Corp, Data Storage Dev Ctr, Tokyo 1988710, Japan

来源：

IEEE TRANSACTIONS ON MAGNETICS | 2000年 / 36卷 / 05期

关键词：

perpendicular magnetic recording; thermal stability; recording demagnetization; CoPtCr-alloy;

D O I：

10.1109/20.908437

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

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. We propose a new recording design to suppress recording demagnetization for perpendicular magnetic recording, using high nucleation field media. 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.

引用

页码：2378 / 2380

页数：3

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