GIGABIT DENSITY RECORDING USING DUAL-ELEMENT MR INDUCTIVE HEADS ON THIN-FILM DISKS

被引:106
作者
TSANG, C [1 ]
CHEN, MM [1 ]
YOGI, T [1 ]
JU, K [1 ]
机构
[1] IBM CORP,DIV GEN PROD,SAN JOSE,CA 95120
关键词
D O I
10.1109/20.104493
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
Inductive-write and MR-read dual-element heads of very narrow trackwidths and narrow gaps have been designed, fabricated and recording tested on thin film media of high coercivity and squareness. Results show excellent writeability at modest write currents of 50mA, large readback amplitudes with good signal-to-noise performance, very high linear-density resolution up to 5000fc/mm(-6db density), and trackwidths close to the design dimensions. These results show that such head-disk systems are capable of recording operations at the target areal density of 1 Gb/in2. © 1990 IEEE
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页码:1689 / 1693
页数:5
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