200 KFRPI DATA RECORDING USING A NOVEL BI-LAYERED HEAD IN PERPENDICULAR MAGNETIC RECORDING

被引：6
|
作者：
MURAOKA, H
NISHIDA, Y
NAKAMURA, Y
机构：
[1] Research Institute of Electrical Communication, Tohoku University, Sendai
来源：
IEEE TRANSACTIONS ON MAGNETICS | 1993年 / 29卷 / 06期
关键词：
D O I：
10.1109/20.281394
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：
Linearity in perpendicular magnetic recording was studied. An asymmetrical transition-shift occurs depending on the polarity of the pre-recorded magnetization of a medium, which deteriorates linearity. A new single pole head with two main poles which we cab the bi-layered head improved linearity by avoiding the interference of magnetic Field From the magnetized medium with the head Field, As a result, 200 kFRPI recording was demonstrated to be practical with the partial response technique.
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页码：4074 / 4076
页数：3
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