RECORDING CHARACTERISTICS OF BaM THIN FILMS.

被引：0
|
作者：
Morisako, A. [1 ]
Matsumoto, M. [1 ]
Naoe, M. [1 ]
机构：
[1] Shinshu Univ, Nagano, Jpn, Shinshu Univ, Nagano, Jpn
来源：
IEEE translation journal on magnetics in Japan | 1985年 / TJMJ-1卷 / 09期
关键词：
FERRITE DEVICES - Thin Films - MAGNETIZATION - Thermal Effects;
D O I：
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中图分类号：
学科分类号：
摘要：
Evaluations are presented of recording density when using ring heads with relatively wide apertures on thin films of different c-axis orientation used for disk media, as are evaluations of the thermal stability of Ba-ferrite (BaM) thin films. The possibility of obtaining a high recording density thin film with small c-axis orientation was clearly established. Changes in residual magnetization with respect to temperature variation were measured, revealing that when the film was left to stand for 15 h at 250 degree C, approximately 10% thermal demagnetization occurred, and the film was almost completely demagnetized at 375 degree C.
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页码：1157 / 1158
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