Spatial effects at dynamic switching in thin-film recording media

被引：2
作者：
Richter, HJ
Thomson, T
Yen, ET
机构：
[1] Seagate Recording Media
来源：
IEEE TRANSACTIONS ON MAGNETICS | 2000年 / 36卷 / 05期
关键词：
dc noise; dynamic coercivity; superparamagnetic effects; thermal activation; thin film media;
D O I：
10.1109/20.908467
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：
Measurements of coercivity as a function of time have been performed using a nondestructive spin-stand technique. Two disks were measured using nine different test conditions, including various writing gap lengths and head to medium velocities. No spatial effects were found, but it was noticed that the results depended on subtleties of the measurement procedure.
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页码：2465 / 2467
页数：3
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