3820 スライダヒステリシス挙動におよぼす潤滑膜材料の影響 : フォースカーブ特性との比較(S56 磁気ヘッド浮上・位置決め制御技術,21世紀地球環境革命の機械工学:人・マイクロナノ・エネルギー・環境)

概要

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In order to achieve a magnetic recording density of 1 Tb/in^2, the spacing is expected to be less than 2-3 nm. However, a critical issue in achieving such an ultra-low spacing is the dynamic instability of the head disk interface (HDI).The goal of this research is to clarify the effects of the lubricant materials on slider hysteresis behavior in detail. In this study, the differences in the touchdown and takeoff velocities were monitored by varying the lubricant film materials of the disks. On the other hand, the differences in the force curves by varying the lubricant materials were investigated simultaneously. By comparing the both obtained experimental results, the fundamental mechanism of slider touchdown-takeoff hysterisis instability was studied and discussed.
2008-08-02