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Investigation of disk damage caused during load/unload using a surface reflectance analyzer

机译:使用表面反射分析仪调查在加载/卸载过程中造成的磁盘损坏

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摘要

Wear of the carbon layer of a magnetic recording disk is investigated during load/unload using a surface reflectance analyzer (SRA). Wear is determined as a function of the number of the load/unload (L/UL) cycles, the vertical head speed, the disk rotational speed, and the air bearing design. Two types of subambient pressure sliders are used in the experiments, the difference between the two designs being related to the size and position of the subambient pressure region. The load/unload behavior of the two slider types is determined numerically using a finite element air bearing simulator.
机译:使用表面反射率分析仪(SRA)在装载/卸载过程中研究了磁记录盘碳层的磨损。磨损取决于加载/卸载(L / UL)循环次数,垂直磁头速度,磁盘转速和空气轴承设计的函数。实验中使用了两种类型的环境压力滑块,这两种设计之间的差异与环境压力区域的大小和位置有关。使用有限元空气轴承模拟器以数值方式确定两种滑块类型的加载/卸载行为。

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