Investigations of Light Contact and Lube-Surfing State With Electrical Current
Magnetics, IEEE Transactions （2014）
摘要
It was reported that a thermal flying height control (TFC) slider often exhibits a strong bouncing vibration at the touchdown power (TDP), which is suddenly suppressed when the TFC power is increased beyond the TDP. This phenomenon is inferred to be the lube-surfing state during which the slider's dynamics are damped out by the lubricant, and its attitude adjusted so as to achieve a second stable flying state with a tiny bulge surfing in the lubricant. In this paper, the measured current with respect to a full view of the second stable flying state during touchdown, lube-surfing, and takeoff processes of the specific TFC slider will be characterized for in-depth understanding of light lubricant contact.
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关键词
lubricants,magnetic recording,vibrations,tdp,tfc slider,bouncing vibration,electrical current,light lubricant contact,lube-surfing state,second stable flying state,slider dynamics,thermal flying height control,tiny bulge surfing,touchdown power,electrical/tribo-current,flying height,head-disk interface,height control (tfc) slider,slider-lubricant contact,surfing recording,thermal flying
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