Imaging of media lubricant spacing contributions by readback signal analysis

Eaton, R.; Baldwinson, Michael

doi:10.1109/20.560141

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A 2 Nm Lubricant "Spokes"1

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2001

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“…2 possibility of the flying altitude adjustment over the areas of different lubricant film thicknesses. In fact, based on a separate study we have verified that the head does adjust its flying altitude to maintain a constant distance between the slider and the surface of lubricant film [5], [6]. The same trend holds for a reduced speed at 8.8 m/s (3000 rpm).…”

Section: A 2 Nm Lubricant "Spokes"mentioning

confidence: 77%

Effect of non-uniform lubricant distribution and de-wetting on head-disk dynamics

Kuo

Tang

et al. 2001

IEEE Trans. Magn.

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In this work, the effect of long-wavelength nonuniform lube distribution and lube de-wetting on head-disk dynamics is investigated by using disks with controlled within-disk nonuniformity in lubricant film thickness. Complex slider responses were observed, which were sensitive to lubricant film thickness and the extent of de-wetting. The effect of slider-assisted lubricant redistribution was also observed.

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Section: A 2 Nm Lubricant "Spokes"mentioning

confidence: 77%