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In this article, the effect of slider air-bearing pressure on the saturated water vapor pressure is explained. The adsorbed water film thickness on slider and disk surfaces as a function of relative humidity at different temperatures is calculated. The dynamic adsorption/desorption equilibrium between water vapor and the adsorbed water films on slider and disk surfaces is discussed. The effects of...
A new trailing pad structure with partially-etched pad is proposed. The effect of the pad shape, trench depth and width was numerically investigated and presented. The thermal protrusion efficiency of the new ABS design which has adopted the new trailing pad structure is also presented.
To sustain an ultra-low and stable flying height (FH) is crucial for achieving high areal densities in magnetic recording. Recently, a new method called thermal flying height control (TFC) has been introduced to the latest generations of disk drives for precise control of slider-disk spacing. It is noted that the TFC technique is able to eliminate almost all static FH loss, but is unable to circumvent...
We present an advanced sub-ambient Femto slider that is less sensitive to altitude change. The air bearing design strategy, analysis and optimization are presented. All air bearing simulations were carried out using data storage institute in-house-developed air bearing simulation software.
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