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A numerical method is presented to study the air-flow pattern and particle trajectory in the head–disk interface (HDI) in this paper. It first solves the generalized steady-state Reynolds equation with slip boundary conditions to get the slider attitude. Then, it solves the reduced Navier–Stokes equation to get the air flow velocity distribution in the HDI. The motion equations of particles are solved...
The flying stability of hard disk drives (HDDs) during operational shock has become increasingly more important as the flying height of the head/disk interface has been reduced to the sub-10 nm flying height regime. In this paper, the dynamic response of a femto slider due to operational shock is investigated. The air bearing is modeled with six linear springs using the ldquodiscrete stiffness methodrdquo.
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