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The touch-down test is widely used to calibrate the flying-height (FH) of sliders by gently contacting the disk with the thermal protrusion of thermal FH control (TFC) sliders. However, the dynamic instability of TFC slider during the touch-down process may significantly affect the contact detection and the FH calibration, and therefore, hinders further reduction of the FH of TFC sliders. This paper...
The touch-down test is widely used to calibrate the flying-height (FH) of sliders by gently contacting the disk with the thermal protrusion of thermal FH control (TFC) sliders. However, the dynamic instability of TFC slider during the touch-down may significantly affect the contact detection and FH calibration. This paper highlights the nonlinear dynamics perspectives on the instability of TFC sliders...
The work done by various forces acting on the air bearing slider are analyzed and calculated, and their contributions to the flying stabilities of a sub-5 nm air bearing slider are evaluated quantitatively. It is found that the air bearing force plays an important role on the slider's flying stabilities, while the intermolecular force and the friction force tend to excite the slider bouncing.
This paper investigates the influence of the grooves of discrete track recording media on a small pad of a femto-sized slider based on DSI developed simulator ABSolution. The simulation study shows that the total force on the pad will decrease as groove depth increases, and this relation can be well predicted by using average thin film theory to approximate the exact discrete track distribution on...
The unstructured triangular mesh, together with the finite volume method, the multi-grid technology and the pressure adaptation scheme as well as the probability model and the 9D model, is employed to study the static and dynamic flying characteristics of a slider with complex rail shape. Good numerical convergence is observed based on the algorithms, which makes the simulations of deep head/disk...
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