... on the ambient pressure at which unstable bouncing vibration starts and stops. We found that the touch-down and take-off pressure hysteresis decreased as the pitch static angle increased even though the flying height at the trailing edge decreased slightly. From detailed measurement of the slider dynamics...

.... 0742-4787 10.1115/1.1398290 , 124 , pp. 281 – 287 . mechanical stability vibrations magnetic heads mechanical contact adhesion springs (mechanical) design hard discs disc drives nanotribology head disk interface slider dynamics unstable bouncing vibration asperity contact...