To reduce the risk of head crash when a slider contacts a smooth disk during flying height adjustment, a novel tapping method for reducing the friction and lowering the risk of head crash was developed. An active-head slider was designed and fabricated to demonstrate the usefulness of the tapping approach. It is also found that micro-vibration is significantly effective in avoiding a high friction force and protecting a head from the crash due to head-disk contact during the flying height adjustment.
Friction Control of Active-Head Slider During Flying Height Adjustment
Su, L., Xu, J., Kurita, M., Kato, K., Adachi, K., and Miyake, Y. (October 4, 2004). "Friction Control of Active-Head Slider During Flying Height Adjustment." ASME. J. Tribol. October 2005; 127(4): 871–877. https://doi.org/10.1115/1.2000266
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