Abstract
This paper discusses experimental study of the force acting on a contact slider of HDD. First, the circumferencial friction force acted on a contact slider by a disk was measured. It was found that the averaged circumferencial friction force could be modeled as Coulomb friction one. Next, the lateral velocity of a simulated contact slider and AE signal were measured, and the off-track force was estimated with frequency response function computed with FEM. As a result, it was found that the glass slider whose roughness was 1.8nm could achieve soft contact, and the off-track force acting on the contact slider was same order to the windage force.
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