We present a unique study on contact hysteresis between the head disk interface of the commercially available hard disk drives. We demonstrate that although electrostatic force (DC or AC voltage) is an attractive force, AC voltage induced out-of-plane oscillation of the head respect to disk is able to suppress completely the contact hysteresis.
- Information Storage and Processing Systems Division
Electrostatic Tunable Contact Hysteresis in Head-Disk Interface
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Rajauria, S, Ruiz, O, Canchi, SV, Schreck, E, & Dai, Q. "Electrostatic Tunable Contact Hysteresis in Head-Disk Interface." Proceedings of the ASME 2017 Conference on Information Storage and Processing Systems collocated with the ASME 2017 International Technical Conference and Exhibition on Packaging and Integration of Electronic and Photonic Microsystems. ASME 2017 Conference on Information Storage and Processing Systems. San Francisco, California, USA. August 29–30, 2017. V001T01A011. ASME. https://doi.org/10.1115/ISPS2017-5444
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