Friction control by micro-vibration of a magnetic recording head under micro-load

Lizhi Su; Junguo Xu; Masayuki Kurita; Koji Kato; Koshi Adachi

doi:10.1007/s00542-005-0542-4

Friction control by micro-vibration of a magnetic recording head under micro-load

Lizhi Su, Junguo Xu, Masayuki Kurita, Koji Kato, Koshi Adachi

ENG - Mechanical Systems Engineering

Research output: Contribution to journal › Article › peer-review

Abstract

To reduce the risk of a head crash in a hard disk drive by reducing stiction/friction at the head-disk interface, micro-vibration was applied to reduce such friction. This friction control between a head and a disk was investigated by means of a model head. The present study investigated the effect of micro-vibration on friction under micro-load conditions and the influence of surface roughness on friction reduction by micro-vibration. These investigations show that micro-vibration of the model head is effective to reduce friction when a slider contacts a smooth disk.

Original language	English
Pages (from-to)	830-835
Number of pages	6
Journal	Microsystem Technologies
Volume	11
Issue number	8-10
DOIs	https://doi.org/10.1007/s00542-005-0542-4
Publication status	Published - 2005 Aug

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abstract = "To reduce the risk of a head crash in a hard disk drive by reducing stiction/friction at the head-disk interface, micro-vibration was applied to reduce such friction. This friction control between a head and a disk was investigated by means of a model head. The present study investigated the effect of micro-vibration on friction under micro-load conditions and the influence of surface roughness on friction reduction by micro-vibration. These investigations show that micro-vibration of the model head is effective to reduce friction when a slider contacts a smooth disk.",

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AU - Kurita, Masayuki

AU - Kato, Koji

AU - Adachi, Koshi

PY - 2005/8

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N2 - To reduce the risk of a head crash in a hard disk drive by reducing stiction/friction at the head-disk interface, micro-vibration was applied to reduce such friction. This friction control between a head and a disk was investigated by means of a model head. The present study investigated the effect of micro-vibration on friction under micro-load conditions and the influence of surface roughness on friction reduction by micro-vibration. These investigations show that micro-vibration of the model head is effective to reduce friction when a slider contacts a smooth disk.

AB - To reduce the risk of a head crash in a hard disk drive by reducing stiction/friction at the head-disk interface, micro-vibration was applied to reduce such friction. This friction control between a head and a disk was investigated by means of a model head. The present study investigated the effect of micro-vibration on friction under micro-load conditions and the influence of surface roughness on friction reduction by micro-vibration. These investigations show that micro-vibration of the model head is effective to reduce friction when a slider contacts a smooth disk.

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ER -

Friction control by micro-vibration of a magnetic recording head under micro-load

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