发明名称 |
Method and system for detecting a change in a rotational velocity of a magnetic disk or a spindle coupled to the magnetic disk |
摘要 |
A method according to one embodiment comprises detecting a change in a rotational velocity of a magnetic disk or a spindle coupled to the magnetic disk, the change being caused by head-disk contact. A method for detecting head-disk contact according to another embodiment comprises measuring a rotational velocity of a magnetic disk or a spindle coupled to the magnetic disk; detecting a change in the rotational velocity, the change being caused by head-disk contact; and correlating the change in rotational velocity with the head-disk contact.
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申请公布号 |
US7605996(B2) |
申请公布日期 |
2009.10.20 |
申请号 |
US20070965980 |
申请日期 |
2007.12.28 |
申请人 |
HITACHI GLOBAL STORAGE TECHNOLOGIES NETHERLANDS B.V. |
发明人 |
BAUMGART PETER MICHAEL;DAVIS CHARLES RAYMOND;HERBST GARY ALLAN;KNIGGE BERNHARD E.;MATE CHARLES MATHEW;WILSON BRUCE ALEXANDER |
分类号 |
G11B21/02;G11B15/46 |
主分类号 |
G11B21/02 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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