发明名称 |
METHOD AND APPARATUS FOR ESTIMATING TOUCHDOWN OF A SLIDER IN A HARD DISK DRIVE |
摘要 |
A hard disk drive using an increase in servo address mark delays to create a touchdown flag in response to a slider making contact with a rotating disk surface while accessing a track. This may be used particularly when the track being accessed is located away from the Inside Diameter (ID). The hard disk drive may further use resistive heater electrical readings to determine the touchdown flag for track locations near the ID. The hard disk drive may be calibrated during manufacture and/or may be recalibrated in the field with this method. The calibrated hard disk drive is a product of this method. The method may be used during normal access operations and/or may be embodied as a program system residing in computer readable memory for instructing a computer operating the hard disk drive, where the computer and/or the memory may or may not be included in the hard disk drive.
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申请公布号 |
US2010284109(A1) |
申请公布日期 |
2010.11.11 |
申请号 |
US20090463340 |
申请日期 |
2009.05.08 |
申请人 |
KIM DONGMAN;CHU SANG HOON |
发明人 |
KIM DONGMAN;CHU SANG HOON |
分类号 |
G11B5/596 |
主分类号 |
G11B5/596 |
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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