发明名称 |
Disk drive apparatus and read error recovery procedure therein |
摘要 |
When a sharp change in signal judged due to thermal asperities has appeared, a disk drive apparatus according to the present invention repeats the unidirectional seek operation in a region centered on the belonging cylinder position of the track in which the read error has occurred as one data recovery operation, then scrubs and removes the thermal asperities by putting the component surface around the MR head into positive contact with the asperities, thereby eliminating the fundamental cause of a read error caused by thermal asperities.
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申请公布号 |
US5872671(A) |
申请公布日期 |
1999.02.16 |
申请号 |
US19960683679 |
申请日期 |
1996.07.08 |
申请人 |
INTERNATIONAL BUSINESS MACHINES CORPORATION |
发明人 |
SUZUKI, HIROAKI;KIBASHI, AKIRA;YAMAMOTO, YOSHIO;ASANO, HIDEO |
分类号 |
G11B23/50;G11B5/00;G11B5/012;G11B5/54;G11B5/55;G11B5/58;G11B19/04;G11B21/08;G11B21/21;(IPC1-7):G11B5/58 |
主分类号 |
G11B23/50 |
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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