发明名称 |
Method of determining optimal write current parameters of magnetic recording device and storage device using the method |
摘要 |
Optimal write current of a data storage device is determined by writing test data with an initial write condition and evaluating a performance related to the pole tip protrusion (PTP) of a magnetic head. A PTP control duration is determined as a duration between where the test data is initially written and where a performance evaluation value begins to satisfy a threshold criterion. An overshoot value of a PTP control signal that determines an overshoot amplitude of a write current and a PTP control duration are determined by for writing subsequent data such that PTP-related data errors are substantially constant regardless of write time.
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申请公布号 |
US7619842(B2) |
申请公布日期 |
2009.11.17 |
申请号 |
US20070736152 |
申请日期 |
2007.04.17 |
申请人 |
SAMSUNG ELECTRONICS CO., LTD. |
发明人 |
LEE JOO-HYUN;LEE JI-YOUNG;KIM MYOUNG-MEE |
分类号 |
G11B27/36 |
主分类号 |
G11B27/36 |
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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