发明名称 |
Proposal of capacity tuning in the production process of storage disc drives |
摘要 |
A disc drive production process automatically configures the disc drive to a suitable capacity based upon the data transfer capability of each of the head/disc surface combinations in the drive. The error rate of each of the head/disc surface combinations is determined as a function of the bit density of the disc surface. Based on the data transfer capability of the head/disc surface combinations, one of three drive configuration schemes is selected. A variable BPI (bits per inch) scheme reduces the data rate of a weak head/disc surface combination while increasing the data rate of a strong head/disc surface combination. If the drive contains one very weak head/disc surface combination, a head depopulation scheme disables the very weak head. If the drive contains two or more very weak heads, a de-frequency scheme reduces the overall capacity of the drive.
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申请公布号 |
US6446156(B1) |
申请公布日期 |
2002.09.03 |
申请号 |
US19990475530 |
申请日期 |
1999.12.30 |
申请人 |
SEAGATE TECHNOLOGY LLC |
发明人 |
CHIA KOK HOE;LIM TECK KHOON;QUAK BENG WEE;LIM KOK SENG;TEO SONG WEE |
分类号 |
G11B5/00;G11B5/012;G11B5/09;G11B5/455;G11B20/18;G11B27/36;(IPC1-7):G06F12/00 |
主分类号 |
G11B5/00 |
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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