发明名称 |
Method and system for distinguishing spatial and thermal defects on perpendicular media |
摘要 |
Disclosed are a method and system for distinguishing spatial and thermal defects on perpendicular media. The magnetic domains of the perpendicular media are oriented to have a first polarity, scanned using a read head, oriented to have a second polarity and scanned again. The signals from the read head are combined to produce output signals having improved signal to noise ratios from which the locations of spatial and thermal defects can be identified and distinguished.
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申请公布号 |
US8369038(B2) |
申请公布日期 |
2013.02.05 |
申请号 |
US201113045485 |
申请日期 |
2011.03.10 |
申请人 |
MRA TEK LLC;MEIER STEPHEN FRANK;FERRY DAVID H.;JALALIAN HASSAN |
发明人 |
MEIER STEPHEN FRANK;FERRY DAVID H.;JALALIAN HASSAN |
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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