发明名称 |
Track width measurement for magnetic recording heads |
摘要 |
One embodiment in accordance with the invention is a method for measuring a track width for a magnetic recording head comprising writing a first track and a second track on a disk at two different positions. Note that the first track is written at a frequency plus a frequency shift value while the second track is written at the frequency minus the frequency shift value.
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申请公布号 |
US7529050(B2) |
申请公布日期 |
2009.05.05 |
申请号 |
US20070708941 |
申请日期 |
2007.02.20 |
申请人 |
HITACHI GLOBAL STORAGE TECHNOLOGIES NETHERLANDS B.V. |
发明人 |
SHEN YONG;WANG MIKE X.;ZHANG JING |
分类号 |
G11B5/455;G11B27/36 |
主分类号 |
G11B5/455 |
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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