发明名称 |
High precision fly height measurement |
摘要 |
A method for measuring spacing between a head and a storage medium is provided. The method includes obtaining a sample of a readback signal from a sequence of data stored on the storage medium using the head. An amplitude of the readback signal for a plurality of frequencies is calculated. Additionally, the method includes providing a measurement indicative of spacing between the head and the storage medium based on the amplitude.
|
申请公布号 |
US6930844(B2) |
申请公布日期 |
2005.08.16 |
申请号 |
US20030440885 |
申请日期 |
2003.05.19 |
申请人 |
SEAGATE TECHNOLOGY LLC |
发明人 |
YEH NAN-HUSING;BLOYER DON R.;DYKES JOHN W. |
分类号 |
G11B5/58;G11B5/60;G11B21/21;(IPC1-7):G11B27/36;G11B21/02 |
主分类号 |
G11B5/58 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|