Non-invasive take-off/touch-down velocity measurements

A new method for take-off/touch-down velocity measurement is presented. The method makes use of frequency jitter in the readback signal, is non-invasive, can detect a slider sway down to 0.08 nm, and is also useful for glide testing.< >

Saved in:
Bibliographic Details
Published inIEEE transactions on magnetics Vol. 30; no. 6; pp. 4164 - 4166
Main Authors Klaassen, K.B., van Peppen, J.C.L., Eaton, R.E.
Format Journal Article
LanguageEnglish
Published IEEE 01.11.1994
Subjects
Acoustic measurements
Acoustic sensors
Band pass filters
Calibration
Computer crashes
Disk drives
Disk recording
Frequency
Hard disks
Velocity measurement
Online AccessGet full text

Cover

More Information
Summary:A new method for take-off/touch-down velocity measurement is presented. The method makes use of frequency jitter in the readback signal, is non-invasive, can detect a slider sway down to 0.08 nm, and is also useful for glide testing.< >
ISSN:0018-9464
1941-0069
DOI:10.1109/20.334023