DocumentCode
2940663
Title
Two-Dimensional Flying-Height Modulation Mapping At Hdd Drive Level
Author
Shimizu, Y. ; Xu, J.
Author_Institution
Hitachi. Co. Ltd., Odawara
fYear
2006
fDate
8-12 May 2006
Firstpage
422
Lastpage
422
Abstract
A measurement system for flying-height modulation of magnetic heads is proposed, and two-dimensional flying-height modulation mapping is demonstrated at the Hdd drive level. To write the code for flying-height modulation measurement at the same wavelength, the write frequency should be changed according to the track position, and measured voltage contains an error from the frequency response of the measurement system. The frequency response of the measurement system was calibrated, and measurement accuracy was improved.
Keywords
calibration; codes; disc drives; hard discs; magnetic heads; Hdd drive level; calibration; frequency response; magnetic heads; measurement accuracy; track position; two-dimensional flying-height modulation mapping; write frequency; Calibration; Frequency measurement; Frequency response; Magnetic heads; Magnetic modulators; Measurement errors; Position measurement; Signal processing; Voltage; Wavelength measurement;
fLanguage
English
Publisher
ieee
Conference_Titel
Magnetics Conference, 2006. INTERMAG 2006. IEEE International
Conference_Location
San Diego, CA
Print_ISBN
1-4244-1479-2
Type
conf
DOI
10.1109/INTMAG.2006.376146
Filename
4261855
Link To Document