DocumentCode
2041375
Title
Flying height modulation estimation from pseudo-random readback signal in disk drives
Author
Zeng, Q.H. ; Chen, M.
Author_Institution
IBM Almaden Res. Center, San Jose, CA, USA
fYear
2003
fDate
March 30 2003-April 3 2003
Abstract
In this paper, we present a method that can be used to measure FHM from a pseudo-random readback signal, and apply it to measure a lube induced FHM during read.
Keywords
digital magnetic recording; disc drives; random number generation; disk drives; lube induced flying height modulation; pseudorandom readback signal; Disk drives; Etching; Fourier transforms; Frequency measurement; Motion measurement; Shape; Testing; Timing; Velocity measurement; Wavelength measurement;
fLanguage
English
Publisher
ieee
Conference_Titel
Magnetics Conference, 2003. INTERMAG 2003. IEEE International
Conference_Location
Boston, MA, USA
Print_ISBN
0-7803-7647-1
Type
conf
DOI
10.1109/INTMAG.2003.1230265
Filename
1230265
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