DocumentCode :
763404
Title :
Recording on Bit-Patterned Media at Densities of 1 Tb/in 
and Beyond
and BeyondAuthor :
Richter, H.J. ; Dobin, A.Y. ; Heinonen, O. ; Gao, K.Z. ; Veerdonk, R.J.M.v.d. ; Lynch, R.T. ; Xue, J. ; Weller, D. ; Asselin, P. ; Erden, M.F. ; Brockie, R.M.
Author_Institution :
Seagate Technol., Fremont, CA
Volume :
42
Issue :
10
fYear :
2006
Firstpage :
2255
Lastpage :
2260
Abstract :
We present a comprehensive analysis of the areal density potential of a bit-patterned media recording. The recording performance is dominated by written-in errors rather than traditional signal-to-noise considerations. Written-in errors are caused by statistical fluctuations of the magnetic properties and the locations of the individual dots. The highest areal densities are obtained with a combination of a pole head, a soft magnetic underlayer, and a storage medium of the composite type. Areal density scenarios of up to 5 Tb/in2 are analyzed
Keywords :
composite materials; fluctuations; magnetic heads; magnetic recording; soft magnetic materials; bit-patterned media recording; composite media; magnetic properties; pole head; real density potential; soft magnetic underlayer; statistical fluctuations; storage medium; write synchronization; written-in errors; Fluctuations; Heat-assisted magnetic recording; Magnetic anisotropy; Magnetic heads; Magnetic recording; Perpendicular magnetic anisotropy; Perpendicular magnetic recording; Signal to noise ratio; Soft magnetic materials; Switches; Composite media; patterned media recording; write synchronization; written-in errors;
fLanguage :
English
Journal_Title :
Magnetics, IEEE Transactions on
Publisher :
ieee
ISSN :
0018-9464
Type :
jour
DOI :
10.1109/TMAG.2006.878392
Filename :
1704265
Link To Document :
