DocumentCode
3141667
Title
Micro-magnetic simulation of magnetic cluster, thermal activation volume, and media noise in perpendicular recording media
Author
Igarashi, M. ; Hara, M. ; Nakamura, A. ; Sugita, Y.
Author_Institution
Central Res. Lab., Hitachi Ltd., Tokyo, Japan
fYear
2003
fDate
6-8 Jan. 2003
Firstpage
13
Abstract
As the recording density of hard-disk drives increases, it becomes more important to suppress media noise, which is deeply related to magnetic cluster. In this study, the magnetic cluster, thermal activation volume and the media noise in perpendicular recording media have been analyzed by using micro-magnetic simulation, and compared with data for longitudinal recording media.
Keywords
disc drives; hard discs; magnetic recording noise; micromagnetics; perpendicular magnetic recording; hard-disk drives; magnetic cluster; media noise; micro-magnetic simulation; perpendicular recording media; thermal activation volume; Analytical models; Demagnetization; Gaussian distribution; Hard disks; Magnetic analysis; Magnetic anisotropy; Magnetic noise; Perpendicular magnetic anisotropy; Perpendicular magnetic recording;
fLanguage
English
Publisher
ieee
Conference_Titel
Joint NAPMRC 2003. Digest of Technical Papers [Perpendicular Magnetic Recording Conference]
Conference_Location
Monterey, CA, USA
Print_ISBN
0-7803-7746-X
Type
conf
DOI
10.1109/NAPMRC.2003.1177017
Filename
1177017
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