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Browse Journals & Magazines > Magnetics, IEEE Transactions ...> Volume:33 Issue:1 Help

Development of high resolution and low noise single-layered perpendicular recording media for high density recording

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5 Author(s)
Hirayama, Y. ; Central Res. Lab., Hitachi Ltd., Tokyo, Japan ; Futamoto, M. ; Ito, K. ; Honda, Y.
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Single-layered perpendicular recording media with high resolution and low noise characteristics, which can be used for 10 Gb/in2 level magnetic recording, have been developed. Noise characteristics of highly oriented CoCr19Pt10 media are improved, by employing CoCr35/TiCr10 dual-underlayer, by reducing magnetic crystal grain diameter, and by adding Ta to the magnetic layer. A linear recording density resolution (D50) value of 260 kFCI and a S0/N ratio of 36 dB are confirmed for the low noise 50-nm-thick CoCr19Pt10 Ta2 dual-underlayer medium using a flying MR head at magnetic spacing of 40 nm

Published in:
Magnetics, IEEE Transactions on  (Volume:33 ,  Issue: 1 )

Date of Publication: Jan 1997

Page(s):
996 - 1001
ISSN :
0018-9464
INSPEC Accession Number:
5504125
Digital Object Identifier :
10.1109/20.560145
Product Type:
Journals & Magazines
Date of Current Version :
06 August 2002
Issue Date :
Jan 1997
Sponsored by :
IEEE Magnetics Society

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