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Magnetic Properties and Recording Characteristics of Co-containing Ferrite Thin-Film Media Prepared by ECR Sputtering

Setsuo YAMAMOTO, Kei HIRATA, Hiroki KURISU, Mitsuru MATSUURA, Takanori DOI, Kousaku TAMARI

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Summary :

Co-containing ferrite thin-film media deposited by a reactive-ECR-sputtering at a low substrate temperature of 150 degree Celsius were oxidized by ECR plasma. The magnetic properties and recording characteristics of the media were improved by the oxidation with maintaining a smooth surface. The media showed high D50 of 203 kFRPI in MIG head recording and reproduction. The Co-containing ferrite thin-film is feasible to be used as a protective overcoat layer.

Publication
IEICE TRANSACTIONS on Electronics Vol.E85-C No.10 pp.1750-1755
Publication Date
2002/10/01
Publicized
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Type of Manuscript
Special Section PAPER (Special Issue on Recent Progress in Information Storage Technology)
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