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Influence of seedlayer on film microstructure of Co-Cr-Pt longitudinal recording media fabricated on plastic substrates

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5 Author(s)
Kirino, F. ; Tsukuba Res. Lab., Hitachi Maxell Ltd., Ibaraki, Japan ; Inaba, N. ; Futamoto, M. ; Koiso, N.
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Influences of seedlayer on surface and cross-sectional film structures are investigated for the magnetic recording media fabricated on a plastic disk substrate. An irregular film growth is observed when a recording medium consisting of C/Co-Cr-Pt/Cr-Ti multilayer is deposited directly on an amorphous polyolefin substrate. Zr or Ti seedlayer with HCP crystal structure is found to be useful in improving the film microstructure and is comparable to that formed on a glass substrate. The recording media with Zr or Ti seedlayer have desirable microstructure and surface flatness which are necessary for high density magnetic recording applications

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Magnetics, IEEE Transactions on  (Volume:36 ,  Issue: 5 )