Metal thin film magnetic recording medium and manufacturing meth

Details Metal thin film magnetic recording medium and manufacturing meth Metal thin film magnetic recording medium and manufacturing meth

1994-03-07

1997-12-23

Thibodeau, Paul J.

Stock material or miscellaneous articles

Composite

Of inorganic material

428336, 428694TP, 428694TC, 428694TF, 428900, 428910, G11B 566, G11B 570

Patent

active

057005931

ABSTRACT:
A metal thin film magnetic recording medium comprising an underlying non-magnetic layer and a magnetic layer comprising a Co-alloy having a uni-axial magnetocrystalline anisotropy formed in this order by lamination on the surface of a non-magnetic substrate. On the substrate, are formed a seed layer comprising an oxygen-containing non-magnetic amorphous metal or a seed layer comprising a non-magnetic amorphous metal having an oxygen-containing layer (not illustrated) on the surface, and an underlying non-magnetic layer is laminated on the seed layer. Further, a seed layer comprising an amorphous Cr- or V-alloy is formed on the substrate, and an underlying non-magnetic layer is laminated on the seed layer.

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patent: 5037515 (1991-08-01), Tsai et al.
patent: 5302434 (1994-04-01), Doerner et al.
patent: 5413873 (1995-05-01), Mizukami
patent: 5436047 (1995-07-01), Howard et al.
IEEE Transactions on Magnetics, vol. 28, No. 5, pp. 2716-2718, Jian-Chang Zhu, et al., "Side Writing Phenomena in Narrow Track Recording".
IEEE Transactions on Magnetics, vol. 29, No. 6, pp. 3691-3693, Nov. 1993, N. Mahvan, et al., "Oxidation of Seed-Layer for Imporved Magnetic & Recording Performance of Thin-Film Rigid Discs".

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