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High-coercivity magnetic hard disks using glass substrates (1990)

Kogure, T. ; Katayama, S. ; Ishii, N.

[S.l.] : American Institute of Physics (AIP)

Journal of Applied Physics 67 (1990), S. 4701-4703

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ISSN: 1089-7550

Source: AIP Digital Archive

Topics: Physics

Notes: A new structure for sputtered thin-film high-density longitudinal magnetic recording media using glass substrates has been proposed. The coercivity of Co alloy films is increased considerably by depositing a thin Ti layer between the Cr underlayer and the glass substrates. X-ray diffraction analysis indicates a change in the preferred orientation of the Cr layer. Transmission electron microscopy reveals that there is a significant change in the microstructure of the columnar Cr layer when Ti coating is used. It is proposed that the Ti film prevents oxygen from the glass substrates from reacting with the Cr and Co alloy magnetic layers.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1063/1.346070

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