Magnetic recording medium

Details Magnetic recording medium Magnetic recording medium

1997-01-13

1998-12-22

Kiliman, Leszek

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Physical dimension specified

428336, 428694T, 428694TR, 428694TS, 428694SG, 428694TM, 428900, G11B 566

Patent

active

058516565

ABSTRACT:
A magnetic recording medium is provide which includes at least a base layer and a multiple-film magnetic layer formed on a substrate. The multiple-film magnetic layer includes two to six magnetic films formed of a material selected from CoNiCrTa alloy, CoCrPt alloy and CoCrTaPt alloy. The magnetic films are laminated on each other with a non-magnetic intermediate layer interposed between each pair of the magnetic films. The non-magnetic intermediate film is formed of a Cr alloy containing an element selected from Mo, Ta, Ti and W.

REFERENCES:
patent: 5051288 (1991-09-01), Ahlert
patent: 5298324 (1994-03-01), Ivett et al.
patent: 5370928 (1994-12-01), Funabashi
patent: 5580667 (1996-12-01), Lal
patent: 5607740 (1997-03-01), Nodo
Journal of the Japan Association of Applied Magnetics 87th research Materials Issu (Oct., 1994) (japanese edition) Abst, included, Title Microstructure and the Properties of CoNiCrTa Multilayer Media.
IEEE Transactions On Magnetics, vol. 26, No. 5, Sep. 1990 (pp. 2700-2705). Noise Properties Of Multilayered Co Alloy Magnetics Recording Media.
J. Appl. Phys. 67 (9), May 1, 1990 (pp. 4692-4694). Low-Noise Media Using Double-Layer CoNiCr Thin Films For Longitudinal Recording.
IEEE Transactions on Magnetics vol. 29, No. 6, Nov. 1993 (pp. 3679-3681). Flash Chromium Interlayer for High Performance Disks with Superior Noise and Coercivity.

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