Longitudal magnetic recording medium having a multi-layered unde

Details Longitudal magnetic recording medium having a multi-layered unde Longitudal magnetic recording medium having a multi-layered unde

1997-09-03

1999-07-13

Kiliman, Leszek

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428336, 428694T, 428694TS, 428694R, 428900, G11B 566

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059224568

ABSTRACT:
A longitudinal magnetic recording medium and a magnetic storage apparatus using the longitudinal magnetic recording medium. The recording medium has a multi-layered underlayer and a magnetic layer formed on it. The underlayer has a first layer of a body-centered cubic structure, a second layer of a hexagonal-close packed structure formed on the first layer, and a third layer of a bcc structure formed on the second layer. The underlayer may further have a fourth layer of an hcp structure layer formed on the third layer.

REFERENCES:
patent: 5605733 (1997-02-01), Ishikawa
patent: 5693426 (1997-12-01), Lee
patent: 5738927 (1998-04-01), Nakamura
J. Appl. Phys., vol. 73(10), May 15, 1993, pp. 5566-5568.
Patent Abstracts of Japan, vol. 15, No. 349, Sep. 4, 1991, JP 3-132915 (Ricoh Co. Ltd.).
Patent Abstracts of Japan, vol. 14, No. 392, Aug. 23, 1990, JP 2-148439 (Canon Inc.).

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