Magnetic recording medium

Details Magnetic recording medium Magnetic recording medium

2005-05-17

2005-05-17

Rickman, Holly (Department: 1773)

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Physical dimension specified

C428S690000, C428S690000, C428S690000, C428S690000, C428S690000, C428S900000

Reexamination Certificate

active

06893714

ABSTRACT:
The present invention provides a magnetic recording medium such as a flexible disk which is capable of high-density recording and is excellent in magnetic property. The magnetic recording medium comprises a magnetic layer, including a cobalt-containing ferromagnetic alloy and a non-magnetic material, on at least one surface of a non-magnetic substrate, wherein the ferromagnetic alloy forms a columnar structure.

REFERENCES:
patent: 6303214 (2001-10-01), Chour et al.
patent: 6391423 (2002-05-01), Sato et al.
patent: 6656613 (2003-12-01), Litvinov et al.
patent: 20030152809 (2003-08-01), Oikawa et al.

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