Perpendicular media with improved corrosion performance

Details Perpendicular media with improved corrosion performance Perpendicular media with improved corrosion performance

2006-09-12

2006-09-12

Rickman, Holly (Department: 1773)

Stock material or miscellaneous articles

Magnetic recording component or stock

Thin film media

Reexamination Certificate

active

07105240

ABSTRACT:
A perpendicular recording medium having a magnetic layer comprising cobalt, platinum, and at least one of molybdenum and chromium. In a preferred embodiment, the perpendicular recording medium comprises granular magnetic regions having oxygen-containing grain boundaries. The magnetic layer of the present invention preferably exhibits improved corrosion resistance while maintaining the magnetic properties suitable for high density perpendicular recording.

REFERENCES:
patent: 6287429 (2001-09-01), Moroishi et al.
patent: 6699600 (2004-03-01), Shimizu et al.
patent: 2003/0157375 (2003-08-01), Uwazumi et al.
patent: 0330116 (1989-08-01), None

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