Magnetic transfer master carrier, magnetic transfer method,...

Details Magnetic transfer master carrier, magnetic transfer method,... Magnetic transfer master carrier, magnetic transfer method,...

2011-07-19

2011-07-19

Olson, Jason (Department: 2627)

Dynamic magnetic information storage or retrieval

Record copying

Contact transfer

Reexamination Certificate

active

07982984

ABSTRACT:
The present invention provides a magnetic transfer master carrier which forms a magnetic pattern corresponding to a pattern of information to be recorded on a perpendicular magnetic recording medium when a magnetic field is applied to the perpendicular magnetic recording medium, with the magnetic master carrier and the perpendicular magnetic recording medium closely attached to each other, the carrier including: a base material having convex portions on its surface, the convex portions being provided corresponding to the pattern of information; a magnetic layer deposited on at least top surfaces of the convex portions, and having perpendicular magnetic anisotropy; and a soft magnetic layer deposited on the surface of the magnetic layer.

REFERENCES:
patent: 7218465 (2007-05-01), Deeman et al.
patent: 2000-195048 (2000-07-01), None
patent: 2003-203325 (2003-07-01), None

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