Magnetic transfer master medium, magnetic transfer method,...

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

2006-12-19

2006-12-19

Chaney, Carol (Department: 1773)

Dynamic magnetic information storage or retrieval

Record copying

Contact transfer

C360S016000, C428S848100, C428S848500

Reexamination Certificate

active

07151641

ABSTRACT:
A favorable magnetic transfer is performed to a perpendicular magnetic recording medium. A master medium is provided with a substrate on the surface of which protrusion portions, which form a pattern corresponding to the data that is to be transferred, having a pliable layer thereon have been formed. The master medium is further provided with a soft magnetic layer formed in the depression portions between the protrusion portions, and which is magnetically linked to the soft magnetic layer of the protrusion portions. The soft magnetic layer of the surface of the protrusion portions is conjoined with the magnetic recording layer of a perpendicular magnetic recording medium to form a conjoined body, and a transfer magnetic field is applied to the conjoined body in the direction from the substrate of the master medium toward the slave medium to perform the magnetic transfer.

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JP 10-269566 translation.

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