Magnetic recording medium, method of manufacture thereof,...

Details Magnetic recording medium, method of manufacture thereof,... Magnetic recording medium, method of manufacture thereof,...

2006-04-25

2006-04-25

Rickman, Holly (Department: 1773)

Stock material or miscellaneous articles

Magnetic recording component or stock

Thin film media

C427S131000

Reexamination Certificate

active

07033684

ABSTRACT:
A magnetic recording medium comprising at least a soft magnetic layer, an orientation control film that controls the orientation of a film provided directly thereabove, an intermediate film, a perpendicular magnetic recording film of which the axis of easy magnetization is generally oriented perpendicular to a non-magnetic substrate, and a protective film, that are provided on said substrate, wherein the intermediate film has saturation magnetization Ms of at least 20 (emu/cc) and equal to or less than 200 (emu/cc), a method of manufacture thereof, and a magnetic read/write apparatus.

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patent: 6723457 (2004-04-01), Tanahashi et al.
patent: 2004/0023074 (2004-02-01), Shimizu et al.

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