Magnetic recording medium, production method thereof and...

Details Magnetic recording medium, production method thereof and... Magnetic recording medium, production method thereof and...

2011-04-19

2011-04-19

Rickman, Holly (Department: 1785)

Stock material or miscellaneous articles

Magnetic recording component or stock

Thin film media

Reexamination Certificate

active

07927725

ABSTRACT:
A magnetic recording medium for use in digital magnetic recording, which comprises a nonmagnetic substrate having deposited thereon a magnetic layer, wherein with respect to the in-plane direction, the magnetic recording layer comprises a plurality of ferromagnetic regions separated from each other by an antiferromagnetic region. A production method of the magnetic recording medium and a magnetic disc apparatus are also disclosed.

REFERENCES:
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patent: 2006/0177705 (2006-08-01), Ahner et al.
patent: 2007/0217075 (2007-09-01), Kamata et al.
patent: 2007/0224339 (2007-09-01), Kamata et al.
patent: A 2007-250091 (2007-09-01), None
patent: A 2007-257801 (2007-10-01), None
patent: A 2007-273067 (2007-10-01), None

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