Magnetic transfer master and method of formatting magnetic...

Dynamic magnetic information storage or retrieval – Record copying – Contact transfer

Reexamination Certificate

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Reexamination Certificate

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07602566

ABSTRACT:
A master is used for writing information to a magnetic recording disk by a magnetic transfer method. The recording disk includes a magnetic recording layer possessing vertical magnetic anisotropy. The master includes a servo zone corresponding part formed with a magnetic material pattern for recording servo information to the recording layer of the recording disk. The master also includes a user data zone corresponding part formed with a second magnetic material pattern for providing the recording layer of the recording disk with a dummy signal.

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patent: 2002/0131199 (2002-09-01), Takeo
patent: 2003/0008099 (2003-01-01), Nishikawa et al.
patent: 2003/0123170 (2003-07-01), Miyata et al.
patent: 2004/0264024 (2004-12-01), Yasunaga
patent: 0 915 456 (1999-05-01), None
patent: 10-320768 (1998-12-01), None
patent: 2002-230734 (2002-08-01), None
patent: 2003-173513 (2003-06-01), None

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