Patterned master carrier for magnetic transfer,...

Details Patterned master carrier for magnetic transfer,... Patterned master carrier for magnetic transfer,...

2007-03-20

2007-03-20

Wellington, Andrea (Department: 2627)

Dynamic magnetic information storage or retrieval

Record copying

Contact transfer

C360S016000

Reexamination Certificate

active

10875988

ABSTRACT:
A patterned master carrier for magnetic transfer is used to transfer a magnetization pattern, which does not cause a problem such as an error attributable to a subpulse upon signal reproduction, to a slave medium. A signal pattern on a surface of a patterned master carrier for the magnetic transfer includes signal areas and no-signal areas, and the signal area is provided with an actual signal pattern and a dummy signal pattern adjacent to the no-signal area. Therefore, the actual signal pattern is not adjacent to the no-signal area.

REFERENCES:
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patent: 2002/0044368 (2002-04-01), Yoshizawa
patent: 2003/0063403 (2003-04-01), Nishikawa et al.
patent: 2003/0123170 (2003-07-01), Miyata et al.
patent: 0 353 767 (1990-02-01), None
patent: 1 187 106 (2002-03-01), None
patent: 2002-42301 (2002-02-01), None
Japanese Abstract No. 2001291234, dated Oct. 19, 2001.
Japanese Abstract No. 2000293839, dated Oct. 20, 2000.

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