Magnetic media patterning via contact printing utilizing...

Details Magnetic media patterning via contact printing utilizing... Magnetic media patterning via contact printing utilizing...

2007-05-15

2007-05-15

Tran, Thang V. (Department: 2627)

Dynamic magnetic information storage or retrieval

Record copying

Contact transfer

C360S017000, C428S836000, C428S692100

Reexamination Certificate

active

10453508

ABSTRACT:
A stamper/imprinter for use in forming a magnetic transition pattern in a magnetic material by means of contact printing, comprising: (a) a non-magnetic substrate having a major surface comprising a patterned plurality of spaced-apart recesses with a plurality of non-recessed areas therebetween, the patterned plurality of recesses corresponding to the magnetic transition pattern to be formed in the magnetic material; and (b) unidirectionally permanently magnetized material filling each of the plurality of recesses and having exposed surfaces substantially coplanar with the plurality of non-recessed areas.

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patent: 2004/0218475 (2004-11-01), Nishikawa et al.
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patent: 57105827 (1982-07-01), None
patent: 2001312819 (2001-11-01), None

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