Laminated magnetic structure for use in a perpendicular...

Dynamic magnetic information storage or retrieval – Head – Core

Reexamination Certificate

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Reexamination Certificate

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07436629

ABSTRACT:
A magnetic structure for use in a perpendicular magnetic write head that prevents magnetic domain formation and reduces magnetic remanence in the structure. The magnetic structure includes magnetic layers sandwiched between thin non-magnetic layers. Each of the magnetic layers includes a relatively thicker layer of CoFe sandwiched between relatively thinner layers of NiFe.

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patent: 2004/0252415 (2004-12-01), Shukh et al.

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