Magnetic head with alternately laminated...

Details Magnetic head with alternately laminated... Magnetic head with alternately laminated...

2008-05-13

2008-05-13

Renner, Craig A. (Department: 2627)

Dynamic magnetic information storage or retrieval

Head

Core

Reexamination Certificate

active

11098281

ABSTRACT:
A magnetic head according to the present invention includes a write magnetic pole on which a magnetic film has been formed, and is characterized by the magnetic film being formed by alternately laminating magnetic layers, which have iron (Fe) and cobalt (Co) as main components, and insulating layers, the insulating layers being formed as discontinuous films. With this construction, it is possible to form a write magnetic pole that has a high Bs value and high permeability, so that it is possible to provide a magnetic head that can record onto a high-density medium with a high coercive force.

REFERENCES:
patent: 4516180 (1985-05-01), Narishige et al.
patent: 5589221 (1996-12-01), Hiramoto et al.
patent: 6278590 (2001-08-01), Gill et al.
patent: 6456466 (2002-09-01), Nakamoto et al.
patent: 08-213234 (1996-08-01), None
patent: 09-097714 (1997-04-01), None
patent: 2001015339 (2001-01-01), None
patent: 2003-100515 (2003-04-01), None

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