Magnetic head with helical coil and plural outer conductor...

Details Magnetic head with helical coil and plural outer conductor... Magnetic head with helical coil and plural outer conductor...

2006-05-30

2006-05-30

Evans, Jefferson (Department: 2652)

Dynamic magnetic information storage or retrieval

Head

Coil

Reexamination Certificate

active

07054104

ABSTRACT:
The magnetic head in accordance with the present invention comprises first and second magnetic pole layers, a link part for magnetically linking the first and second magnetic pole layers, and a thin-film coil helically wound about at least one of the first and second magnetic pole layers. The thin-film coil comprises a plurality of inner conductor parts arranged in parallel with each other with an insulating film interposed therebetween, a plurality of first outer conductor parts located on the side of the first or second magnetic pole layer opposite from the side where the inner conductor parts are located, a plurality of second outer conductor parts located on the side of the first outer conductor parts opposite from the side where the inner conductor parts are located, and a plurality of connecting parts for connecting their corresponding inner conductor parts and first and second outer conductor parts.

REFERENCES:
patent: 5995342 (1999-11-01), Cohen et al.
patent: 6043959 (2000-03-01), Crue et al.
patent: 6191916 (2001-02-01), Sasaki
patent: 6459543 (2002-10-01), Sasaki
patent: 6778354 (2004-08-01), Matono
patent: 2002/0176205 (2002-11-01), Matono
patent: 2004/0196590 (2004-10-01), Sasaki et al.
patent: 2004/0212922 (2004-10-01), Sasaki et al.
patent: 5-250636 (1993-09-01), None
patent: A 2000-311311 (2000-11-01), None
patent: A 2003-282324 (2003-10-01), None
patent: A 2003-297632 (2003-10-01), None

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