Perpendicular magnetic head having modified shaping layer...

Details Perpendicular magnetic head having modified shaping layer... Perpendicular magnetic head having modified shaping layer...

2006-10-10

2006-10-10

Davis, David (Department: 2627)

Dynamic magnetic information storage or retrieval

Head

Core

Reexamination Certificate

active

07119988

ABSTRACT:
A magnetic head of the present invention includes a first magnetic pole that is exposed at the air bearing surface of the magnetic head and a second magnetic pole shaping layer that is not exposed at the air bearing surface. A layer of non-magnetic material is fabricated between the air bearing surface and the shaping layer, where the non-magnetic material is also electrically conductive. The pole tip of the magnetic head is electroplated on top of the non-magnetic electrically conductive material subsequent to the fabrication of the shaping layer, and in magnetic flux communication with the shaping layer.

REFERENCES:
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patent: 5576099 (1996-11-01), Canaperi et al.
patent: 6306311 (2001-10-01), Han et al.
patent: 6340558 (2002-01-01), Kubota et al.
patent: 6346183 (2002-02-01), Baer et al.
patent: 6757141 (2004-06-01), Santini et al.
patent: 6952867 (2005-10-01), Sato
“VLSI Technology”, S.M. Sze; 1983; pp. 272 & 273; Resists.

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