Composite type thin-film magnetic head

Details Composite type thin-film magnetic head Composite type thin-film magnetic head

1998-06-10

2000-09-26

Klimowicz, William

Dynamic magnetic information storage or retrieval

Head

Magnetoresistive reproducing head

360122, 360126, G11B 539, G11B 5147, G11B 5187

Patent

active

06125018&

ABSTRACT:
A composite type thin-film magnetic head. In one embodiment, a projection is formed on a second magnetic film layer of a composite type thin-film magnetic head. The position where this projection is formed is the area where a second magnetic film layer and third magnetic film layer face each other across a gap film layer. A width b of the projection is smaller than a width a of the third magnetic layer film.

REFERENCES:
patent: 4970616 (1990-11-01), Ramaswamy
patent: 5267112 (1993-11-01), Batra et al.
patent: 5283942 (1994-02-01), Chen et al.
patent: 5349745 (1994-09-01), Kawabe et al.
patent: 5479696 (1996-01-01), McNeil
patent: 5719730 (1998-02-01), Chang et al.
patent: 5801910 (1998-09-01), Mallary
patent: 5843521 (1998-12-01), Ju et al.

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