Combination read/write thin film magnetic head

Details Combination read/write thin film magnetic head Combination read/write thin film magnetic head

1997-08-20

1998-11-10

Wolff, John H.

Dynamic magnetic information storage or retrieval

Head

Hall effect

G11B 5127, G11B 533

Patent

active

058353135

ABSTRACT:
A combination read/write thin film magnetic head comprises: a magnetoresistive element, a main lead layer leading a sensing current to the magnetoresistive element, a lower-core layer formed on the main lead layer through an insulating layer, an upper-core layer facing the lower-core layer through a magnetic gap at the section facing a recording medium, a coil layer inducing a magnetic field to both of the lower- and upper-core layers, and a coil extraction layer simultaneously formed of the same material in the same step as the main lead layer, wherein the coil extraction layer is connected to the wound center of the coil layer.

REFERENCES:
patent: 5272582 (1993-12-01), Shibata et al.
patent: 5291363 (1994-03-01), Somers
patent: 5300062 (1994-04-01), Matsuzawa et al.
patent: 5371643 (1994-12-01), Yuito et al.
patent: 5465186 (1995-11-01), Bajorek et al.
patent: 5504643 (1996-04-01), Lazzari
patent: 5691867 (1997-11-01), Onuma et al.
patent: 5701221 (1997-12-01), Taniyama et al.

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