Magneto-resistive reading head with two slanted longitudinal bia

Details Magneto-resistive reading head with two slanted longitudinal bia Magneto-resistive reading head with two slanted longitudinal bia

1997-03-20

1999-03-09

Korzuch, William R.

Dynamic magnetic information storage or retrieval

Head

Hall effect

G11B 539

Patent

active

058809104

ABSTRACT:
On a lower magnetic shield film, a lower gap film is formed on which a conductive lead film and a magnet film is laminated. The magnet film forms a bias permanent magnet film for generating a single magnetic domain of a magneto-resistance film. This lead film is trenched to the lower gap layer (20) to form a trapezoid trench and separated leads. A sensor unit having the magneto-resistance film is formed conformally to the trench and electrically connected to the separated leads. An upper gap is formed on the sensor unit (28), and an upper shield is formed on the upper gap.

REFERENCES:
patent: 5491600 (1996-02-01), Chen et al.
patent: 5573809 (1996-11-01), Nix et al.
patent: 5664316 (1997-09-01), Chen et al.
patent: 5668686 (1997-09-01), Shouji et al.
patent: 5691864 (1997-11-01), Saito
patent: 5722157 (1998-03-01), Shouji et al.

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