Magnetic head with magnetoresistive element

Details Magnetic head with magnetoresistive element Magnetic head with magnetoresistive element

1986-11-12

1989-01-10

Hecker, Stuart N.

Dynamic magnetic information storage or retrieval

Head

Hall effect

G11B 5127, G11B 533

Patent

active

047977663

ABSTRACT:
Magnetic head for reading information from a magnetic registration medium. Comprises a magnetic yoke (3) having two limbs (3A, 3B) whose free ends constitute pole faces (3A1, 3B1) on either side of a read gap (7). A magnetoresistive element (15A, 15B) provided within the magnetic yoke at a distance from the pole faces is constituted by a layer of Bi provided on the magnetic intermediate yoke (13). Viewed in the longitudinal direction of the read gap, the layer of Bi extends on either side of this gap and at least during operation it is in a constant magnetic field directed transversely to the layer of Bi.

REFERENCES:
patent: 4617600 (1986-10-01), Somers

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