Multitrack magnetic head having magnetically coupled transducer

Details Multitrack magnetic head having magnetically coupled transducer Multitrack magnetic head having magnetically coupled transducer

1987-05-28

1989-03-21

Hecker, Stuart N.

Dynamic magnetic information storage or retrieval

Head

Hall effect

G11B 5127, G11B 533

Patent

active

048149187

ABSTRACT:
Elongate magneto-resistive elements (3) spaced apart on a substrate (9) incorporated in a magnetic circuit constituted by a magnetic yoke (5, 7, 9) which is provided with pole faces (19, 21) for the purpose of co-operating with the registration medium, while each magneto-resistive element is provided with two contacts (3A) for connection to a measuring current source. To improve the stability of the magneto-resistive elements, the magnetic head has strip-shaped coupling elements (17) which magnetically couple the magneto-resistive elements and keep them electrically separated from each other.

REFERENCES:
patent: 3887944 (1975-06-01), Bajorek et al.
patent: 4556925 (1985-12-01), Suenaga et al.
patent: 4673998 (1987-06-01), Sonda et al.
Gestel et al., "Read Out of a Magnetic Tape by the Magnetoresistive Effect", Phillips Tech. Review 37, 1977, No. 2/3, pp. 42-50.

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