Magnetoresistive read transducer with insulator defined trackwid

Details Magnetoresistive read transducer with insulator defined trackwid Magnetoresistive read transducer with insulator defined trackwid

1991-04-08

1992-10-13

Sniezek, Andrew L.

Dynamic magnetic information storage or retrieval

Head

Hall effect

G11B 5127

Patent

active

RE0340995

ABSTRACT:
A magnetoresistive (MR) read head in which an insulator layer defines the effective track width over which the read head is sensitive. The insulator layer is deposited or patterned to extend a predetermined distance over the MR element, and the predetermined distance is chosen equal to the desired track width. Conductor leads are deposited in contact with the regions of the MR element not covered by the insulator layer with the conductor leads extending up to, and possibly overlapping, the edges of the insulator layer so that the read signal is sensed over the length of the MR element covered by the insulator layer.

REFERENCES:
patent: 3987485 (1976-10-01), Sugaya et al.
patent: 4673999 (1987-06-01), Suyama et al.

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