Read-write magnetoresistive transducer having a plurality of MR

Details Read-write magnetoresistive transducer having a plurality of MR Read-write magnetoresistive transducer having a plurality of MR

1974-08-02

1976-03-16

Tupper, Robert S.

Dynamic magnetic information storage or retrieval

Head

Hall effect

324 46, 338 32R, G11B 512, G11B 530, H01C 716, G01R 3302

Patent

active

039450384

ABSTRACT:
A read-write transducer for magnetic recording is made of two plural magnetoresistive layer flat structures contacting each other at first ends thereof and spaced apart at the opposite ends thereof and of a flat conductor coil winding having a front branch inserted between the said spaced apart ends of the structures. The magnetoresistive layers of the stacks are electrically interconnected in a read-out circuit and the winding may receive writing electrical currents. Each magnetoresistive layer in a stack is inserted between two thicker high permeability magnetic layers and all layers in a stack are relatively insulated.

REFERENCES:
patent: 3887945 (1975-06-01), Nepela et al.
patent: B371787 (1975-01-01), Thompson

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