MR film with upper and lower magnetic layers with resistivity gr

Details MR film with upper and lower magnetic layers with resistivity gr MR film with upper and lower magnetic layers with resistivity gr

1997-08-04

2000-08-08

Miller, Brian E.

Dynamic magnetic information storage or retrieval

Head

Magnetoresistive reproducing head

338 32R, 324252, G11B 5127

Patent

active

061010715

ABSTRACT:
A multi-layered magnetoresistance effect film, a magnetoresistance effect device and a magnetoresistance effect magnetic head of high sensitivity not affected by the sense current magnetic field. The multi-layered magnetoresistance effect film 1 includes a multi-layered film 4 of a pattern made up of magnetic layers 10 and non-magnetic electrically conductive layers 11, repeatedly layered together, and electrically conductive layers 3, 5 formed on at least one end face in the layering direction of the multi-layered film 4. The resistivity of the electrically conductive layers 3, 5 is selected to be larger than that of the magnetic layer 10. The magnetoresistance effect device has the above-defined multi-layered magnetoresistance effect film 1, while the magnetoresistance effect magnetic head has the above-defined magnetoresistance effect device.

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