Magnetoresistive magnetic head

Details Magnetoresistive magnetic head Magnetoresistive magnetic head

G - Physics

11

B

352/29.4

G11B 5/39 (2006.01)

Patent

CA 1062369

ABSTRACT: A magnetic head having a magnetoresistive ele- ment. The element comprises a centre tap, while on the left-hand half a pattern of equipotential strips is provided at an angle with the longitudinal direction of approximately 45° and on the right-hand half a pattern of equipotential strips is provided at an angle of approximately 135° with the longitudinal direction. The halves are each controlled with a current source and their output signals are subtracted from each other. The relation between the resistance of the total element and the value of external magnetic fields is better linear than in known magnetic heads having a magnetoresistive element, while thermal noise is eliminated.

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