Magnetoresistive element

Details Magnetoresistive element Magnetoresistive element

1997-02-06

1999-03-02

Evans, Elizabeth

Stock material or miscellaneous articles

Structurally defined web or sheet

Discontinuous or differential coating, impregnation or bond

360113, 324252, B32B 300

Patent

active

058768432

ABSTRACT:
A surface structure of a magnetoresistive film includes a magnetosensitive portion surrounded by a peripheral portion including at least an electrode film and a magnetic film underlying the electrode film for applying a unidirectional magnetic field onto the magnetosensitive portion. Side edges of the magnetoresistive film are covered by the magnetic film to be separated from the electrode film. An insulation film is on at least a peripheral area of a top surface of the magnetoresistive film so that a part of the electrode film extends on the insulating film so that the top surface of the magnetoresistive film is separated by the insulating film from the electrode film so as to keep an effective area of the magnetoresistive film in an actual area thereof.

REFERENCES:
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Robert P. Hunt, "A Magnetoresistive Readout Transducer", IEEE Transactions on Magnetics. vol. MAG-7, No. 1, Mar. 1971, pp. 150-154.

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