Permanent magnet biased narrow track magnetoresistive transducer

Details Permanent magnet biased narrow track magnetoresistive transducer Permanent magnet biased narrow track magnetoresistive transducer

1984-08-13

1986-11-18

Goldberg, E. A.

Electrical resistors

Resistance value responsive to a condition

Magnetic field or compass

338 32H, 360113, H01L 4300

Patent

active

046238670

ABSTRACT:
A narrow track magnetoresistive transducer has a square shaped bias permanent magnet superposed with an MR element. The square shaped magnet provides bias field components of substantially the same magnitude in both hard and easy axis directions of the MR element. A stable and uniform bias field is thereby obtained.

REFERENCES:
patent: 3921218 (1975-11-01), Kayser
patent: 4097802 (1978-06-01), Mahopac
patent: 4103315 (1978-07-01), Hempstead et al.

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