Magnetic flux guide having tongues and magnetoresistive transduc

Details Magnetic flux guide having tongues and magnetoresistive transduc Magnetic flux guide having tongues and magnetoresistive transduc

1994-08-24

1996-06-04

O'Shea, Sandra L.

Electricity: measuring and testing

Magnetic

Magnetometers

324360, 360113, 338 32R, G01R 3306

Patent

active

055236871

ABSTRACT:
Magnetic flux guide having tongues and magnetoresistive transducer incorporating said guide. A transducer is provided which includes a magnetic flux guide having first and second parts longitudinally separated by a head gap and a magnetoresistive bar positioned facing and along the head gap. The first and second guide parts are provided on their edges contiguous with the head gap respectively with a first and second series of tongues separated by spacers. The tongues of the first part extend into the spaces of the second part and vice versa.

REFERENCES:
patent: 4587509 (1986-05-01), Pitt et al.
patent: 4791365 (1988-12-01), Johannes et al.
patent: 5119025 (1992-06-01), Smith et al.
patent: 5260653 (1993-11-01), Smith et al.
Magnetoresistance of Multilayers--Yamamoto et al., IEEE Translation Journal on Magnetics In Japan, vol. 7, No. 9, Sep. 1992.
Oscillations In Giant Magnetoresistance and Antiferromagnetic Coupling in [Ni.sub.81 Fe.sub.19 /Cu].sub.N Multilayers--Parkin, Applied Phys. Lett. 60 (4), Jan. 27, 1992.
Giant Magnetoresistance in Ni-Fe/Cu Multilayers Formed by Ion Beam Sputtering--Nakatani et al., IEEE Transactions on Magnetics, vol. 28, No. 5, Sep. 1992.
Magnetoresistive Properties and Thermal Stability of Ni-Fe/Ag Multilayers--Rodmacq et al., Journal of Magnetism and Magnetic Materials, 118 (1993) L11-L16 North-Holand.

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