Magnetoresistance effect head in which a magnetoresistance effec

Details Magnetoresistance effect head in which a magnetoresistance effec Magnetoresistance effect head in which a magnetoresistance effec

1997-03-13

1999-04-13

Wolff, John H.

Dynamic magnetic information storage or retrieval

Head

Hall effect

360125, G11B 5127

Patent

active

058943846

ABSTRACT:
The magnetic head comprises two magnetoresistance effect elements and a soft magnetic film connecting end portions of the magnetoresistance effect elements with each other. The two magnetoresistance effect elements and the soft magnetic film are arranged in series so as to form a single magnetic circuit, and a magnetic gap is provided in the side of a surface facing a magnetic medium. Magnetic flux from the magnetic medium is introduced into the magnetoresistance effect elements through the magnetic gap. An insulating material may be used to fill the magnetic gap.

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B. Dieny, "Giant magnetoresistance in spin-valve multilayers", (1994) Journal of Magnetism and Magnetic Materials 136, pp. 335-359.
B. Dieny, V.S. Speriosu, S.S.P. Parkin, B.A. Gurney, D.R. Wilhoit, and D. Mauri, "Giant Magnetoresistance in soft ferromagnetic multilayers", (1991), The American Physical Society Vol. 43, No. 1, pp. 1297-1299.
H. Fujimori, S. Mitani, S. Ohnuma, "Tunnel-type GMR in metal-normetal granular alloy thin films", (1995) Materials Science & Engineering B31, pp. 219-223.

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