Magnetic multilayer film, magnetoresistance element, and method

Details Magnetic multilayer film, magnetoresistance element, and method Magnetic multilayer film, magnetoresistance element, and method

1996-01-31

1998-07-21

Yamnitzky, Marie

Stock material or miscellaneous articles

Structurally defined web or sheet

Including variation in thickness

428163, 428164, 428167, 428692, 428693, 428900, 428141, 428147, 428148, 428611, 360113, 324252, 338 32R, G11B 5127, B32B 300

Patent

active

057832846

ABSTRACT:
In a magnetoresistance multilayer film comprising at least two magnetic layers on a substrate, with a nonmagnetic layer intervening between the magnetic layers, each interface between the magnetic layer and the nonmagnetic layer is corrugated in both X and Y directions of a substrate major surface. The corrugations of the interface are formed by providing the substrate surface with a multiplicity of asperities distributed in both X and Y directions and depositing magnetic layers and nonmagnetic layers thereon. The film shows a linear rise of MR change in an applied magnetic field within a very low range of 0 to about 40 Oe.

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H. Yamamoto et al. "Magnetoresistance of Multilayer with Two Magnetic Components". Journal of Magnetism and Magnetic Materials, pp. 243-252. 1991.
J. Appl. Phys., vol. 75, No. 10, pp. 6709-6713, May 15, 1994, M. A. M. GIJS, et al., "Perpendicular Giant Magnetoresistance of Microstructures IN Fe/Cr and Co/Cu Multilayers (Invited)".

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