MAGNETIC PROPERTIES OF THIN FERROMAGNETIC FILMS AND THE PERFORMANCE CURVES OF FILM ELEMENTS OF MEMORY MATRICES (MAGNITNYE SVOISTVA TONKIKH FERROMAGNITNYKH PLENOK I RABOCHIE KHARAKTERISTIKI PLENOCHNYKH ELEMENTOV MATRITS ZAPOMINAYUSHCHIKH USTROISTV),
FOREIGN TECHNOLOGY DIV WRIGHT-PATTERSON AFB OHIO
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The development of magnetic film memories is impossible without investigations of the relationship of the performance curves of matrices to the magnetic properties of the elements and investigations of the patterns of variations in the geometric and technological parameters of the films. The direct aim of these investigations is the determination of the optimal magnetic properties of the films and the determination of their parameters. The present article investigates the dependence of the threshold characteristics of magnetic film elements of matrices on the coercive force of the shift domain boundaries H sub c, the uniaxial anisotropy field H sub k, and on the dispersion of the mean directions of film anisotropies. A study is made of the feasibility of optimizing the magnetic properties by the selection of films according to thickness and composition.
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