Rounded serrated edge film strip geometry for cross-tie wall mem

Details Rounded serrated edge film strip geometry for cross-tie wall mem Rounded serrated edge film strip geometry for cross-tie wall mem

1977-01-03

1978-02-21

Moffitt, James W.

Static information storage and retrieval

Systems using particular element

Magnetic thin film

365 35, G11C 1908

Patent

active

040756122

ABSTRACT:
The design of a magnetic film strip for defining the data track of a cross-tie wall memory system is disclosed. The design involves the conformation or shaping of the opposing edges of the film strip into repetitive, rounded, asymmetrical serrated edge contours. The serrated edge shape structures the cross-tie of each cross-tie, Bloch-line pair at the narrowest width dimension across the film strip while the Bloch-line is positioned at the widest width dimension across the film strip or at the round, convex, portion of the repetitive serrated edge shape. The asymmetrical, rounded edge contour is substantially in alignment with the natural contour of the magnetization that is oriented around a Bloch-line that is positioned on the cross-tie wall, which cross-tie wall is aligned along and superposed the geometric centerline of the film strip.

REFERENCES:
AIP Conference on Magnetism & Magnetic Materials, Dec. 9-12, 1975, pp. 624-625.
IEEE Transactions on Magnetics, vol. Mag-10, 1974, pp. 564-566.

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