Magnetic bubble generator using plural conductors with common cu

Details Magnetic bubble generator using plural conductors with common cu Magnetic bubble generator using plural conductors with common cu

1989-02-09

1991-05-07

Moffitt, James W.

Static information storage and retrieval

Magnetic bubbles

Generators

G11C 1908

Patent

active

050142399

ABSTRACT:
In a magnetic bubble generator having an ion-implanted track (1), a conductor pattern is composed of hairpin conductor patterns (5, 6) of two layers with an insulating layer (12) interlaid, and a part of intersection of the fore end parts of the gaps of these hairpin conductor patterns (5,6) is positioned in the vicinity of a cusp (4) of the ion-implanted track (1). The hairpin conductors may be electrically connected to each other and may be supplied by a common source. Thereby an error to be caused by a generated bubble stretching so much as to be divided into a plurality of pieces can be prevented, and the bubble can be generated by a small current pulse, while the amplitude margin thereof is enlarged.

REFERENCES:
The Bell System Technical Journal, vol. 59, No. 2 (1980), pp. 229-257, by T. J. Nelson, et al.
IEEE, Trans. Magnetics, MAG-15, No. 6 (1979), pp. 1715-1717, by S. Matsuyama, et al.
IEEE, Trans. Magnetics, MAG-16 (1980), pp. 1389-1395, by Ryo Suzuki and Floyd B. Humphrey.

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