Magnetic bubble store

Details Magnetic bubble store Magnetic bubble store

1984-04-04

1986-08-26

Moffitt, James W.

Static information storage and retrieval

Magnetic bubbles

Conductor propagation

365 15, G11C 1908

Patent

active

046086773

ABSTRACT:
The invention relates to a magnetic bubble store.
This store comprises a magnetic garnet layer (1), in which can be formed magnetic bubbles, which are respectively localized by cells. Each cell comprises a pair of localization windows (2, 3), respectively cut from conductive strips (4, 5) of a pair of conductive strips. These strips are insulated from one another and from the garnet and can be respectively traversed by currents (I.sub.1, I.sub.2) for displacing the bubble optionally located in the cell and means (21) for detecting each bubble. The memory is characterized in that the strips of each pair of strips have directions (X, Y) perpendicular to one another, the currents (I.sub.1 I.sub.2) in said strips being respectively parallel to said directions (X, Y).

REFERENCES:
patent: 3678479 (1972-07-01), Owens
patent: 4012724 (1977-03-01), Hanson et al.
patent: 4387443 (1983-06-01), Sakamoto
patent: 4493054 (1985-01-01), Boshra-Riad
patent: 4507754 (1985-03-01), Pougnet
AIP Conference Proceedings on Magnetism & Magnetic Materials, No. 24, (Dec. 3-6, 1974), T. J. Walsh et al, "Novel Bubble Drive", pp. 550-551.

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