Magnetic bubble memory

Details Magnetic bubble memory Magnetic bubble memory

1985-02-01

1987-08-25

Moffitt, James W.

Static information storage and retrieval

Magnetic bubbles

Plural interacting paths

G11C 1908

Patent

active

046897690

ABSTRACT:
A magnetic bubble memory has the longitudinal direction of a minor loop, i.e. a row of permalloy patterns, on a magnetic film of a (111) crystal plane aligned with the [110] crystal axis of the magnetic film. By aligning the direction of bubble transfer in the minor loop with the [110] crystal axis, the bias magnetic field margin, .DELTA.H.sub.B, is enabled to increase and the strength of the holding magnetic field, H.sub.DC, is enabled to decrease.

REFERENCES:
IEEE Transactions on Magnetics--Vol. Mag-15, No. 9, Sep. 1979; pp. 1323-1325.
Electronics-Aug. 2, 1979; pp. 99-108.
IBM Technical Disclosure Bulletin--vol. 21, No. 10, Mar. 1979; p. 4258.

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