Magnetic bubble memory device

Details Magnetic bubble memory device Magnetic bubble memory device

1984-07-27

1985-12-17

Moffitt, James W.

Static information storage and retrieval

Magnetic bubbles

Guide structure

365 43, G11C 1908

Patent

active

045596174

ABSTRACT:
A high density magnetic bubble memory device comprises first magnetic bubble propagation tracks formed through ion implantation and second magnetic bubble propagation tracks formed of a soft magnetic material. Regions exclusive of those destined for realization of the second magnetic bubble propagation tracks are deeply ion-implanted. Gaps between the adjacent soft magnetic material films are also deeply ion-implanted. The second magnetic bubble propagation tracks may be shallowly ion-implanted or not implanted with ions.

REFERENCES:
patent: 4346456 (1982-08-01), Kinoshita et al.
patent: 4503517 (1985-03-01), Umezaki et al.

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