Magnetic bubble memory device with guardrail

Details Magnetic bubble memory device with guardrail Magnetic bubble memory device with guardrail

1982-02-04

1984-06-26

Moffitt, James W.

Static information storage and retrieval

Magnetic bubbles

Guide structure

G11C 1908

Patent

active

044569750

ABSTRACT:
The magnetic bubble memory device according to this invention comprises an active magnetic bubble memory region formed by implanting ions into a layer of magnetic bubble material, a propagation loop having inner and outer propagation tracks formed by ion implantation so as to surround this region and to propagate captured magnetic bubbles along the circumference of this region, and at least one opening portion provided at the propagation loop so as to propagate magnetic bubbles in the inner propagation track to the outer propagation track.

REFERENCES:
patent: 4263662 (1981-04-01), Keefe et al.
patent: 4283776 (1981-08-01), Nelson

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