Magnetic bubble memory device

Details Magnetic bubble memory device Magnetic bubble memory device

1984-04-24

1986-04-22

Moffitt, James W.

Static information storage and retrieval

Magnetic bubbles

Guide structure

G11C 1908

Patent

active

045846685

ABSTRACT:
A magnetic bubble memory device has two types of magnetic bubble propagation tracks. One type of magnetic bubble propagation tracks are formed by implanting ions into a magnetic layer. The other are formed by a soft magnetic material, for example, a permalloy. At least the area where the soft magnetic material is located has a smaller thickness than the other area.

REFERENCES:
patent: 4086572 (1978-04-01), Bullock
patent: 4453231 (1984-06-01), Kodama et al.
patent: 4503517 (1985-03-01), Umezaki et al.
IBM Journal of Research & Development-Mar. 1976, pp. 132-137.

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