Magnetic bubble memory device

Details Magnetic bubble memory device Magnetic bubble memory device

1985-02-27

1986-07-15

Moffitt, James W.

Static information storage and retrieval

Magnetic bubbles

Guide structure

G11C 1908

Patent

active

046010130

ABSTRACT:
Disclosed is a magnetic bubble memory device having a first bubble propagation path formed in an ion-implantation pattern and a second bubble propagation path made of permalloy elments in combination. The majority of the area for forming the second propagation path is processed by ion implantation in lower density and to smaller depth than those of ion implantation for forming the first propagation path on the surface of a bubble supporting layer.

REFERENCES:
patent: 4086572 (1978-04-01), Bullock
patent: 4171389 (1979-10-01), Gyorgy et al.
patent: 4346456 (1982-08-01), Kinoshita et al.

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