Single wall domain, stripe domain memory plane

Details Single wall domain, stripe domain memory plane Single wall domain, stripe domain memory plane

1976-08-02

1978-10-24

Moffitt, James W.

Static information storage and retrieval

Magnetic bubbles

Strip domain

365 2, 365 12, 365 30, 365 32, 365 34, 365 36, G11C 1908

Patent

active

041225384

ABSTRACT:
A laminated, integral structure that forms a bubble memory plane for the generation, storage and transfer of single wall domains, bubble domains or bubbles is disclosed. The memory plane is formed of a non-magnetic gadolinium gallium garnet (GGG) support member; formed upon the support member is a magnetizable layer that is capable of sustaining stripe domains; formed upon the stripe domain layer is a non-magnetic gadolinium gallium garnet (GGG) spacer layer; and, formed upon the spacer layer is a magnetizable layer in which single wall domains or bubbles are capable of being generated, sustained and transferred from one position to another along a planar dimension of the bubble domain layer.

REFERENCES:
patent: 3706081 (1972-12-01), Bobeck et al.
patent: 3887905 (1975-06-01), Bobeck et al.
patent: 3916395 (1975-10-01), Urai
patent: 3940750 (1976-02-01), Voegeli
patent: 3944842 (1976-03-01), Dorleijn et al.
patent: 3996571 (1976-12-01), Chang

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