Magnetic bubble memory with expander-detector arrangement

Details Magnetic bubble memory with expander-detector arrangement Magnetic bubble memory with expander-detector arrangement

1978-04-24

1980-01-01

Moffitt, James W.

Static information storage and retrieval

Magnetic bubbles

Detectors

365 19, 365 43, G11C 1908

Patent

active

041819780

ABSTRACT:
An expander-detector arrangement for a conductor-access, magnetic bubble memory is realized by the inclusion in an electrically-conducting layer in which bubble propagation currents are impressed sets of apertures operative to enlarge a bubble laterally. For this purpose increasingly greater numbers of apertures are arranged laterally with respect to the axis of bubble movement through successive stages of the expander-detector arrangement. The actual detector is formed at the stage including the maximum number of apertures.

REFERENCES:
patent: 3702995 (1972-11-01), Bobeck et al.
patent: 3967002 (1976-06-01), Almasi et al.
patent: 4067002 (1978-01-01), Chang

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