Magnetic domain memory employing all-bubble logic elements

Details Magnetic domain memory employing all-bubble logic elements Magnetic domain memory employing all-bubble logic elements

1974-05-13

1978-04-18

Moffitt, James W.

Static information storage and retrieval

Magnetic bubbles

Logic

365 13, G11C 1908

Patent

active

040854523

ABSTRACT:
A magnetic domain memory including bubble operated access elements for non-destructively reading the memory, for erasing bubbles from the memory and for writing new data into the memory. The access elements comprise retrograde transient bubble switches, exclusive merge elements, disjoint crossover elements and bubble generators, all of which are all-bubble logic elements.

REFERENCES:
patent: 3743788 (1973-07-01), Krupp et al.
patent: 3750106 (1973-07-01), Caron
patent: 3824567 (1974-07-01), Sakalay
IBM Tech. Disc. Bull., "Angelfish Logical Connectives for Bubble Domains," by Almasi et al., vol. 13, No. 10, 3/71.

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