Magnetic bubble domain gate arrangement

Details Magnetic bubble domain gate arrangement Magnetic bubble domain gate arrangement

1977-07-14

1979-09-11

Moffitt, James W.

Static information storage and retrieval

Magnetic bubbles

Plural interacting paths

365 33, 365 39, G11C 1908

Patent

active

041677900

ABSTRACT:
In a gate arrangement, an information input bubble is deflected from an input path into an output path when moving in proximity of a control bubble on a control path in the interaction zone. T- and I-shaped permalloy elements of the control path pattern are so disposed in the interaction zone to create a very stable control bubble position. At the intersection of the output and input paths the latter is situated at most at three times the nominal bubble diameter from the stable control bubble position. Past the intersection, the input path is as close as one bubble diameter to the control bubble so that the information bubble is necessarily deflected. With the gate layout described a bias margin as high as 11,5% is obtained.

REFERENCES:
patent: 3678287 (1972-07-01), Chow
patent: 4011461 (1977-03-01), Chang et al.

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