Magnetic bubble memory device

Details Magnetic bubble memory device Magnetic bubble memory device

1985-12-03

1988-09-06

Moffitt, James W.

Static information storage and retrieval

Magnetic bubbles

Guide structure

G11C 1908

Patent

active

047697830

ABSTRACT:
In a magnetic bubble memory device employing ion-implanted tracks as minor loops for data storage, there is proposed a magnetic bubble memory element employing a minor loop having a folded structure and a turn composed of three tips formed convexly toward an ion-implanted area and two cusps as an inside turn for accomplishing the folding with a center as the ion-implanted area. In this inside turn, the line connecting between the two cusps of the turn includes a gradient in the range of 90 degrees to 120 degrees in relation to the ion-implanted straight line tracks.

REFERENCES:
patent: 4276614 (1981-06-01), Nelson et al.
patent: 4394746 (1983-07-01), Hirko et al.
patent: 4528645 (1985-07-01), Sugita et al.

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