Magnetic bubble memory device

Details Magnetic bubble memory device Magnetic bubble memory device

1987-05-05

1989-06-06

Moffitt, James W.

Static information storage and retrieval

Magnetic bubbles

Generators

365 36, G11C 1908

Patent

active

048377414

ABSTRACT:
In a magnetic bubble memory device in which a major line and minor loops are constituted by ion-implanted tracks, a gate is constituted having two functions, i.e., having a replicate function and a pseudo swap function using conductor patterns of two layers that overlap on both the major line and on the minor loops. By controlling the pulsed current supplied to the conductor patterns of the two layers, the replicate function divides the bubble in the minor loop into two bubbles, so that one of the bubbles is taken onto the major line and is propagated to the detector. The pseudo swap function annihilates the bubble in the minor loop, divides the bubble on the major line into two bubbles and introduces one of them into the minor loop, thereby to realize the same function as that of the conventional swap gate.

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