One-level switch for magnetic bubble domain devices

Details One-level switch for magnetic bubble domain devices One-level switch for magnetic bubble domain devices

1977-07-28

1978-12-05

Moffitt, James W.

Static information storage and retrieval

Magnetic bubbles

Generators

365 43, G11C 1908

Patent

active

041288963

ABSTRACT:
There is provided a switch which is useful in magnetic bubble domain devices. This switch can be used to replicate, transfer or annihilate bubble domains in a magnetic bubble domain memory system. The switch comprises a half-disk (or pick-axe) shaped element which is disposed adjacent to two juxtaposed magnetic bubble domain propagation paths.
A re-entrant current path conductor is integrally connected to the half-disk element and associated with at least one of the propagation paths whereby magnetic bubble domains can be stretched, cut, annihilated or the like in response to a control current signal.
Optional bar elements are associated with the half disk elements of the switch to improve the operating characteristics thereof.

REFERENCES:
patent: 3810133 (1974-05-01), Bobeck et al.
patent: 4007453 (1977-02-01), Bonyhard et al.

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