Bistable magnetic bubble domain devices

Details Bistable magnetic bubble domain devices Bistable magnetic bubble domain devices

1974-09-20

1976-09-07

Canney, Vincent P.

Communications: electrical

Digital comparator systems

G11C 1114, G11C 1142

Patent

active

039797376

ABSTRACT:
A magnetic film is incorporated in a device suitable for use with a computer; the film is capable of supporting magnetic bubble domains of two different sizes corresponding to stable hysteresis states which exist simultaneously under the same external magnetic field bias. When densely packed in an array, the bistable magnetic bubble domains form the basis for binary coded data storage. Single crystal garnet and amorphous intermetallic compounds may be employed as bistable bubble domain materials.

REFERENCES:
patent: 3523286 (1970-08-01), Bobeck et al.
patent: 3786452 (1974-01-01), Guesic
patent: 3836895 (1974-09-01), De Jonge
patent: 3866190 (1975-02-01), De Jonge et al.

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