Bubble lattice initialization

Details Bubble lattice initialization Bubble lattice initialization

1974-10-25

1976-04-27

Moffitt, James W.

Communications: electrical

Digital comparator systems

G11C 1114

Patent

active

039538427

ABSTRACT:
A method of providing an initial lattice containing magnetic bubble domains in a film is disclosed. The method includes a first step of providing a confinement area in a film to contain magnetic domains, a second step of applying an AC in-plane magnetic field to form a plurality of rows of substantially perfect parallel stripe domains, and a third step of cutting the stripe domains into bubbles to form a substantially perfect lattice containing bubble domains.

REFERENCES:
patent: 3753814 (1973-08-01), Pulliam
patent: 3869683 (1975-03-01), Sokolski
patent: 3876996 (1975-04-01), Myer
Amer. Inst. of Physics, AIP Conf. Proc., No. 5 Part 1, "Bubble Lattices" by DeJonge et al., pp. 130-134; 11/16-19/71.
IBM Tech. Disc. Bull., "Bubble Domain Devices in Magnetic Sheets of Variable Thickness" by Ramankin, Vol. 14, No. 6, 11/71; pp. 1806, 1807.
Bell System Tech. Journal, "Properties & Device Applications of Magnetic Domains in Orthoferrites" by Bobeck, Vol. XLVI, No. 8, 10/67, pp. 1901-1925.

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