Method for production of magnetic bubble memory device

Details Method for production of magnetic bubble memory device Method for production of magnetic bubble memory device

1983-02-09

1984-10-09

Newsome, John H.

Coating processes

Electrical product produced

Integrated circuit, printed circuit, or circuit board

365 36, 2504923, 427130, B05D 306

Patent

active

044761520

ABSTRACT:
Hydrogen ion is implanted twice or more at different acceleration voltages into desired portions of a magnetic film holding magnetic bubbles to form a magnetic bubble propagation path. This ensures production of an ion-implanted device having a sufficiently large anisotropic magnetic field parallel to the magnetic film and a high Curie temperature.

REFERENCES:
Wolfe et al, "The Bell System Tech. Jour.", (Jul.-Aug.-1972), pp. 1436-1440.
Ahn et al, "IEEE Trans. of Magnetics", vol. Mag-16, No. 1, (Jan. 1980), pp. 93-98.
Ju et al, "IBM J. Res. Develop.", vol. 25, No. 4, Jul. 1981, pp. 295-302.

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