Magnetic bubble memory device and method of fabricating the same

Details Magnetic bubble memory device and method of fabricating the same Magnetic bubble memory device and method of fabricating the same

1979-04-13

1982-08-10

Moffitt, James W.

Static information storage and retrieval

Magnetic bubbles

Guide structure

365 32, G11C 1908

Patent

active

043441530

ABSTRACT:
A magnetic bubble memory device and a method of fabricating the device are disclosed in which a conductor pattern lies at least between a film for maintaining magnetic bubbles therein, and a soft magnetic material pattern. Further, the magnetic bubble memory device can be formed precisely without suffering from errors due to mask alignment, by employing a mask provided with a plurality of patterns which are different in transmittance.

REFERENCES:
patent: 4001793 (1977-01-01), Henry et al.
patent: 4172758 (1979-10-01), Bailey et al.
patent: 4178635 (1979-12-01), Rose
patent: 4187553 (1980-02-01), Ahn et al.
patent: 4299680 (1981-11-01), Fontana, Jr.
patent: 4305137 (1981-12-01), Hiroshima et al.
AIP Conference Proceedings on Magnetism & Magnetic Materials--No. 24; Dec. 3-6, 1974, pp. 624-626.

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