Adjustable magnetic bias field structure for magnetic bubble dev

Details Adjustable magnetic bias field structure for magnetic bubble dev Adjustable magnetic bias field structure for magnetic bubble dev

1978-02-27

1979-05-08

Moffitt, James W.

Static information storage and retrieval

Magnetic bubbles

Bias

365 2, G11C 1908

Patent

active

041539486

ABSTRACT:
An adjustable magnetic bias field structure for magnetic bubble devices. A pair of parallel facing magnetically permeable plates are adjustably separated by a number of threaded magnetically hard cylindrical rods or slugs slotted at one end. Threaded plastic rings fastened around holes provided in the pair of permeable plates engage the threads of the slotted rods to provide the adjustment feature. A magnetic bubble device is placed between the two permeable plates.

REFERENCES:
patent: 3927397 (1975-12-01), Chow et al.
IBM Technical Disclosure Bulletin - vol. 16, No. 11, Apr. 1974, pp. 3692-3693.

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