Bubble memory device and method of manufacturing the same

Details Bubble memory device and method of manufacturing the same Bubble memory device and method of manufacturing the same

1982-07-28

1984-09-04

Moffitt, James W.

Static information storage and retrieval

Magnetic bubbles

Disposition of elements

29607, G11C 1908

Patent

active

044701314

ABSTRACT:
A bubble memory device comprises an insulating substrate holding a bubble memory chip secured thereto, X- and Y-direction driving coils wound on the insulating substrate for providing an in-plane rotating filed to the chip, a lead frame secured to edge portions of the insulating substrate, and magnet blocks disposed above and below the coils and including permanent magnets and field homogenizer plates for providing a bias field to the chip. The magnet blocks are molded together with the insulating substrate, coils and lead frame.

REFERENCES:
patent: 4150440 (1979-04-01), Bonnie et al.
patent: 4164790 (1979-08-01), Michaelis
Western Electric Technical Digest-No. 62, Apr. 1981, pp. 11 and 12.
Electronics-Aug. 2, 1979; pp. 99-108.

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