Magnetic bubble information writing device

Details Magnetic bubble information writing device Magnetic bubble information writing device

1976-10-12

1978-10-10

Curtis, Marshall M.

Static information storage and retrieval

Magnetic bubbles

Disposition of elements

365 7, 365 11, 365 22, G11C 1900

Patent

active

041200420

ABSTRACT:
A magnetic bubble information writing device capable of carrying out writing without erasing old information representing either "0" or "1" at a location, where new information is to be written, by means of only a single hairpin-like conductor loop is disclosed, in which the single hairpin-like conductor loop is disposed at a projecting portion of permalloy patterns, enclosing the portion.

REFERENCES:
patent: 3599190 (1971-08-01), Smith
patent: 3753250 (1973-08-01), Yamauchi
patent: 3778789 (1973-12-01), Watanabe
patent: 3803591 (1974-04-01), Watanabe
patent: 3810133 (1974-05-01), Bobeck
patent: 3820089 (1974-06-01), Lama
patent: 3820091 (1974-06-01), Kohara
patent: 3895363 (1975-07-01), Braginski et al.
patent: 3971005 (1976-07-01), Buhrer
Operational Char. of 10.sup.3 -Bit Garnet Y-Bar Shift Register, Danylchuk; Jour. App. Phys, vol. 42, #4, pp. 1358-1359, 3/15/71.

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