Magnetic bubble information writing device

Details Magnetic bubble information writing device Magnetic bubble information writing device

1976-08-24

1978-07-18

Moffitt, James W.

Static information storage and retrieval

Magnetic bubbles

Generators

365 33, 365 43, G11C 1908

Patent

active

041019717

ABSTRACT:
A magnetic bubble information writing device in which a conductor loop is disposed on the magnetic bubble propagation circuit and in which magnetic bubbles are generated by sending pulse current through the conductor loop, the device having a means which after having sent the bubble generating pulse current through the conductor loop, sends pulse current for annihilating stray bubbles through the same, the stray bubble annihilating pulse current having a polarity opposite to that of the bubble generating pulse current.

REFERENCES:
IEEE Transactions on Magnetics, vol. MAG-9, No. 3; Sep. 1973, pp. 474-480.
IBM Technical Disclosure Bulletin, vol. 13, No. 11, Apr. 1971, p. 3297.
IBM Technical Disclosure Bulletin, vol. 15, No. 6, Nov. 1972, pp. 2017-2018.
IBM Technical Disclosure Bulletin, vol. 19, No. 4, Sep. 1976, p. 1413.

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