Static information storage and retrieval – Magnetic bubbles – Guide structure
Patent
1979-12-03
1981-08-11
Moffitt, James W.
Static information storage and retrieval
Magnetic bubbles
Guide structure
365 15, G11C 1908
Patent
active
042837766
ABSTRACT:
A gap between sets of contiguous discs defined by nonimplanted regions in an otherwise ion-implanted bubble layer allows an isolation between bubbles which leads to the achievement surprisingly close spacing between neighboring bubble paths. The misalignment of the gap axis with an axis of symmetry of the bubble layer is an important consideration in realizing the isolation.
REFERENCES:
patent: 4040019 (1977-08-01), Bullock
IBM Technical Disclosure Bulletin-vol. 17, No. 7, Dec. 1974, pp. 2196-2197.
Journal of Vacuum Science & Technology-vol. 15, No. 5, Sep./Oct. 1978, pp. 1675-1684.
Bell Telephone Laboratories Incorporated
Moffitt James W.
Shapiro Herbert M.
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