Static information storage and retrieval – Magnetic bubbles – Conductor propagation
Patent
1984-05-25
1985-03-26
Moffitt, James W.
Static information storage and retrieval
Magnetic bubbles
Conductor propagation
365 36, G11C 1908
Patent
active
045077541
ABSTRACT:
This device comprises an ionically implanted magnetic garnet layer, in which are defined non-implanted patterns and an electrically conductive layer superimposed on the garnet layer and insulated therefrom. The patterns are islands which are separated from one another. The electrically conductive layer has a first conductive coating having windows parallel to the first direction for respectively displacing the bubbles located between the patterns of the first pairs of patterns arranged parallel to a first direction, by a pulse-type current parallel to a first direction. The electrically conductive layer also has a second conductive coating superimposed on the first conductive coating and insulated therefrom and which has windows parallel to a second direction in order to respectively displace the bubbles between the patterns of the second pairs of patterns arranged parallel to a second direction, by a pulse-type current parallel to a second direction. Each first pair of patterns has a common pattern with each second pair of patterns.
REFERENCES:
patent: 4023150 (1977-05-01), Voegeli
patent: 4143419 (1979-03-01), Bobeck
patent: 4143420 (1979-03-01), Bobeck
patent: 4162537 (1979-07-01), Bobeck
patent: 4181979 (1980-01-01), Bobeck
Commissariat a l''Energie Atomique
Meller Michael N.
Moffitt James W.
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