Static information storage and retrieval – Systems using particular element – Magnetoresistive
Reexamination Certificate
2008-01-01
2008-01-01
Elms, Richard T. (Department: 2824)
Static information storage and retrieval
Systems using particular element
Magnetoresistive
C365S171000, C365S173000
Reexamination Certificate
active
11636616
ABSTRACT:
The present invention relates to a magnetoresistive hybrid memory cell comprising a first stacked structure comprising a magnetic tunnel junction including first and second magnetic regions stacked in a parallel, overlying relationship separated by a layer of non-magnetic material, wherein said first magnetic region being provided with a fixed first magnetic moment vector and said second magnetic region being provided with a free second magnetic moment vector which is free to be switched between the same and opposite directions with respect to said fixed first magnetic moment vector of said first magnetic region, a second stacked structure being at least partly arranged in a lateral relationship as to said first stacked structure and comprising a third magnetic region being provided with a fixed third magnetic moment vector and said second magnetic region; wherein said first and second structures being arranged in between at least two electrodes in electrical contact therewith. It further relates to a method of writing to and reading of a magnetoresistive hybrid memory cell, wherein a writing voltage pulse is applied to electrodes on both sides of only said second structure, and wherein a reading voltage pulse is applied to electrodes on both sides of only said first structure.
REFERENCES:
patent: 6072718 (2000-06-01), Abraham et al.
patent: 7088611 (2006-08-01), Braun
Miltat Jacques
Nakatani Yoshinobu
Altis Semiconductor SNC
Centre National de la Recherche Scientifique "CNRS"
Edell Shapiro & Finnan LLC
Elms Richard T.
Infineon - Technologies AG
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