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DISPOSITIF MAGNÉTIQUE À BASE DE MLU AYANT UNE FONCTION D'AUTHENTIFICATION ET PHYSIQUE INCLONABLE ET PROCÉDÉ D'AUTHENTIFICATION UTILISANT LEDIT DISPOSITIF MLU
DISPOSITIF MAGNÉTIQUE À BASE DE MLU AYANT UNE FONCTION D'AUTHENTIFICATION ET PHYSIQUE INCLONABLE ET PROCÉDÉ D'AUTHENTIFICATION UTILISANT LEDIT DISPOSITIF MLU
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摘要
The present disclosure concerns a MLU-based magnetic device (100) comprising a plurality of MLU-based magnetic cell (10), each MLU cell (10) comprising a first ferromagnetic layer (21) having a first magnetization (210), a second ferromagnetic layer (23) having a second magnetization (230), and a spacing layer (22) between the first and second ferromagnetic layers (21, 23); an input device (4) configured for generating an input signal (44) adapted for changing the orientation of the first magnetization (210) relative to the second magnetization (230) and vary a resistance (R) of the MLU device (100); a bit line (3) configured for passing a sense signal (31) adapted for measuring said resistance (R); and a processing unit (51) configured for computing an electrical variation from the sense signal (31) and outputting an electrical variation signature (50). The present disclosure further pertains to an authentication method for reading the MLU device.
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