Annealed amorphous alloys for magneto-acoustic markers

Details Annealed amorphous alloys for magneto-acoustic markers Annealed amorphous alloys for magneto-acoustic markers

H - Electricity

01

F

H01F 1/153 (2006.01) G08B 13/24 (2006.01)

Patent

CA 2420403

A ferromagnetic resonator for use in a marker in a magnetomechanical electronic article surveillance system is manufactured at reduced cost by being continuously annealed with a tensile stress applied along the ribbon axis and by providing an amorphous magnetic alloy containing iron, cobalt and nickel and in which the portion of cobalt is less than about 4 at%.

L'invention se rapporte à un résonateur ferromagnétique conçu pour être utilisé dans un marqueur de système électronique de surveillance d'articles magnétomécaniques. On fabrique ce résonateur à coût réduit en le soumettant à un recuit en continu tout en lui appliquant une contrainte de traction le long de l'axe du ruban et en utilisant un alliage magnétique amorphe contenant du fer, du cobalt et du nickel et dans lequel la proportion de cobalt est inférieure à environ 4 % en nombre d'atomes.

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