Fe group-based amorphous alloy ribbon and magnetic marker

Details Fe group-based amorphous alloy ribbon and magnetic marker Fe group-based amorphous alloy ribbon and magnetic marker

G - Physics

08

B

G08B 13/24 (2006.01) G01V 15/00 (2006.01) H01F 1/03 (2006.01) H01F 1/153 (2006.01)

Patent

CA 2216897

An Fe group-based amorphous alloy ribbon having a cross section having a width of from 100 to 900 µm and a thickness of from 8 to 50 µm and a magnetic hysteresis loop which exhibits a large Barkhausen discontinuity. The amorphous alloy ribbon is suitable for preparing magnetic markers for use in an anti-theft system and an article surveillance system, and as a pulse generator. A magnetic marker formed from the amorphous alloy ribbon is also disclosed.

Cette invention concerne un ruban en alliage amorphe du groupe Fe présentant une section de 100 à 900 m de largeur et de 8 à 50 m de hauteur et une boucle d'induction magnétique à hystérésis qui affiche un effet Barkhausen marqué. Le ruban en alliage amorphe en question convient à la préparation de marqueurs magnétiques d'un système antivol et d'un système de surveillance d'articles, ainsi que comme générateur d'impulsions. L'invention concerne également un marqueur magnétique réalisé à partir du ruban en alliage amorphe objet de l'invention.

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