MAGNETOMECHANICAL MARKER WITH THE ANNORED AMORPHIC ELEMENT IN THE PRESENCE OF A TRANSVERSE MAGNETIC FIELD AND PROCEDURE FOR ITS MANUFACTURE.

摘要

A BAND IN THE FORM OF A TAPE OF AMORPHOUS MAGNETIC ALLOY IS TREATED THROUGH HEAT WHILE APPLYING A TRANSVERSE MAGNETIC FIELD. THE TREATED STRIP IS USED IN A MARKER FOR AN ELECTRONIC ARTICLE SURVEILLANCE SYSTEM. A PREFERRED MATERIAL FOR THE STRIP IS FORMED OF IRON, COBALT, SILICON AND BORON WITH A PROBATION OF COBALT IN EXCESS OF 30% OF THE ATOMIC PERCENTAGE.