Journal
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS
Volume 254, Issue -, Pages 598-602Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/S0304-8853(02)00930-7
Keywords
amorphous systems-soft magnetic; anisotropy-magnetoelastic, perpendicular, planar; domain pattern variations; magnetomechanical coupling; non-linear susceptibility; sensors
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Sensors for electronic article surveillance have meanwhile become a mass application for sophisticated soft magnetic materials. A specifically designed magnetization behavior allows, to reliably detect the tiny little sensors over distances up to several meters and to distinguish them from other magnetic objects. The article surveys the most widespread systems and gives an insight into the material technology behind these security labels. (C) 2002 Elsevier Science B.V. All rights reserved.
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