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Two-stage annealing process for amorphous ribbon used in an EAS marker
Two-stage annealing process for amorphous ribbon used in an EAS marker
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机译:EAS标记中使用的非晶带的两阶段退火工艺
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摘要
A two-step continuous annealing process is applied to an amorphous metal alloy ribbon. During the first annealing step, a saturating transverse magnetic field is applied, and the field is omitted during the second annealing step. After the two annealing steps, the material is cut into discrete strips suitable for use as active elements in pulsed-field magnetomechanical EAS markers. The resulting markers exhibit satisfactory total frequency shift and ring-down signal amplitude characteristics, without excessive sensitivity to bias field variations.
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