| 摘要 |
<p>A method for making an activatable and/or deactivatable magnetic ink for printing, on all types of products, magnetic indicia in replacement of anti-theft tags or filaments, wherein said printed indicia can be detected by security magnetic or electromagnetic gates. The printed ink includes iron, iron oxide and a ferrosilicon cobalt or ferrosilicon nickel alloy in powder form, in an organic binder.</p> |
