System for confirming the authenticity of an article using a mag

Details System for confirming the authenticity of an article using a mag System for confirming the authenticity of an article using a mag

1998-08-25

1999-11-02

Fridie, Jr., Willmon

Printed matter

Method

Identifying

283 79, 283 80, 283 82, 283 85, B32B 2902

Patent

active

059755814

ABSTRACT:
A method for confirming the authenticity of an article including placing a semi hard piece of material on an article then printing a magnetic pattern on the semi hard piece of material. In order to view the pattern, a viewer containing a suspension of materials will be placed over the semi hard piece of material. The suspension of materials will then orient in the presence of a magnetic field adjacent to the magnetic material.

REFERENCES:
patent: 5756220 (1998-05-01), Hoshino et al.

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