Security document and a method for producing it

Details Security document and a method for producing it Security document and a method for producing it

1995-02-21

1996-05-14

Vo, Peter

Printed matter

Having revealable concealed information, fraud preventer or...

Utilizing electromagnetic radiation

283 82, 283 83, 283901, 427 7, 428915, 162140, B42D 1502

Patent

active

055161537

ABSTRACT:
A security element for use in a security document such as a bank note, identity card or the like includes at least a partial metallic coating on a substrate and wherein the metallic coating includes recesses in the forms of characters or patterns that are visually recognizable at least in transmitted light and a magnetic coating of soft-magnetic pigments disposed in overlying relationship with the metallic coating. A security document containing the security element is also described. Various arrangements of metallic and magnetic coatings and a method of producing the security element are also described,

REFERENCES:
patent: 3790754 (1974-02-01), Black et al.
patent: 4114032 (1978-09-01), Brosow et al.
patent: 4183989 (1980-01-01), Tooth
patent: 4517268 (1985-05-01), Gruber et al.
patent: 4631223 (1986-12-01), Sander
patent: 4652015 (1987-03-01), Crane
patent: 5223360 (1993-06-01), Prengel et al.

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