Security paper for currency and bank notes

Details Security paper for currency and bank notes Security paper for currency and bank notes

1989-11-09

1990-07-17

Bell, Paul A.

Printed matter

Having revealable concealed information, fraud preventer or...

Utilizing electromagnetic radiation

1566591, B42D 1500, C23F 100

Patent

active

049416871

ABSTRACT:
A metallized plastic strip containing security indicia is incorporated within currency paper to deter counterfeiting. The plastic strip is made difficult to detect under reflected light by selective pigmentation to match the currency inks. The presence of the security indicia is verified by detection under transmitted light.

REFERENCES:
patent: 2435889 (1948-02-01), Kerridge
patent: 2506164 (1950-05-01), Morse
patent: 2558504 (1951-06-01), Aller
patent: 3935334 (1976-01-01), Narui et al.
patent: 4186943 (1980-02-01), Lee
patent: 4242378 (1980-12-01), Arai
patent: 4398994 (1983-08-01), Beckett
patent: 4462867 (1984-07-01), Fuller
patent: 4652015 (1987-03-01), Crane
patent: 4761205 (1988-08-01), Crane

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