Identification card and a method of producing same

Details Identification card and a method of producing same Identification card and a method of producing same

1985-05-01

1988-03-22

Bell, Paul A.

Printed matter

Method

283114, 283904, 283 75, 283100, 346 76L, B42D 1500

Patent

active

047324104

ABSTRACT:
An identification card having information applied in the form of patterns, letters, numbers and/or images, formed by interruptions in the homogeneity of different colored layer areas arranged superjacently on the identification card. The colored information can be produced by selectively removing the color layers by means of a controlled laser beam or by blurring or other chemical reactions induced by said beam. Thus identification cards can be produced having a high standard of security in spite of the simplicity of their production.

REFERENCES:
patent: 2929736 (1960-03-01), Miller et al.
patent: 3351948 (1967-11-01), Bonn
patent: 3792481 (1974-02-01), Nagashima
patent: 4214249 (1980-07-01), Kasai et al.
patent: 4523777 (1985-06-01), Holbein et al.

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