FIELD: identity card production technology. SUBSTANCE: method relates to personal identity documents such as credit cards with portrait section for owner's photograph. Located under covering layer 1 is intermediate layer 2 and/or jacket layer 3. Made in intermediate layer or jacket layer by means of laser ray are figurative points with various degree of light absorption. By means of laser method made is single-color portion and/or grey or black part of figure BL. In covering layer applied to this figure is additional colored part of figure BF. EFFECT: higher quality ensuring high degree of protection against adulteration. 9 cl, 2 dwg
Authors
Dates
1999-03-20—Published
1995-05-16—Filed