FIELD: printing.
SUBSTANCE: invention relates to a method of manufacturing a security or valuable document, which includes the following steps: B) multilayer material is produced, which comprises a paper substrate, a masking layer provided on the paper substrate in the masking area, and marking substance modified by laser radiation, provided in the marked area, at that the marked area covers the masking area, and L) the multilayer material in the marked area is subjected to laser action in order to create the negative signs in the masking area simultaneously in register and discolored signs on unmasked areas of the marked area. At that before performing the step L) on the masking layer at least in the marked area the recesses are made in the form of patterns, signs or a code.
EFFECT: invention provides a high degree of protection against forgery.
25 cl, 22 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| PROTECTION PROPERTY AND METHOD FOR ITS MANUFACTURE | 2008 |
|
RU2464177C2 |
| MARKED DATA CARRIER | 2011 |
|
RU2588446C2 |
| MULTI-LAYERED ARTICLE | 2001 |
|
RU2283777C2 |
| VALUABLE DOCUMENT | 2005 |
|
RU2381906C2 |
| METHOD OF PRODUCING DATA CARRIER PRINTED BY MEANS OF LASER, DATA CARRIER PRODUCED BY THE METHOD AND BLANK FOR THE CARRIER | 2001 |
|
RU2267406C2 |
| DATA MEDIUM WITH SEE-THROUGH PORTION | 2009 |
|
RU2508203C2 |
| MULTI-LAYERED IMAGE, IN PARTICULAR, MULTI-COLORED IMAGE | 2002 |
|
RU2286888C2 |
| MULTI-LAYER ELEMENT WITH AT LEAST ONE ELEMENT CONTAINING MATERIAL SENSITIVE TO LASER EMISSION | 2002 |
|
RU2294287C2 |
| DATA CARRIER HAVING WINDOW | 2010 |
|
RU2499674C1 |
| MULTILAYER BODY COMPRISING SUBSTRATE AT LEAST PARTLY CONSISTING OF PAPER MATERIAL, AND METHOD FOR MANUFACTURING OF LASER-INDUCED MARKING ON OR IN SUCH MULTILAYER BODY | 2002 |
|
RU2294416C2 |
