FIELD: printing industry.
SUBSTANCE: member has strip having polymer film layer bearing at least one opaque layer of optical density greater than 1.5 having images and/or symbols and/or signs cut out and at least one semitransparent layer of optical density less than 1.5. The semitransparent layer has optical density varying in length and/or width according to a predefined rule to let optical density in opaque layer cuts vary.
EFFECT: enhanced effectiveness in protecting products against falsification.
14 cl, 2 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| MULTILAYER PROTECTIVE ELEMENT (VERSIONS), COUNTERFEIT PROTECTED MATERIAL AND PRINTING PRODUCT | 2007 |
|
RU2344047C1 |
| PROTECTION ELEMENT FOR CONTROLLING AUTHENTICITY OF PROTECTED PRINTED PRODUCTS AND PROTECTED PRINTED PRODUCTS | 2004 |
|
RU2260087C1 |
| PROTECTIVE MEMBER FOR CONTROLLING AUTHENTICITY OF PROTECTED PRINTING PRODUCT AND PROTECTED PRINTING PRODUCT | 2005 |
|
RU2296677C2 |
| METHOD FOR MANUFACTURING OF PAPER WITH PROTECTIVE MEMBER FOR CONTROLLING AUTHENTICITY OF PROTECTED GRAPHIC PRODUCTS, PROTECTIVE MEMBER FOR CONTROLLING AUTHENTICITY OF PROTECTED GRAPHIC PRODUCTS AND PAPER WITH PROTECTIVE MEMBER | 2005 |
|
RU2296191C1 |
| MULTILAYER POLYMER-BASED PRODUCT PROTECTED AGAINST FORGERY | 2014 |
|
RU2594280C2 |
| PROTECTED MEDIA WITH OPTICALLY VARIABLE EFFECT AND METHOD OF PROTECTED MEDIA MANUFACTURING | 2017 |
|
RU2651339C1 |
| PROTECTION ELEMENT FOR COUNTERFEIT PROTECTION, PROTECTED PRINTED PRODUCTION AND METHOD OF PROTECTED PRINTED PRODUCTION | 2007 |
|
RU2344045C1 |
| PROTECTIVE ELEMENT ON BASIS OF MULTILAYER TRANSPARENT COLOUR-CONTRAST DAMAGED POLYMER STRUCTURE FOR PROTECTED PRINTING ITEM, METHOD OF ITS PRODUCTION, MATERIAL AND PRINTING ITEM WITH COUNTERFEIT PROTECTION | 2008 |
|
RU2374080C1 |
| COUNTERFEIT-PROTECTED DATA MEDIUM AND METHOD FOR PRODUCTION THEREOF | 2012 |
|
RU2503767C1 |
| METHOD FOR MANUFACTURING BOND PAPER PROTECTED FROM FORGERY AND SUCH BOND PAPER | 2006 |
|
RU2331725C1 |
