SAFETY MEMBER FOR CONTROLLING AUTHENTITY OF PROTECTED PRINTED PRODUCTS AND PROTECTED PRINTED PRODUCTS
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...
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Main Authors | , , , , , , , , , , , |
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Format | Patent |
Language | English Russian |
Published |
27.11.2006
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Subjects | |
Online Access | Get full text |
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Summary: | 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 |
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Bibliography: | Application Number: RU20050110438 |