FIELD: making of documents protected against forgery. SUBSTANCE: contrivance protecting the document against forgery is made in the form of a discontinuous reflecting surface formed by a sequence of individual reflecting elements applied by transfer to one of the document sides and organized along the general direction of orientations. Each individual reflecting element has at the same time the size, making up several millimeters, and optimum density for the given reflecting area; the reflection phenomenon becomes apparent for the naked eye and blinds the known systems of documentary reproduction or optical analysis. The invention also concerns creation of a tape with carried reflecting ornament and method of making of such a document. EFFECT: enhanced reliability. 24 cl, 12 dwg
Authors
Dates
1996-05-27—Published
1992-07-09—Filed