RU2322356C1 - Information carrier, protected from falsification, and method for its manufacture - Google Patents

Abstract

FIELD: information carriers, and methods for manufacture thereof.

SUBSTANCE: falsification-protected information carrier has at least one section, imprinted using metallographic printing method, consisting of profiled lines, which constitute an image. Given profiled lines have colored layer on part of their length and are made with production of non-imprinted continuation, while a smooth color transition is formed at the boundary between imprinted and non-imprinted section of line.

EFFECT: ensured high degree of protection of polygraphic products from falsification, with simple technology for manufacturing it.

2 cl, 1 dwg

Description

The invention relates to methods for manufacturing counterfeit printing products, such as securities, banknotes, identity cards, etc.

A known method of manufacturing securities, including exposure to a metallographic printing form on a medium for transferring the ink layer and the subsequent formation of an image to protect the paper from counterfeiting. A metallographic printing plate is used, on the surface of which deepened lines are made. According to this method, a security paper is obtained with a printed image used to protect papers from counterfeiting and to determine their authenticity (patent RU No. 2249640 - prototype).

The limitation of this method of manufacturing a tamper-resistant information carrier is the sufficient complexity of visual verification of the authenticity of the information carrier, since it is unstable to obtain a clear transition between different sections of the colorful relief along the length of the recessed lines of the form.

The technical result of the proposed technical solution is to increase the effectiveness of visual verification of the authenticity of the information carrier and simplify the technology of its manufacture.

This technical result is achieved by the fact that in the information medium protected from forgery, having at least one area sealed by the method of metallographic printing, consisting of embossed lines forming an image, according to the invention, embossed lines have a colorful layer on part of their length to produce unsealed continuation of the relief lines, while a smooth colorful transition was made at the junction of the sealed and unsealed line section.

In a method of manufacturing a counterfeit-protected information medium, including sealing using an metallographic printing form of at least one of the sections on the information medium for using the obtained image for authenticity, according to the invention, the ink is rolled over part of the length of the recessed lines of the printed metallographic form, at the same time, due to the extrusion of paint along the recessed lines, a smooth colorful transition is achieved at the junction of the rolled-up line section and the section iny without paint.

The invention is illustrated in the drawing, which shows an image formed by embossed lines. The embossed lines have a sealed area with an ink layer 1 and an unsealed area 2. A smooth colorful transition is made at the junction of the sealed and unsealed line section 3. Position 4 denotes the border of the template for applying ink to a separate area of the metallographic printing form. The boundary of the smooth transition 3 can be performed with a different configuration and depends on various factors, such as the surface of the carrier, the cross-sectional profile and the width of the recessed engraved lines on the metallographic printing form, etc. The wide lines have pronounced "tongues", elongated along the side borders of the engraving, which are formed by squeezing the ink out of the contact border of the template when printing.

A method of manufacturing an anti-counterfeit information medium includes sealing, using at least one metallographic printing plate, at least one of the sections on the information medium to use the obtained image for authentication. Ink roll is carried out on a part of the length of the recessed lines of the printed metallographic form, while ensuring, by extruding the ink along the recessed lines, a smooth colorful transition 3 at the junction of the rolled-up line section and the line section without ink. Upon contact of the metallographic printing form with the carrier, relief lines having an area with a colorful layer, a smooth colorful transition and an unsealed area are respectively obtained.

The protective effect is achieved due to the fact that the embossed unpainted line is a continuation of the embossed painted line and does not have a clear transition boundary. The difficulty of faking such an image is that when copying it is impossible to get the same smooth transition. It is also difficult to fake using another printing method, since in this case it will not be possible to perform a combination of embossed lines and a colorful area with a smooth colorful transition.

The proposed method of manufacturing a media protected against counterfeiting, can be used in the manufacture of various secure printing products.

Claims (2)

1. An anti-counterfeit information medium having at least one area sealed by metallographic printing, consisting of embossed lines forming an image, characterized in that the embossed lines have an ink layer on a portion of their length to obtain an unsealed continuation of the embossed lines, at the same time, a smooth colorful transition was made at the junction of the sealed and unsealed line section. 2. A method of manufacturing a media of information, protected from falsification, including sealing using a metallographic printing form, at least one of the sections on the media to use the received image for authentication, characterized in that the ink is rolled over part of the length of the recessed lines of the printed the metallographic form, while ensuring by squeezing the paint along the recessed lines, a smooth colorful transition at the junction of the rolled up portion of the lines and section of l Nij without ink.