CZ2007731A3 - Smart microparticles comprising data and machine-readable variable information and process for producing thereof - Google Patents

Abstract

The solution relates to a smart micro particle containing data and machine-readable variable information. The intelligent micro particle (1) is made of a high temperature resistant and electrolytic and / or chemically processable metal of selectable size and shape, and is provided with diffraction microsections (2) and identification data (3) that are etched in the form of alphanumeric characters, patterns, or lines. code. On the intelligent micro particle (1), machine-readable information (11) is stored in the form of another thin layer. The solution can be used mainly for the protection of property and objects and serves for their exact identification with protection against their adulteration.

Description

Technical field

The present invention relates to an intelligent microparticle containing data and machine-readable variable information, and to a method for producing the same, which is provided with anti-forgery micro-gratings and serves to identify various objects onto or into which it is implemented and where unique data in the form of alphanumeric characters, The bar code is formed on the microparticle primarily by etching the metal and where the machine-readable information is deposited on the microparticle surface in the form of an additional layer.

BACKGROUND OF THE INVENTION

To date, many different security features have been used to protect documents, property, vehicles and other products to prevent counterfeiting as much as possible while allowing the detection of counterfeit products and the identification of lost and stolen items.

At present, transparent plastic identification elements are known and used, where it is a plastic wheel with a diameter of about 1mm, on the surface of which variable information is placed. The production of this identification element consists in applying variable information to the surface of the translucent plastic foil by means of a photographic method and subsequently a circle is cut from the plastic thus prepared. This product is applied by means of a liquid medium and a pressure vessel to marked items. It is then applied again in the presence of a liquid medium by means of a brush on various objects to protect them. According to the variable information, these objects, in case of loss or theft, can be identified by manually reading the variable code on this product and thus identify the owner of the object. This variable information is read using a microscope. The disadvantage of this solution is zero protection against counterfeiting and low thermal and chemical resistance. Another disadvantage is that the identification of the variable information is limited only by microscope reading.

Another known solution relates to a nickel identification scale, which consists of a holographic pattern and an alphanumeric code that is applied to the pattern by a galvanic method. This solution is described in the Czech patent document CZ-PS 294820, where nickel is mentioned as the starting material for the galvanic process, the disadvantages of which are, for example, the low thermal resistance of the marked article, which can cause code damage, for example Another disadvantage of this product solution is the possibility of detection and identification of variable information only optically by means of a microscope.

The disadvantage is also considerable production difficulty and limited readability of variable information.

For this reason, it is necessary to integrate as complex and concisible machine-readable information as possible in these products in order to allow their readability by means of means other than visual.

The purpose of the present invention is to overcome the above-mentioned drawbacks of the known solutions and to find a process for producing protective microparticles for protecting documents and any other articles and articles of other electrolytically processable metals and materials having more favorable properties for the purpose than nickel and plastic. capable of identifying and readable variable information content not only visually but also by machine.

SUMMARY OF THE INVENTION

The aforementioned drawbacks are largely overcome and the object of the present invention is to provide a process for manufacturing an intelligent microparticle comprising data and machine readable variable information, wherein the intelligent microparticle formed from a high temperature resistant and electrolytically and / or chemically treatable metal of selectable size and shape diffraction micro-grids and identification data, which are formed in the form of alphanumeric characters, patterns and / or barcodes, wherein the smart microparticle stores machine-readable information in the form of an additional layer.

A method for producing a smart microparticle is to electroplate the smart microparticle electrolytically in a current-free bath onto a 1 to 50 µm thick metal sheet to which a photoresist layer of 1 to 5 µm thick is deposited after removal from the smart microparticle. which further comprises an identification data warp, wherein the light-sensitive layer is further exposed to light through the identification data warp and subsequently the non-illuminated areas of the light-sensitive layer are removed in the developer to the metal sheet, and The photosensitive substances etch through the metal sheet an unprotected material and wherein the remainder of the light-resistant substance layer is rinsed from the smart microparticle with a chemical solution and then neutralized in a bath. In the final stage, the protective microparticle thus formed is coated with a machine-readable information. The finished smart microparticles are dried at the end of the process.

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The advantages of the intelligent microparticle according to the invention are primarily that the information stored on the microparticle can be read both optically and by machine, and in both cases the result is unique information characterizing the microparticle uniquely. Machine-readable variable information is unique for each batch of microparticles produced. Detection is performed using a portable detection device and is evaluated on site. For forensic purposes, an identification laboratory kit is designed, with which the unambiguous identification of variable information is evaluated in detail in an undemanding section.

Another advantage of this manufacturing and technological solution is the possibility of using various metals which are electrolytically processable or chemically metallized in electroless bath and which can be processed by etching, which greatly extends the possibility of use compared to plastic and nickel identification elements.

BRIEF DESCRIPTION OF THE DRAWINGS

In the accompanying drawings, FIG. 1 shows an exemplary embodiment of an intelligent microparticle, and FIGS.

DETAILED DESCRIPTION OF THE INVENTION

A group of protective microparticles 1 is shown in Fig. 1. They are made of a heat resistant metal with a thickness of 1 µm to 15 µm of selectable size and shape. The surface of the protective microparticles 11 is provided with diffraction microgrids 2 carrying identification data 3, which are in the form of alphanumeric characters, figures or a barcode 10. The machine-readable information 11 is stored on the smart microparticle 1 in the form of an additional layer.

Example of production method

Example 1

According to FIG. 2, the matrix 4 with diffraction microgrids 2 is electroplated or chemically plated in an electroless bath, where the resulting metal sheet 5 is 1 to 50 µm thick and is subsequently peeled off from the matrix 4 as shown in FIG. 3.

A layer 6 of light-sensitive material having a thickness of 1 to 5 µm according to FIG. 4 is applied to the metal sheet 5 on the side without diffraction microgrids 2, as shown in FIG. 4. The light-sensitive substance layer 6 is provided with a warp 7 with identification data 3 as shown in FIG. 6, the light-sensitive substance 6 is exposed to light 8 through the identification data warp 7 as shown in FIG. 5. The non-illuminated light-sensitive layer 6 is removed in the developer up to the metal sheet 5 of FIG. 7.

Subsequently, the unprotected material of FIG. 8 is etched from the metal sheet 5 on the non-diffractive microgrid 2 side through the light-sensitive material layer 6 through the metal sheet 5, thereby forming the metal intelligent microparticles 1 which have been protected from etching by the light-sensitive material layer. The residues of the photosensitive layer 6 were rinsed from the protective microparticles 1 with a chemical solution. The machine-readable information 11 is deposited on the smart microparticle 1 as a further layer and the finished smart microparticles 1 are neutralized in a bath and dried.

Example 2

The matrix 4 with diffraction microgrids 2 is electroplated or chemically metallized in an electroless bath as shown in the section in Fig. 2 and a film 9 as shown in Fig. 9 is adhered to the resulting metal sheet 5 with a thickness of 1-50 µm for ease. removal from the die 4. The metal sheet 5 is then peeled off from the die 4 as shown in FIG. 10.

A light-sensitive layer 6 of 1 to 5 µm thickness is applied to the metal sheet 5 on the diffraction microgrid 2 side as shown in FIG. 11. The light-sensitive layer 6 is provided with a warp 7 with data 3 according to FIG. 6. Light-sensitive layer 6 12 is exposed to light 8 through the data warp 7 as shown in FIG. The non-illuminated photosensitive layer 6 is removed in the developer up to the sheet 5 of the metal of Fig. 13.

Subsequently, the unprotected material of FIG. 14 is etched from the metal sheet 5 on the diffractive microgrid 2 side through the light-sensitive layer 6 through the metal sheet 5, thereby forming metal intelligent microparticles 1 which have been protected from etching by the light-sensitive layer 6. The remainder of the photosensitive layer 6 from the smart microparticle 1 has been rinsed with a chemical solution which is also removed from the film 9. The machine-readable information 11 is deposited on the protective microparticle 1 as an additional thin layer and the finished smart microparticles 1 are neutralized in the bath and dried.

Example 3

The matrix 4 with the diffraction microgrids 2 is electroplated or chemically plated in an electroless bath as shown in the section in FIG. 2 and a layer of light-sensitive material of a thickness of 1 to 5 µm is deposited on the resulting metal sheet 5 with a thickness of 1 to 50 µm. Fig. 15.

The photoresist layer 6 is provided with a data warp 7 with data 3 as shown in Fig. 6. The photoresist layer 6 is exposed to light 8 over the data warp 3 as shown in Fig. 16. removes in the developer up to the metal plate 5 of FIG. Subsequently, the unprotected material of FIG. 18 is etched off from the metal sheet 5 on the non-diffractive microgrid 2 side through a layer of photosensitive substances through the metal sheet 5, thereby forming metal microparticles 1 which have been protected from etching by the layer 6 photosensitive substances. The finished microparticles 1 are removed from the matrix 4. The remnants of the photosensitive layer layer 6 were rinsed from the microparticles 1 with a chemical solution. The machine-readable information 11 is deposited on the microparticle 1 as an additional thin layer and the finished microparticles 1 are neutralized in a bath and dried.

Claims (2)

PATENT CLAIMS Intelligent microparticles comprising data and machine readable variable information, characterized in that the intelligent microparticles (1) formed of a high temperature resistant and electrolytically and / or chemically processable metal of selectable size and shape are provided with diffraction microgrids (2) and identification data (3). ), which are etched in the form of alphanumeric characters, patterns and / or barcodes (10), the machine-readable information (11) in the form of another thin layer being stored on the smart microparticle (1). Method for producing an intelligent microparticle, characterized in that the matrix (4) of the intelligent microparticle (1) is electroplated and / or chemically plated in an electroless bath onto a metal sheet (5) having a thickness of 1 to 50 µm, upon which it is removed from the matrix (4) of the intelligent microparticle (1) a layer (6) of photosensitive material having a thickness of 1 to 5 µm, further attached to the warp (7) with identification data (3), 7) with the identification data (3) further exposed to light (8) and subsequently the non-illuminated sites of the photosensitive layer (6) are removed in the developer up to the metal sheet (5) and being removed from the metal sheet (5) without diffraction gratings ( 2) unprotected material etch through the light-sensitive layer (6) through the metal sheet (5) and wherein the remainders of the light-resistant substance layer (6) are rinsed from the intelligent microparticle (1) with a chemical solution and subsequently neutralized in the bath. In the final phase, a layer comprising machine-readable information (11) is applied to the so-formed smart microparticle (1). The machine-readable information (11) is deposited on the microparticle (1) as an additional thin layer and the finished microparticles (1) are neutralized in a bath and dried.