Engraved two-dimensional code

Abstract

The carved two-dimensional code comprises a printing stock layer and a two-dimensional code layer, the carving printing layer is arranged on one side of the printing stock layer; the carving printing layer is located on the printing stock layer, a two-dimensional code pattern is printed on the printing stock layer through carving gravure, a unique two-dimensional code which has the concave-convex texture, has a certain height and can be touched and read clearly is formed, the two-dimensional code is difficult to copy and imitate, and the two-dimensional code has the advantages of high texture, high anti-fake performance, abrasion resistance, corrosion resistance and pollution resistance. And the service life is long.

Description

TECHNICAL FIELD

[0001] The utility model relates to two -dimensional code printing field especially is concerned with a kind of engraved two -dimensional code. BACKGROUND

[0002] Two-dimensional code is with certain specific geometry figure according to certain law in planar distribution record data symbol information figure. With the development of information technology, two-dimensional code is more and more widely used in daily life and commercial activities. At present, common two-dimensional code printing is mostly adopted inkjet printing, relief printing, thermal printing and other ways. The traditional two-dimensional code printing mode has the problems of being easily copied, difficult to identify after wear and tear. Therefore, a two-dimensional code with higher anti-fake property and durability is needed to solve the above problems. SUMMARY

[0003] The utility model aims at providing a kind of engraved two-dimensional code, with the characteristics of high definition, strong anti-fake property, high durability, accurate identification, wear resistance, corrosion and pollution resistance, long service life.

[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0005] An engraved two-dimensional code, comprising: an ink-receiving layer, the ink-receiving layer comprising a paper base layer, a fluorescent particle layer and a coating layer, from top to bottom in order coating layer, fluorescent particle layer and paper base layer; an engraved printing layer, the engraved printing layer is arranged on the upper side of the ink-receiving layer, and the two-dimensional code made of engraved printing process is located in the engraved printing layer.

[0006] Preferably, the pattern formed by points and / or lines and / or surfaces in the engraved printing layer has a height of 20-120 μm, so that it has a concave-convex feeling when touched; and / or the smallest diameter of the points in the engraved printing layer can reach 5-10 μm, so that it has a texture when touched. The pattern is observed under a magnifying glass, and the edge is smooth and delicate without jaggedness.

[0007] Preferably, the ink-receiving layer is at least one of paper layer, plastic material layer or metal material layer.

[0008] Preferably, the ink-receiving layer is stamp paper.

[0009] Preferably, the fluorescent particles in the fluorescent particle layer are uniformly distributed on the paper base layer, and the coating layer covers the fluorescent particle layer.

[0010] Preferably, the fluorescent particle layer contains at least one colorless fluorescent particle.

[0011] Preferably, the ink-receiving layer is stamp paper with colorless fluorescent particles.

[0012] Preferably, an adhesive backing layer is provided on the other side of the substrate layer.

[0013] Preferably, the engraved printing layer is an ink printing layer.

[0014] The beneficial effects of this utility model are as follows:

[0015] The engraved QR code provided by this utility model has an engraved printing layer located above the substrate layer. The QR code pattern is engraved onto the substrate layer using an intaglio printing process, forming a unique raised texture and high clarity, making it difficult to copy and counterfeit. It possesses high anti-counterfeiting performance and is resistant to wear, corrosion, and contamination, with a long service life. To ensure excellent overall raised texture, the height of the intaglio lines can be adjusted according to actual needs. The height of the pattern formed by dots and / or lines and / or surfaces in the engraved printing layer can reach the range of 20-120 μm. The minimum diameter of the dots in the engraved printing layer can reach 5-10 μm, and the edges of the pattern are smooth and delicate, without jagged edges. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the engraved QR code structure of this utility model.

[0017] Figure 2 This is a schematic diagram of a preferred embodiment of the present invention.

[0018] Figure 3 This is a schematic diagram of another preferred embodiment of the present invention.

[0019] Figure Labels

[0020] 1: Engraved printing layer; 2: Substrate layer; 3: Adhesive layer; 4: Paper substrate layer; 5: Metal foil layer; 6: Paper base layer; 7: Fluorescent particle layer; 8: Coating layer; 9: QR code. Detailed Implementation

[0021] The following examples illustrate possible implementations of this utility model, and are not intended to limit the scope of protection of this utility model.

[0022] Example 1

[0023] like Figure 1 As shown, this utility model discloses an engraved QR code, comprising a substrate layer 2 and an engraved printing layer 1. The engraved printing layer 1 is printed on one side of the substrate layer 2 using an engraving printing machine. The height of the pattern formed by the dots and / or lines and / or surfaces of the engraved printing layer is 20-120 μm, with a tactile feel. The minimum diameter of the dots in the engraved printing layer can reach 5-10 μm. When observed under a magnifying glass, the printed pattern has smooth and delicate edges without jagged edges. Figure 2In the shown embodiment 1, the printing substrate layer 2 is a stamp paper. The stamp paper layer can be the stamp paper used in the stamp of the Chinese patent with the publication number CN 214377346 U, which includes a base layer, a metal foil layer, a pattern layer, and an adhesive layer. The base layer is a paper layer with granular or strip-shaped fluorescent bodies. In this embodiment, the paper base layer 4 with granular or strip-shaped fluorescent bodies and the adhesive layer 3 in the above-mentioned patent are used as the printing substrate layer 2. The engraved two-dimensional code in this embodiment is engraved and printed from top to bottom as follows: the engraved and printed layer 1, the paper base layer 4, and the adhesive layer 3. A metal foil layer 5 can also be added between the engraved and printed layer 1 and the paper base layer 4 to form a printing substrate layer 2 combining paper and metal materials. The printing substrate layer 2 in this embodiment can also use the stamp paper of the Chinese patent with the publication number CN221398487U, which includes a base paper layer and an adhesive layer; the stamp and stamp sheet of the Chinese patent with the publication number CN215341687U, which includes a stamp base paper, a stamp base paper, and a traceability chip arranged between the two; and the stamp paper of the Chinese patent with the publication number CN220908031U, which includes a base paper layer, a base paper layer, and an adhesive layer.

[0024] In addition to stamp paper, the paper layer can also be white board paper, kraft paper, label paper, etc.

[0025] The engraved and printed layer is located above the printing substrate layer 2, and the two-dimensional code 9 pattern is engraved and printed on the printing substrate layer 2 by engraving and intaglio printing process. The engraved and printed layer 1 is an ink printing layer, and the printed ink is in a raised state to form a unique concave-convex texture.

[0026] Embodiment 2

[0027] As Figure 3 shown, in this embodiment, the engraved and printed layer 1 is the same as in embodiment 1.

[0028] The printing substrate layer 2 includes a paper base layer 6, a fluorescent particle layer 7, and a coating layer 8. The fluorescent particles in the fluorescent particle layer 7 are uniformly distributed on the paper base layer 6, and the coating layer 8 covers the fluorescent particle layer 7. The fluorescent particle layer 7 contains at least one colorless fluorescent particle. The engraved and printed layer 1 is printed on the coating layer 8. The covering coating layer 8 protects the fluorescent particle layer 7 from wear and tear, while not affecting the adhesion of the engraved and printed layer 1. A backing adhesive layer 3 can also be provided on the underside of the paper base layer.

[0029] Embodiment 3

[0030] In this embodiment, the engraved and printed layer 1 is the same as in embodiment 1. The printing substrate layer can be a plastic material layer, which can use PP, PE, PVE, acrylic, etc. The printing substrate layer can also be a metal material layer, which can use iron, copper, aluminum, and other metal and alloy materials.

[0031] The engraving two-dimensional code is manufactured by using a global advanced laser engraving machine in a plate making mode, the two-dimensional code generated by the equipment plate making meets daily various product information storage requirements, and the maximum pixel points of the width can reach 800*800 according to different requirements.

[0032] The engraving printing layer is located above the printing material layer, the two-dimensional code pattern is engraved and printed on the printing material layer through the engraving gravure process, the engraving gravure printing layer adopts ink printing, and the printed ink is in a convex state to form a unique concave-convex texture.

[0033] The printing material layer is used as the basic support layer of the two-dimensional code, and paper, plastic or metal with certain strength and stability is adopted.

[0034] The back adhesive layer protects the product from abrasion, and the back adhesive can play a buffering role to a certain extent, and when the paper contacts other objects, the back adhesive can reduce the abrasion of the front engraving printing layer and the paper.

[0035] The engraving printing layer is printed on the printing material layer through the engraving gravure process, so that the two-dimensional code has unique concave-convex texture and high clarity. The engraved two-dimensional code has the characteristics of anti-abrasion, corrosion and pollution, long service life and the like.

[0036] By adopting the engraving gravure process, the engraved two-dimensional code has the following advantages:

[0037] Strong anti-counterfeiting: the engraved two-dimensional code has clear lines and strong three-dimensional effect, which is difficult to be copied and imitated, and has high anti-counterfeiting performance. The printing material layer in embodiments 1 and 2 has fluorescent particles, which can emit fluorescence under specific light, providing another anti-counterfeiting way and further increasing the difficulty of copying and imitation.

[0038] High durability: the engraving printing layer has strong wear resistance and corrosion resistance, and is not easy to be damaged, and can keep clear and identifiable for a long time in harsh environment.

[0039] Accurate recognition: the unique concave-convex texture makes the two-dimensional code easier to be accurately recognized when scanned, and improves the success rate and speed of reading.

Claims

1. An engraved two-dimensional code, characterized by, The application relates to a two-dimensional code printing plate, which comprises a printing object layer, a carved printing layer and a back adhesive layer. The printing object layer comprises a paper base layer, a fluorescent particle layer and a coating layer, and the coating layer, the fluorescent particle layer and the paper base layer are sequentially arranged from top to bottom. The pattern formed by points and / or lines and / or surfaces in the carved printing layer has a height of 20-120 mu m, so that the pattern has a concave-convex feeling when touched; and / or the minimum diameter of the points in the carved printing layer can reach 5-10 mu m, so that the pattern has a texture when touched.

2. The engraved two-dimensional code according to claim 1, wherein The printing object layer is at least one of a paper layer, a plastic material layer and a metal material layer.

3. The engraved two-dimensional code according to any one of claims 1 to 2, wherein The printing object layer is a stamp paper.

4. The engraved two-dimensional code according to claim 3, wherein The fluorescent particles in the fluorescent particle layer are uniformly distributed on the paper base layer, and the coating layer covers the fluorescent particle layer.

5. The engraved two-dimensional code according to claim 1 or 4, characterized in that: The fluorescent particle layer contains at least one colorless fluorescent particle.

6. The engraved two-dimensional code of claim 5, wherein: The printing object layer is a stamp paper with colorless fluorescent particles.

7. The engraved two-dimensional code of claim 1, wherein The other side of the printing object layer is provided with a back adhesive layer.

8. The engraved two-dimensional code of claim 1, wherein The carved printing layer is an ink printing layer.

9. The engraved two-dimensional code of claim 1, wherein, ​

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