10results about How to "Improve anti-counterfeiting effect" patented technology

The utility model discloses a novel stamping film, including the back adhesive layer, the upper surface of back adhesive layer is fixedly arranged with metal positioning layer, the upper surface of metal positioning layer is fixedly arranged with the embossing layer, the upper surface of embossing layer is provided with the color change anti -fake layer, the upper surface of color change anti -fake layer is provided with the anti -fake function layer, the upper surface of anti -fake function layer is provided with the color layer, the upper surface of color layer is provided with the transparent protective layer, the upper surface of transparent protective layer is provided with the release layer, the upper surface of release layer is provided with the base film layer, the upper surface of base film layer is provided with the article recess, the inner bottom surface of this article recess is provided with the cover layer, the anti -fake function layer includes the fragile paper layer, the anti -fake line and the honeycomb structure layer, and the anti -fake line is arranged between the fragile paper layer and the honeycomb structure layer, and the upper end of anti -fake line is provided with the micro anti -fake graphic laser engraving layer. The above technical scheme, the structure design is reasonable, the imitation difficulty is big, and the anti -fake effect is good, and the positioning is reliable and practical.

The utility model discloses a kind of laser micro-carving hot-pressing films, including first heat-seal film layer, the lower surface of first heat-seal film layer is fixedly provided with aluminium plating layer, the upper surface of first heat-seal film layer is provided with article recess, the recess mouth of article recess is provided with positioning gap;Article recess is sequentially provided with reflective layer, positioning base layer, first laser micro-carving layer and nano-particle coating from inside to outside, the upper surface of nano-particle coating is provided with second heat-seal film layer, the lower end of second heat-seal film layer and the inner wall surface of positioning gap are adhesively fixed.The above technical solution, structure design is reasonable, anti-fake performance is good, not easy to imitate, decorative effect is good and practicality is good.

The present invention relates to a can marking detection device and a marking scanning method thereof, wherein the device comprises a mounting base plate, a bracket, a bearing mechanism, a laser marking mechanism, an infrared sensor, a scanning module and a control module, wherein the mounting base plate and the bracket are arranged in parallel, the bearing mechanism is fixedly mounted on the mounting panel, the laser marking mechanism is fixedly mounted on the bracket and is located above the bearing mechanism, the infrared sensor and the scanning module are mounted on the mounting base plate and are located below the bearing mechanism, and are used to detect or scan the cans carried on the bearing mechanism. The device structure marking scanning method provided by the present invention can fix the cans on the active rotating shaft and the driven rotating shaft of the bearing mechanism, and stably rotate under the action of the upper pressure roller to perform laser marking and quality inspection at the same time, with a fast marking speed, the pattern and color of the can body are not easy to fade, the anti-counterfeiting property is good, and at the same time, it will not cause pollution to the environment, and is environmentally friendly and clean.

The application discloses an anti-fake optical element and a preparation method thereof. The anti-fake optical element comprises a plane substrate, and is characterized in that the anti-fake optical element further comprises a surface optical anti-fake layer on the plane substrate; the surface optical anti-fake layer is composed of periodically distributed phase areas; each phase area is composed of a plurality of closely arranged stepped pixel blocks with different heights and the same square bottom surface; and the surface optical anti-fake layer forms an anti-fake pattern under visible light irradiation. The anti-fake optical element has the advantages of low processing cost, strong anti-fake ability, wide application range, clear anti-fake image and the like, and can be applied to the fields of currency, certificates, labels and the like.

This application relates to the field of biometric feature acquisition technology, specifically a biometric feature acquisition device, including an installation structure. The installation structure is equipped with a first biometric feature acquisition device and a second biometric feature acquisition device. The installation structure also includes a shielding mechanism, and a linkage component is provided between the second biometric feature acquisition device and the shielding mechanism. This biometric feature acquisition device, through its linkage design, ensures that the precision acquisition camera is always sealed and protected by the shielding plate when not in use, effectively preventing dust, moisture, fingerprint contamination, and physical scratches, significantly reducing maintenance frequency and failure rate. Furthermore, the entire authentication process must be completed through a real, continuous physical pressing action, achieving efficient liveness detection and effectively preventing attacks using photos, videos, or static molds. Simultaneously, the linkage mechanism increases the complexity and cost of fraud, achieving superior security and anti-counterfeiting advantages.

The utility model discloses a cover assembly with good anti-fake effect, which comprises a base, the upper part of the base is connected with an upper cover, the base is provided with a liquid outlet pipe, the liquid outlet pipe is provided with an anti-fake assembly, and the anti-fake assembly comprises an anti-fake piece which can move outwards under the action of external force to prevent the anti-fake assembly from being taken out from the opening part of a container. The cover assembly further comprises a jacking linkage mechanism used for enabling the anti-fake piece to move outwards in the first time of use, in the first time of use, the jacking linkage mechanism acts the anti-fake piece to move outwards so that the whole anti-fake assembly can be gradually enlarged in the radial direction, and therefore the anti-fake assembly is prevented from being taken out of the opening of the container, and the cover assembly has the advantages of being convenient to use and high in practicability. And the anti-fake effect is good.

The invention relates to the technical field of packaging anti-counterfeiting, in particular to a preparation method of a reflective colorful anti-counterfeiting pattern on the surface of a packaging product and the packaging product thereof.The preparation method comprises the steps that S1, a base film is selected, the surface of the base film is coated with a layer of bead planting glue, then a layer of glass beads are evenly scattered on the surface of the bead planting glue, and after the glass beads are cured, a bead planting film is obtained; s2, the bead planting film is fed into vacuum coating equipment, the surface of the bead planting film is coated with a vacuum coating, and the reflective colorful film is obtained after the vacuum coating is cured; s3, uniformly coating the surface of the vacuum plating layer of the reflective colorful film with a layer of transfer printing glue; s4, the reflective colorful film is transferred to the surface of the packaging product; according to the preparation method of the reflective colorful anti-counterfeiting pattern, a traditional gold stamping mode is abandoned, a plating layer with an interference effect on light is evaporated on the surface of a plant film, then the plant film is transferred to the surface of a packaging product, the appearance grade of the packaging product is greatly improved, and the anti-counterfeiting effect is better.

The invention belongs to the technical field of polymer materials, and specifically relates to a one-component solvent-type polyurethane anti-counterfeiting pressure-sensitive adhesive and a preparation method and application thereof. The preparation method is as follows: after a polyether polyol and an antioxidant are mixed and dehydrated, a small molecule diol is added to mix and dissolve, and the temperature is lowered, and then a diisocyanate is added to react, and after the temperature is lowered, an amine chain extender is added to mix and react at a higher temperature, and after the reaction is completed, the temperature is lowered, and then a diisocyanate is added to mix and react at a higher temperature, and finally a monohydric alcohol is added to react, and the material is discharged to obtain a one-component solvent-type polyurethane pressure-sensitive adhesive. The advantages of the invention are that the raw materials are easily available, the reaction conditions are mild, and the process is simple and easy. The one-component polyurethane pressure-sensitive adhesive prepared by the invention has low viscosity, high stability, and good operability. It has good initial adhesion, high peel strength, and good heat resistance.

The utility model discloses a composite packaging material structure with built-in hidden anti-counterfeiting laser images and texts, which comprises a PET (polyethylene terephthalate) base film layer, a nano coating layer, an aluminized layer, a water-based glue layer and a paper layer, and the paper layer, the water-based environment-friendly glue layer, the vacuum aluminized layer and the nano coating layer are arranged from inside to outside. A local laser pattern layer is arranged between the nano coating layer and the PET base film layer close to the inner part, positioning cursor layers are arranged close to the two side edges, printing positioning cursor layers directly facing the positioning cursor layers are arranged close to the two side edges outside the PET base film layer, and a printing image-text layer directly facing the local laser pattern layer is arranged close to the inner part. The local laser pattern is arranged in the PET base film layer and is secondarily protected by the printing layer, on one hand, the laser pattern is protected and is not easy to damage, on the other hand, the laser pattern does not need to be arranged in the PET base film layer and is not easy to imitate, the anti-counterfeiting effect is better, the positioning cursor layer and the printing positioning cursor layer are arranged, registration positioning in the printing process is facilitated, and the anti-counterfeiting effect is improved. And the positioning precision is higher.

This invention discloses an anti-counterfeiting card and its manufacturing and verification methods. The card includes a first substrate layer, an intermediate layer, and a second substrate layer stacked sequentially from top to bottom. A first printing layer is disposed on the side of the first substrate layer opposite to the intermediate layer. The card has mounting holes that pass sequentially through the first printing layer, the first substrate layer, the intermediate layer, and the second substrate layer. Both the top and bottom of the mounting hole are open. A colored film containing silver halide photosensitive emulsion is disposed within the mounting hole. An anti-counterfeiting image is disposed on the colored film, including at least one of the following: numbers, personal signature, portrait, and pattern. A second printing layer is disposed on the side of the second substrate layer opposite to the intermediate layer. The anti-counterfeiting card of this invention has good anti-counterfeiting effect and is convenient to manufacture and verify.