240 results about "Overprinting" patented technology

The invention provides a real-time monitoring control method and system for VOCs release of printing equipment. Real-time parameters in the printing process are monitored in real time, and a VOCs emission prediction value corresponding to the current printing task is obtained according to the real-time parameters in combination with the VOCs emission prediction model; the overprinting error of the current printing process is obtained according to the overprinting error detection strategy in combination with the reaction temperature and the treatment air volume of the current drying oven; the VOCs emission predicted value and the overprinting error are combined with a VOCs emission-printing quality double-target optimization function to obtain the air volume and temperature of a drying oven matched with the current printing quality and VOCs release; and regulating and controlling the air speed and the temperature of the drying oven of the printing equipment according to the air volume and the temperature of the drying oven matched with the current printing quality and the VOCs release. The system comprises a module corresponding to the method.

The invention discloses a method for controlling multi-color printing of a thermal transfer printer. The method comprises the following steps: visually editing and typesetting, displaying a separated preview page according to preset color layer decomposition parameters, performing color separation processing on an original design page according to the preset color layer decomposition parameters, and supporting synchronous printing, asynchronous printing and cross-medium printing. An original design page is decomposed into single-color printing instruction sequences according to color layers through a color separation processing module. Based on the medium position real-time tracking technology, the main control circuit board dynamically coordinates all the single-color printing units to execute color separation printing when the medium moves to the corresponding position, and three modes of same-medium multi-color synchronous printing, asynchronous printing and cross-medium parallel printing are supported. The problems that a traditional heat transfer printing machine is low in multi-color overprinting precision and poor in efficiency are solved, and the flexibility and production efficiency of color mark printing are remarkably improved.

The invention relates to the technical field of printing devices, in particular to a photo-etching positioning paper printing method with an image-text suspension dynamic effect, which comprises the following steps of: performing positioning printing on photo-etching paper, determining whether overprinting deviation is generated or not, and determining whether the overprinting deviation is within an error range of single printing or not; when the rotating angle meets the printing requirement, the paper feeding speed is adjusted, and the rotating speed of the printing cylinder is correspondingly adjusted, or the telescopic distance of the first supporting roller is adjusted; determining whether the deviation degree changes after a plurality of times of overprinting, and predicting whether the photoetching paper has a paper deformation printing hidden danger under the current initial printing pressure according to the temperature and humidity changes; the tension condition of the photoetching paper is reflected according to the actual pressure borne by the first supporting roller, or the paper feeding speed or the initial printing pressure is adjusted according to the comprehensive deformation prediction value. According to the method, the printing parameters of the printing device are correspondingly adjusted by predicting the overprinting deviation of printing, so that precise overprinting of the holographic pattern and the printing content is ensured.

The invention discloses a reel-to-reel multilayer printing control method based on improved simulated annealing optimization LQR, and belongs to the field of multilayer printing flexible electronics. According to the reel-to-reel multilayer printing flexible electronic control method based on the improved simulated annealing optimization LQR, initial LQR controller design is carried out on an overprinting system according to a reel-to-reel overprinting system dynamic model, and a simulated annealing algorithm is selected to carry out LQR controller optimization; and self-adaptive annealing, dynamic step length, mixed neighborhood search and other methods are used to make up for the defects of slow convergence speed, difficult temperature control and the like of the traditional simulated annealing algorithm, so as to obtain the optimal control quantity and improve the overprinting precision and control stability of the system. The control quantity optimization of the overprinting system is realized, the control stability of the overprinting system is ensured, and the overprinting precision is improved.

The invention belongs to the technical field of digital printing machines, and particularly discloses and provides an automatic pattern overprinting method for textile fabrics, which performs real-time acquisition through a high-definition industrial scanning camera, performs multiple operations such as image preprocessing, feature recognition and position adjustment, effectively solves the problem of insufficient printing precision at present, and improves the printing accuracy of the textile fabrics. According to the method, it can be guaranteed that no matter how the specification and size of equipment change, how the size of a to-be-printed textile fabric change and how the printing parameter mode change, images can be collected in a self-adaptive mode, the quality of a final product is guaranteed, and by calling RI software and board card printing software, deformed image data are called to the RI software to be subjected to image RI processing, so that the quality of the finished product is guaranteed. PRT printing data is produced and then sent to board card printing software through a network port for real-time printing. High integration is completely achieved, synchronous parallel operation of the stations of the multifunctional virtual assembly line is achieved, and the printing precision and efficiency are improved.

The utility model discloses a high-stability printing device, including an unwinding component, characterized in that a first reverse bending component, a double-sided dust removal and air suction component, a double-sided corona component, a front traction roller group, an overprint speed regulating traction component, and an arranged printing unit are sequentially arranged on one side of the unwinding component, a first electric eye for detecting overprint color marks is arranged in the first group of printing units, and the first electric eye can control the action of the overprint speed regulating traction component, a first rear traction roller group, an online visual detection component, a second reverse bending component, a slitting and trimming component, and a second rear traction roller group are sequentially arranged at the discharge end of the last group of printing units, a single sheet cutting knife group, a single sheet conveyor belt group and a material receiving table are arranged on one side of the second rear traction roller group, and a warp winding roller group, a third rear traction roller group and a winding component are arranged below the second rear traction roller group. The utility model has a simple structure and a reasonable design, can effectively improve the stability of printing operations, and arranges different components to ensure printing quality, has more abundant functions, and can realize the slitting, stacking, collection or winding collection of printed paper at the same time, meeting different collection requirements.

The invention provides a nameplate printing defect detection method and system based on image segmentation. The method comprises the following steps: acquiring a nameplate surface image and carrying out distortion correction and brightness homogenization preprocessing; generating a pixel-level segmentation mask by using the semantic segmentation network; template registration is carried out based on the segmentation result, and a deformation field vector and a registration difference chart are calculated; performing defect area extraction and type identification on the difference image; according to the method, deep learning semantic segmentation is adopted to realize pixel-level analysis of a nameplate printing area, deformation field registration is combined to accurately quantify overprinting offset, defect quantitative evaluation is realized through multi-dimensional scoring, the detection rate reaches 99% or above, and the detection time of a single piece is less than 0.5 second.

The invention discloses a method for rapidly adjusting overprinting offset of main and auxiliary grid patterns, and aims to solve the problems of tedious steps, long time consumption, generation of reworked pieces, high operation difficulty and the like in main and auxiliary grid overprinting debugging in existing solar cell screen printing. A plastic battery piece simulation model consistent with a battery piece produced in a production line in size is manufactured, and the surface of the plastic battery piece simulation model is coated with a preset main grid pattern. By means of the process of screen calibration, simulation printing and offset debugging and repeated debugging, the offset condition of main grid printing is rapidly determined through a simulation model, machine parameters are adjusted, and the steps of drying and auxiliary grid printing in the prior art are omitted. According to the method, the debugging time is shortened to about 3 minutes, no reworked piece is generated, meanwhile, operation is easy and convenient, new employees are easy to master, the efficiency of main and auxiliary grid overprinting debugging on the solar cell production line is greatly improved, the production cost is reduced, and remarkable economic benefits and application prospects are achieved.

The invention discloses a printing method for a composite packaging material structure with built-in hidden anti-fake laser images and texts. The method comprises the following steps: converting designed images and texts into digital images and texts; manufacturing a plate by using a laser photoetching machine to obtain an image-text nickel plate; making the digital image-text into a gravure plate; a high-precision micron-sized optical positioning mark is preset on a PET (Polyethylene Terephthalate) base film; printing transparent UV gloss oil by using a gravure plate, and dynamically adjusting the UV gloss oil coating position of a gravure press according to the real-time tracking of the position of the PET base film; performing film pressing on the PET base film on which gloss oil is completed and an image-text nickel plate, performing curing through an ultraviolet light curing lamp and then performing stripping, performing photocuring by adopting a photocuring process of pre-curing and then scanning an image through a scanning probe to compare and correct offset, and performing secondary full-curing to fix the pattern; coating and coloring the PET base film; carrying out vacuum aluminum plating on the coated PET base film; and compounding the PET base film subjected to vacuum aluminum plating with 200g roll white card, and feeding into a gravure press to finish printing. Precise overprinting of the local UV laser cold transfer pattern printed matter is achieved.

The utility model relates to a decorative plate, in particular to an imitated metal texture metalized gauze multilayer plate which comprises a transparent layer, a metalized gauze layer, a bonding layer and a back plate layer which are sequentially arranged, and the metalized gauze layer comprises gauze and a metal coating arranged on the surface of the gauze. The metalized gauze multilayer board imitating the metal texture can achieve the effect of the metal texture, is not prone to color fading, and meanwhile can achieve multicolor overprinting, stereoscopic patterns and the like.

The invention discloses a packaging box printing quality detection method based on image processing, and belongs to the field of printing quality detection. The method comprises the following steps: firstly, carrying out multi-angle image acquisition on a printed packaging box, extracting a color evaluation value, an overprinting deviation value and a defect degree value after preprocessing, and carrying out weighted calculation on a printing quality index; single box and batch qualification is judged based on indexes, and unqualified batches analyze and trace reasons by constructing a printing feature triangle and combining the similarity of the gravity center distance and the angle difference value of a historical fault database; according to qualified batches, analyzing index fluctuation coefficients and trends of nearly Y batches, and constructing a grading early warning mechanism; according to the invention, multi-dimensional quantitative evaluation, intelligent tracing and dynamic early warning are realized, the problems of single index, dependence on manpower and lack of perspectiveness of traditional detection are solved, and the objectivity, efficiency and scientificity of detection are improved.

The invention relates to a TOPCon solar cell and a preparation method thereof, the cell comprises a silicon substrate, and the back surface of the silicon substrate is provided with metallized regions and non-metallized regions which are alternately arranged; a tunneling oxide layer, a doped polycrystalline silicon layer, a back passivation layer and a back metal electrode are sequentially arranged in the metalized region from inside to outside, and the back metal electrode is in ohmic contact with the doped polycrystalline silicon layer; the non-metallization area is recessed inwards and is closer to the silicon substrate than the metallization area; the non-metallization area comprises a mark point area and a non-mark point area; the height difference between the mark point area and the non-mark point area is 0.1 [mu] m-10 [mu] m. The obvious height difference is formed between the mark point area and the non-mark point area, the mark points can be accurately and effectively recognized, guarantee is provided for the printing precision of follow-up overprinting, the yield of solar cell production can be increased, and the production cost is reduced.

The invention relates to the technical field of digital jet printing, in particular to a precise overprinting and anti-diffusion compensation system for digital jet printing, which comprises a data processing module for processing code pattern data to be printed; the jet printing module is used for overprinting the first color surface data and the second color surface data by using a printer so as to output a code pattern; the detection module is connected with the jet printing module and comprises a photoelectric sensor which is connected with the adaptive frame and is used for determining a printing position and a visual sensor which is connected with the adaptive frame and is used for collecting the overprinting image; and the control module is respectively connected with the data processing module, the jet printing module and the detection module, and is used for determining the ink jet pressure of the first nozzle according to the deviation value between the target position and the actual position of the first nozzle, or determining the exposure time of the overprinted image according to the overprinting failure rate of the code pattern. According to the invention, the overprinting accuracy of the printer is improved.

The invention belongs to the technical field of ceramic decorative materials and photochromism, and provides a photochromic dynamic pattern design method for multilayer overprinting partition photosensitive ceramic stained paper aiming at the industrial pain points that patterns of traditional ceramic stained paper are fixed, and existing photochromic stained paper is low in overprinting precision, slow in color change response and the like. According to the method, a five-layer composite structure is constructed and sequentially comprises a ceramic substrate layer, a bottom bonding layer, a photochromic functional layer, a partitioned photosensitive control layer and a surface protection layer, multi-region independent photochromism is achieved through the partitioned photosensitive control technology, and the overprinting precision can reach within 5 microns. The photochromic response time of the product does not exceed 0.5 second, the cycle discoloration life is not less than 150 thousand times, the interlayer peeling strength reaches 3N / cm or above, the product can be widely applied to the field of architectural ceramic and domestic ceramic decoration, and the visual expressive force and interactive experience of the product are effectively improved.

The utility model discloses a three-stage tension control unreeling device for an easy-to-deform printing material, which relates to the field of printing machinery and comprises an unreeling device, and a first-stage printing material tension disturbance absorption regulation and control device, a second-stage printing material tension disturbance absorption regulation and control device and a third-stage printing material tension regulation and control device are arranged on a printing material output channel. The third-stage printing material tension regulation and control device comprises a pair of conveying roller sets and a guide roller, a tension sensor is installed on the guide roller, a first fixed guide roller and a second fixed guide roller are arranged in front of and behind the guide roller respectively, a driving roller is driven by a motor controlled by a frequency converter, and the output end of the tension sensor is connected to the input end of the frequency converter; the device is provided with three stages of regulation and control devices, stretching is carried out through the first-stage regulation and control device, shaping is carried out through the second-stage regulation and control device, accurate adjustment is carried out through the third-stage regulation and control device, it is guaranteed that the deformation of a printing material in the subsequent process is minimum, tension is stable, and finally overprinting is accurate when the printing material prone to deformation is printed in the printing unit; and multi-color overprinting high-quality printing can be completed.

The invention discloses an overprinting device and method for flexible packaging in the technical field of printing, and aims to solve the problems that in the prior art, due to the fact that a flexible packaging plate is printed firstly and then subjected to auxiliary processing, product overprinting is inaccurate, and the process is tedious. The device comprises a conveying line, a plurality of registration printing assemblies are arranged on the conveying line, each registration printing assembly comprises a support and a printing roller rotationally arranged on the support, the support is further provided with a first driving assembly used for driving the printing roller to rotate, and the printing roller is provided with an ink printing area and a mark stamping area. Each support is provided with an ink supply assembly, and the ink supply assemblies are used for supplying ink to an ink printing area. The method is used for achieving efficient printing of the packaging product and manufacturing of the anti-fake technology, optimization of the packaging product technology can be achieved without adopting extra complex equipment, the overprinting accuracy of the auxiliary technology can be effectively guaranteed, and therefore the product yield can be effectively increased.

The invention relates to a display module and a display terminal. The display module comprises a cover plate main body, a light shielding layer and a display panel, wherein the light shielding layer is arranged on the surface of one side of the cover plate main body; the display panel is arranged on the side, away from the cover plate body, of the light shielding layer. The display panel comprises a display area and a non-display area arranged on the periphery of the display area. Wherein the light shielding layer is arranged corresponding to the non-display area, the display module is provided with at least one light-transmitting area, the light shielding layer is provided with a plurality of first holes in the light-transmitting area, the first holes penetrate through the light shielding layer in the thickness direction of the light shielding layer, and the light transmittance of the light-transmitting area ranges from 5% to 20%. According to the display module, the first holes are formed in the area, corresponding to the light-transmitting area, of the light shielding layer, light can penetrate through the first holes, and therefore the light-transmitting area has the light-transmitting effect. Therefore, light-transmitting ink does not need to be overprinted in the light-transmitting area on the light-shielding layer, and the technical problem that the display effect is affected due to the fact that obvious marks exist at the ink overprinting position of the display module can be solved.

The invention relates to a printing registration detection method, device and equipment. The method comprises the following steps: acquiring a to-be-detected image of a printing plate; wherein the printing plate is made on the basis of a printed electronic file added with at least two mark groups, and the mark groups comprise marks of multiple colors; for each mark group, determining an original distance between a first marker in the to-be-detected image and a standard edge of the printing plate; wherein the first marker is a marker of a main color; determining the position offset of a second marker in the to-be-detected image relative to the first marker in a specified direction; wherein the second markers are markers of other colors except the main color; and detecting the overprinting error according to the original distance and / or the position offset. According to the invention, the problems of inaccurate front and back overprinting during front and back printing, skew printing plate installation and registration detection between colors can be well solved.

The utility model relates to the technical field of printing machinery, in particular to a multi-face turnover seal which comprises a base. The shell is arranged on the base in a sliding mode, and the shell can slide relative to the base in the vertical direction; the spring is arranged between the base and the shell and is used for providing reset elastic force; the sensor is arranged on the shell and is used for detecting the position of the shell relative to the base; the multi-face seal penetrates through the base and is rotationally arranged in the shell; and the multi-surface seal can be automatically overturned to another seal surface after the seal operation is completed by pressing the shell. The inconvenience of frequently replacing stamps or carrying a plurality of stamps is avoided, and the office and operation efficiency is greatly improved. The seal template is ensured to be accurately positioned after being overturned each time, so that high-precision and high-efficiency automatic overprinting is realized.

This invention discloses a method for preparing printing ink for smooth, hard food surfaces, comprising the following steps: preparing a mixed solution of plant protein; mixing it with shellac in anhydrous ethanol, then adding polyol and pigment for dispersion, followed by grinding and filtration to obtain the final product. This invention enables gravure printing on the hard, smooth surfaces of food, exhibiting good adhesion, excellent ink transfer properties, clear and smooth printing, and a certain degree of water resistance. Furthermore, it controls the ink drying speed; black and white inks dry at a moderate speed to avoid cracking and peeling; color inks dry at a moderate speed to avoid clumping. It also allows for overprinting of two or more colors, and the ink has good abrasion resistance, preventing color fading during transportation after packaging.

The application provides a kind of carbon fiber mandrel main leaded soft plate overprint process, belong to soft plate printing technical field. Symmetrical, even arrangement each mandrel around center impression cylinder, start the air supply and exhaust unit of mandrel, anilox roll is sleeved on mandrel, close air supply and exhaust unit, anilox roll contracts and tightly and in mandrel. Wrap the printing material on the center impression cylinder, start the closed double doctor inking system for anilox roll quantitative ink supply, and by servo motor control mandrel and anilox roll relative center impression cylinder front and back displacement. Start the drive unit of printing material, while the printing material rotates around the center impression cylinder, each mandrel drives corresponding anilox roll to approach the center impression cylinder, and complete impression and overprint under the preset printing pressure. After completing overprint, start the air supply and exhaust unit again to replace each anilox roll, enter the next cycle of soft plate overprint. The application can realize the accurate overprint of soft printing material.

The invention relates to the technical field of textile printing and after-finishing, and discloses a gauze printing imitation sand washing process which comprises the following steps: performing chemical activation pretreatment on a gauze base material to provide a suitable surface for subsequent treatment; the split type printing paste with the interpenetrating network characteristic and the dual response function is prepared, and the binding force with a base material is enhanced; a pressure grading response type superposition overprinting process is adopted, and preliminary construction of patterns is achieved; an interpenetrating polymer network is constructed through a thermally induced chain reaction, and a printing structure is stabilized; and performing purification treatment and shaping finishing on the gauze to obtain a finished product. Chemical activation pretreatment is carried out on a gauze base material, functional printing paste containing dual-response microcapsules is cooperatively adopted, pressure and heat energy are used for carrying out grading and response type printing and curing on the paste, and in the single technological process, a finished product is endowed with excellent durability and fastness, soft hand feeling and controllable sand washing imitating appearance.

The utility model relates to the technical field of overprinting machines, and discloses an overprinting fountain solution dosage control device which comprises a solution box, a control mechanism is fixedly connected to the surface of the solution box, and a sealing mechanism is arranged at the top of the solution box. The control mechanism comprises a control seat, the control seat is fixedly connected to the left side of the liquid tank, a limiting plate is arranged in the control seat, a circular ring is fixedly connected to the right end of the limiting plate, sliding blocks are fixedly connected to the four ends of the surface of the circular ring correspondingly, and a supporting ring frame is fixedly connected to the bottom end of the circular ring; the middle of the bottom of the supporting ring frame is fixedly connected with a conical plug block, and the top of the limiting plate is fixedly connected with a supporting strip. According to the overprinting fountain solution dosage control device, the circular ring can be driven to slide correspondingly under the limitation of the circular ring in the solution box, finally, the conical plug block is driven to slide up and down, the gap between the conical plug block and the bottom end in the solution box is changed, operation is quite convenient, and therefore the overprinting fountain solution dosage control effect is achieved.

This invention provides an automated control method, system, and related equipment for screen printing, used to achieve automated alignment and improve the efficiency and accuracy of screen printing. The method in this invention may include: calculating a critical pixel value based on automatic block distance and resolution parameters, and generating a dilation kernel based on the critical pixel value to perform dilation processing on the overprinted image, so that adjacent black graphics with a pixel spacing not greater than a corresponding threshold form a connection; performing connected component detection on the dilated image, and iteratively merging the bounding rectangles of overlapping regions to obtain each independent block region in the overprinted image and recording the original coordinates of each independent block region; performing feature matching in the printed image and recording the matching coordinates of successfully matched regions; calculating the true positional deviation between the original coordinates and the matching coordinates, and adjusting the position of each independent block region in the overprinted image along the same direction as the true positional deviation to generate a corrected image.

The utility model relates to the technical field of four-color overprinting monitoring of ink-jet printers, and discloses a four-color overprinting on-line monitoring and adjusting device of an ink-jet printer, which comprises a casing, and two groups of monitoring racks are arranged on the casing and are respectively provided with a back surface monitoring assembly and a front surface monitoring assembly. The back assembly comprises a back detection camera, a back overprinting camera and a back color code detection sensor. The front assembly comprises a front detection camera, a front overprinting camera and a front color code detection sensor. The back and front monitoring assemblies on the two monitoring racks can monitor four-color overprinting on the front and back of the paper on line at the same time, and accuracy and consistency are ensured. The back and front detection cameras capture images in real time, and the back and front overprinting cameras recognize overprinting marks, judge concentricity and determine the deviation degree. The back color code detection sensor and the front color code detection sensor detect black marks and trigger the overprinting camera to work, and automatic monitoring and adjusting are achieved.

1. The name of this design product: Silk screen drying oven. 2. Purpose of the product with this appearance design: used to dry the surface of the substrate during the platen silk-screen printing process to facilitate multi-color overprinting of the substrate. 3. The design key point of this appearance design product lies in the shape. 4. The picture or photo that best illustrates the design points: Stereoscopic diagram 1.

To provide a method for determining alignment accuracy of a printed matter capable of surely confirming print registration misalignment between a first printed pattern according to a first printing method and a second printed pattern according to a second printing method.SOLUTION: A printing alignment accuracy determining method for a printed product 1 of the present invention involves overlapping printing of a first printed pattern 10 obtained by a first printing method and a second printed pattern 20 obtained by a second printing method on at least a part of the surface of the base material. The first printed pattern 10 is formed by a first printed line 11, and the second printed pattern 20 is formed by a second printed line 21. The method is characterized by using a first printed line protruding shape part 11a or a first printed line end part 11b of the first printed line 11 as a verification point 12, and determining the deviation in registration at the position where the verification point 12 contacts the second printed line 21.SELECTED DRAWING: Figure 1

The multicolor adhesive-edge-free heat transfer printing technology comprises the following steps that S1, a composite release film is prepared, and a release surface comprises a bottom layer printing area A, a pattern printing area B and an adhesive layer bearing area C of which the release force is sequentially increased; s2, the area A is coated with waterborne polyurethane-acrylic acid hybrid bottom layer slurry, hot air drying and ultraviolet light curing are sequentially carried out, and a high-elastic bottom layer is formed; s3, carrying out multicolor overprinting on the B area by using at least two aqueous slurries in nano pigment dispersion liquid, and immediately carrying out photocuring after each color is printed; s4, the pattern layer of the area C is coated with water-based bonding slurry, and pre-drying is carried out; and S5, the treated transfer printing film and the fabric are overlapped for transfer printing, the release film is torn off after cooling, and the multicolor adhesive-edge-free transfer printing product is obtained. According to the sectional type multicolor printing curing process, the multicolor transfer printing effect of high performance, high environmental protection performance and high water resistance is achieved.

This invention provides a method, apparatus, and coating machine for adaptive intercoating in secondary overprinting, relating to the field of lithium battery processing. The method includes: detecting the printing position during the secondary overprinting process using a color mark group; calculating the position deviation between the printing position and the target position; adjusting the phase of the gravure roller based on the position deviation; detecting the new printing position based on the phase-adjusted gravure roller; measuring the actual intercoating value based on the new printing position; comparing the actual intercoating value with the process setting value to obtain the secondary overprinting result; the secondary overprinting result is used to indicate whether the printing position is ahead or behind; and adjusting the speed of the gravure roller based on the secondary overprinting result to complete the secondary overprinting. This application improves the accuracy of intercoating in secondary overprinting by real-time correction of the gravure roller speed to match the material feed speed, forming a closed-loop adjustment.

The present invention provides a transfer film for holographic graphic printing, which has a layered structure consisting of a plastic base film layer [1], a release layer [2], and a transfer layer. The transfer layer is composed of transfer units arranged in a longitudinal and transverse manner. Each transfer unit contains a pattern used on a piece of board material for a package. The transfer layer has a holographic laser layer [4] and an aluminum plating layer [5]. The holographic laser layer has a laser effect pattern. The transfer layer also has a printed graphic layer [3]. The printed graphic layer has a blank space that is in a registration relationship with the laser effect pattern, and the registration deviation between the blank space and the laser effect pattern is ≤±10um. Since the release layer, printed graphic layer and holographic laser layer in the above-mentioned transfer layer are completed online in one go on the printing press, its high precision, integrated features and novelty, creativity and practicality have changed the defects of the existing iron printing process, such as multiple processes, difficulty in controlling the registration accuracy and high loss.