901 results about "Layer thickness" patented technology

The invention belongs to the technical field of electroplating process optimization, and particularly discloses a titanium alloy surface electroplating control method which comprises the following steps: dynamically generating a hanger posture configuration scheme based on workpiece three-dimensional contour data acquired in real time; a bubble distribution image and electroplating liquid flow field data are synchronously collected, and a bubble-flow field coupling feature set is generated through multi-modal fusion; performing real-time linkage adjustment on the rotation speed and the swing amplitude of the workpiece according to the coupling feature set; after electroplating is completed, plating thickness, edge integrity and surface defect data are collected, and a multi-source plating data set is formed by combining workpiece position information; historical data and real-time data are integrated to carry out hanger layout adjustment judgment, and hanger spacing dynamic reconstruction optimization is started when adjustment is needed. According to the method, multi-parameter cooperative control and closed-loop quality optimization in the electroplating process are achieved, the uniformity and integrity of a titanium alloy workpiece coating are remarkably improved, and generation of bubble related defects is effectively restrained.

The invention discloses a 3D printing path optimization method for a multi-joint industrial robot, and relates to the field of 3D printing path optimization. The method comprises the steps that a normalized torque load index is generated according to the joint torque of the mechanical arm, and a layer cutting thickness sequence is generated in combination with the model surface curvature; a vibration risk index is constructed through the joint angular acceleration, the attitude interpolation weight is dynamically adjusted, and an attitude interpolation trajectory is generated; according to the distribution characteristics of the temperature field around the path point, calculating a thermal coupling factor, generating a thermal avoidance path offset, and correcting the path point; calculating a collision risk score based on the minimum Euclidean distance between the path point and the obstacle model; and fusing the cutting layer thickness, the vibration risk, the thermal coupling factor and the collision risk score, and constructing a global path scoring function. Through comprehensive consideration of mechanical arm load, vibration risk, heat accumulation and collision risk, printing precision and quality are effectively improved, path smoothness is optimized, vibration and heat influences are reduced, material deformation is avoided, and stability of the printing process is ensured.

An additive manufacturing method based on micro-selective laser melting technology. By using a spot size of 30 μm or less, a metal powder layer thickness of 10 μm or less and ultrafine metal powders having a D90 particle size of 30 μm or less, and in combination with the control of a scanning laser power, a scanning rate, a linear energy density and a volumetric energy density within specific ranges, the method can print complex-structured metal parts having extremely high resolutions and surface smoothness, and can obtain a high-density internal structure of a component even under a relatively low energy density or power condition, thereby effectively protecting an optical system. Moreover, a printed component exhibits a defect-free microstructure, and has excellent electrical properties, thermal properties and mechanical properties. Particularly, ultrafine grains and a high dislocation density provide superior mechanical properties compared to conventional manufacturing materials. An infrared laser device can be used, thereby achieving low costs.

The invention provides a photoacoustic measurement method and device, and the method comprises the steps: carrying out the photoacoustic measurement of a to-be-measured object through a photoacoustic measurement device, and extracting a reference value of a physical parameter of each film material according to an obtained reflectivity change signal; further acquiring a reflectivity change simulation signal based on the reference value of the physical parameter of the material so as to acquire a simulation value of the physical parameter of each film material; and performing weighted correction on the reference value by the simulation value to obtain a fitting value of the physical parameter of each film layer material. The fitting value of the physical parameter of each film layer material obtained by the technical scheme of the invention can reflect the change of the physical parameter of the material in the actual film layer growth process of the object to be measured, has higher accuracy as the initial value of the physical parameter of the simulation model, and is beneficial to optimizing the efficiency and precision of photoacoustic measurement of the thickness of the film layer.

The invention discloses a multilayer co-extrusion heat-shrinkable film and a preparation method thereof, the film comprises an outer wear-resistant layer, a middle support layer and an inner functional layer, the thickness ratio of each layer is 1: 3: 1-1: 5: 1, the total thickness is 50-150 [mu] m, and the raw materials are prepared according to respective formulas. The preparation method comprises the steps of raw material preparation, melt mixing, die head extrusion, two-way stretching, water-cooling shaping, electronic crosslinking, aging treatment, heating softening and cold and hot shaping. The carbon nanotubes (CNT) and the h-BN nanosheets synergistically hinder crack propagation in the middle layer, so that the crack propagation resistance of the film is remarkably improved, the tensile strength, the thermal shrinkage rate and other properties are also optimized, compared with a traditional film, the comprehensive properties of wear resistance, high strength and high thermal shrinkage rate are achieved through interface collaborative design, meanwhile, the production cost is reduced by 20-30%, and the application prospect is wide. The method is suitable for food packaging, electronic device protection and other fields.

A transmission coating for a waveguide is formed with multiple layers. There are steps of a) determining a first coating parameter and a coating function for each layer -3000, b) forming the multiple

The invention relates to the technical field of three-dimensional measurement, and discloses a coating thickness measurement method and system based on a multi-source sensor, and the method comprises the steps: obtaining and fusing point cloud data of the multi-source sensor, and constructing a three-dimensional curved surface model of a component through curvature analysis and normal vector estimation; calculating an optimal incident angle of the sensor relative to each area of the curved surface based on the model, and generating a dynamic attitude adjustment parameter; according to the parameters, the three-axis attitude of the sensor is adjusted in real time for signal acquisition, and original measurement data are obtained; frequency domain analysis is carried out on the original data to diagnose reflection distortion, and correction is carried out in combination with time domain filtering and spatial domain smoothing; and finally, calculating a thickness value in combination with the three-dimensional model, detecting and repairing a data missing region by using Fourier transform and an interpolation algorithm, and generating a complete thickness distribution diagram. According to the invention, high-precision and automatic measurement of the thickness of the complex curved surface coating is realized.

The invention discloses a preparation method for ensuring thickness uniformity and form and location tolerance of a coating of a slender shaft, the slender shaft is a slender stepped shaft-shaped part, the preparation method comprises base body processing before plating, hard chromium plating and machining after plating, in the base body processing process stage before plating, a center hole is adopted as a processing reference, finish machining is carried out according to the shape of the part, and the thickness uniformity and the form and location tolerance of the part are guaranteed. It is ensured that the form and position error and dimensional tolerance of the machined part meet the requirements; in the hard chromium plating stage, the non-chromium-plated part is protected, and the chromium-plated part is subjected to hard chromium plating; and in the post-plating machining stage, the center hole is adopted as a machining standard, post-plating rough machining is conducted firstly, then post-plating finish machining is conducted, grinding is conducted to meet the design requirement, and a plated workpiece is obtained. By the adoption of the preparation method, the problem of machining deformation of the slender shaft type structural part is thoroughly solved, the machining performance is stable, the production efficiency is high, special equipment and tools do not need to be configured, and the method is suitable for large-scale production and machining.

A main object of the present technology is to improve the reliability of a magnetic recording tape by controlling the distribution of the binder in the underlayer.The present technology provides a magnetic recording medium including a magnetic layer, an underlayer, and a base layer in this order, the underlayer containing a chlorine-containing binder, the underlayer including a part having a thickness of 130 nm or less, the part having a chlorine count equal to or more than a threshold described below:[T⁢hreshold]=[⁠an⁢ average⁢ chlorine⁢ count⁢ in⁢ the⁢ underlayer]+6×[a⁢ standard⁢ deviation⁢ determined⁢ in⁢ calculation⁢ of⁢ the⁢ average⁢ chlorine⁢ count].Furthermore, the present technology also provides a magnetic recording medium including a magnetic layer, an underlayer, and a base layer in this order, the underlayer containing a chlorine-containing binder, the underlayer including a part having a thickness of 12% or less of a thickness of the underlayer, the part having a chlorine count equal to or more than the above-described threshold.

The invention discloses a composite material performance prediction method based on multi-field coupling multi-scale analysis and a knowledge graph, which integrates microstructure modeling, graph neural network representation learning, cross-scale parameter coupling modeling and robust optimization analysis. The method is suitable for prediction and design of key mechanical properties such as modulus, strength and toughness of a thermosetting / thermoplastic composite material under different working conditions. The method comprises the following steps: firstly, constructing a grain-level tissue knowledge graph based on an electron backscatter diffraction image, secondly, constructing a multi-scale input system comprising a microscopic variable (such as a fiber volume fraction), a mesoscopic variable (such as a layer thickness sequence) and a macroscopic variable (such as a load condition), and finally, performing robust optimization by utilizing a multi-objective evolutionary algorithm to obtain a multi-scale input system. And outputting a material performance prediction result and a knowledge graph associated with the ji structure-process-performance. According to the method, the accuracy and interpretability of performance prediction of the composite material can be remarkably improved, and data-knowledge dual-drive support is provided for design optimization of the high-performance composite material.

The invention discloses a manganese-copper alloy with high damping performance and a preparation method and application thereof. The preparation method comprises the steps that manganese-copper alloy powder is subjected to laser layer-by-layer scanning printing through a laser powder bed melting technology, and then the printed manganese-copper alloy is subjected to direct aging treatment. Obtaining a result parallel to the construction direction by regulating and controlling printing processes such as a laser scanning strategy, a layer thickness, a scanning interval and a substrate temperature; 001gt, 001gt; and the manganese-copper alloy is manufactured through strong texture additive manufacturing. Owing to lt; 001gt, 001gt; the oriented grains have more twin-crystal martensite variants, and twin-crystal martensite is easier to move under the action of external stress, so that the manganese-copper alloy has higher damping performance. The vibration reduction component is prepared by utilizing the special advantages of forming hollow, hollow-out, thin-wall and other complex structures of laser additive manufacturing, combination of manganese-copper damping alloy material vibration reduction and structure vibration reduction can be effectively achieved, and the manganese-copper damping alloy material can be widely applied to the field of vibration reduction and noise reduction of satellites, ships, rail transit, high-precision machine tools and other high-end equipment.

The invention discloses a PCB (Printed Circuit Board) processing method for reducing broken needles during drilling of small micropores and a PCB. The PCB processing method comprises the following steps of: classifying all to-be-drilled holes on the whole board according to the drilling diameters of the drilled holes; for the micro holes with the hole diameters not larger than a preset threshold value, the accumulated copper layer thickness needing to be drilled in the machining process corresponding to each hole is counted, and the accumulated drilled copper thickness is obtained; for each type of fine holes, partitioning each hole with the same hole diameter according to the accumulated drilling copper thickness; according to the zoning result, CNC programs used for drilling machine machining are set in a zoning mode; setting the maximum drilling number of the same drill point in each area according to different substrate materials and the accumulative drilled copper thickness; according to different accumulative drilled copper layer thicknesses, the drilling stroke of the high-blade-length micro drill point is split, the types of the drill points and the service life limit times of the drill points can be finely classified, and compared with a traditional machining method, the problem that the drill points are broken and scrapped due to the fact that the service life drill points appear in a high accumulative copper thickness area can be greatly solved.

The invention discloses a regulation and control process for a nitridation gradient permeable layer of a die-casting special-shaped die, and belongs to the technical field of die nitridation, and the regulation and control process comprises the following steps: S1, carrying out three-dimensional quantitative analysis on the die to obtain three-dimensional information of the die, and dividing the surface of the die into regulation and control areas of four grades of A, B, C and D; s2, regulation and control area parameter mapping: calling a corresponding basic process parameter set from a preset process parameter mapping table according to different grades of the regulation and control area; s3, mold partition ion nitriding; s2, an ion nitriding furnace with multiple paths of independent control anodes and partitioned gas conveying nozzles is arranged, the mold is placed in the nitriding furnace, the process parameter sets, obtained in the S2, of all the regulation and control areas are distributed to a partitioned gas conveying control system and an anode power supply system to conduct permeation on the mold, and the mold is cooled to the room temperature; the industrial problems that due to the fact that geometrical characteristics of a special-shaped mold are complex, the infiltrated layer thickness is not uniform, and the structure property difference is large are solved, and the infiltrated layer with the enough thickness can be obtained in areas difficult to infiltrate such as deep cavities and narrow slits.

The invention discloses a method for manufacturing a surface flexible layer rigid-flexible combined board for an intelligent video module, which comprises the following steps of: taking a double-sided flexible copper-clad plate, and windowing a first surface copper layer corresponding to a first via hole to form a flexible core board; taking the first cover film and windowing corresponding to the first via hole to form a windowing cover film; correspondingly attaching the windowing covering film to one side of the second copper layer of the flexible core plate to form a covering film core plate; taking a prepreg, manufacturing a glue-blocking film corresponding to a flexible area of the prepreg, forming a glue-blocking prepreg, and manufacturing a rigid core plate; sequentially stacking and laminating the plates from top to bottom, enabling the glue blocking film to face the covering film core plate, then manufacturing a through hole in the rigid region, performing laser ablation on an insulating medium layer corresponding to a copper layer windowing pattern, electroplating, performing uncovering processing, removing a second copper layer at the bottom of a blind hole, forming a first via hole, and performing molding to form the rigid-flexible combined plate. The metallization process of the flexible area and the metallization process of the rigid area are combined into one-time electroplating, so that the consistency of the thickness of a copper plating layer is ensured.

A method and apparatus for correcting the thickness of a film layer, and a computer device. The method comprises: acquiring parameter values of controllable parameters and time information corresponding to the parameter values, and generating a first vector set and a second vector set; inputting the first vector set and the second vector set into a pre-trained prediction model to output a predicted value of a thickness correction value, the pre-trained prediction model comprising a convolutional neural network and a gated recurrent unit arranged in parallel, the convolutional neural network being configured to process the first vector set, and the gated recurrent unit being configured to process the second vector set; and adjusting the parameter values of the controllable parameters on the basis of the predicted value of the thickness correction value.

The invention provides a 3D printing path planning method and system for a three-dimensional curved surface. The method comprises the steps that printing area identification is conducted on a 3D printing model, a curved surface area is obtained, slicing processing is conducted according to the dynamic slice layer thickness, a printing path is obtained through a preset printing path planning method according to the dynamic slice layer thickness, node representation is conducted on the printing path, weight values between path nodes are determined, and a printing path sorting table is generated; 3D printing is executed, detection is conducted through a preset visual sensor, curved surface parameters are obtained, and 3D printing parameters are adjusted according to the curved surface parameters; according to the method, self-adaptive layering processing is carried out by fusing the material performance, the printer parameters and the 3D printing requirements, the path is represented in a nodal mode, the weight values between the nodes are constructed, the path sorting table is generated accordingly, transition path planning and optimization are carried out, 3D printing path planning and optimization of the three-dimensional curved surface are achieved, and the 3D printing efficiency and the printing quality are improved.

The invention relates to the field of photovoltaic cell preparation, and particularly provides a formula adjusting method and device for a plasma enhanced chemical vapor deposition process. The method comprises the following steps: acquiring a state parameter vector of a plasma enhanced chemical vapor deposition process machine in an operation process, and predicting a predicted film layer thickness corresponding to the state parameter vector; if the predicted film layer thickness does not meet the preset error, selecting k adjustable factors with top contribution degrees in the state parameter vectors as target adjustment factors; according to the gradient descending direction of the film layer thickness, searching a historical state parameter with the minimum Euclidean distance with the state parameter of each target regulation factor in a good product historical database, and taking the historical state parameter as a current formula parameter; and according to the state parameter vector corresponding to the current formula parameter, regenerating a predicted film layer thickness until the predicted film layer thickness meets a preset error, and taking the parameter in the current state parameter vector as a target formula. According to the technical scheme provided by the invention, the reject ratio of photovoltaic cell production is reduced.

The invention discloses a morphology reconstruction method for a deposition layer of a ceramic matrix composite air film cooling structure, and belongs to the field of engineering thermophysics. According to the method, on the basis of traditional fluid-solid coupling heat transfer simulation, a track of dust particles on the surface of the ceramic-based composite material air film cooling structure is simulated in combination with a dispersed phase model, deposition layer thickness distribution characteristics are obtained, and after coordinate positions and normal vectors on surface grids are obtained through a user-defined function, the deposition layer thickness distribution characteristics are obtained. And directionally moving the coordinates at different positions of the component along the normal direction by the distance of the deposition thickness to obtain coordinate values of the surface of the sediment, and sequentially reconstructing the obtained coordinate point clouds into a polygonal mesh surface and a geometric model to obtain the geometric morphology of the reconstructed deposition layer. Therefore, the comprehensive cooling efficiency and attenuation characteristics of the ceramic-based composite material air film cooling structure under the influence of the deposited particles can be accurately calculated by simulating and analyzing the influence of the deposited layer on parameters such as flow characteristics and temperature distribution on the wall surface.

The invention discloses an intelligent control system and method for pre-plating impurity removal of electrogalvanizing, and belongs to the technical field of intelligent control of pre-plating impurity removal. The system comprises a bubble influence correction module, a pre-plating state optimization module, a workpiece thickness adjustment module and a plating solution component impurity removal module. The measurement result of the thickness gauge is dynamically corrected according to the bubble influence parameters in the pre-plating process, and the influence of generated bubbles on the accuracy of the measurement result of the thickness gauge is reduced; pre-plating state optimization treatment is conducted according to pre-plating state parameters in the pre-plating process, and the influence of plating solution quality fluctuation on the plating solution performance and the pre-plating layer quality is reduced; anode configuration is dynamically optimized according to the thickness of the workpiece at each position point, and the influence of the thickness of the workpiece at each position point on the uniformity of the pre-plating layer is reduced; and auxiliary impurity removal is carried out according to the components of the pre-plated plating solution, and the plating thickness measurement accuracy is improved by solving the problems of bubble attachment and air gaps of the plating solution, so that the evaluation and control of the pre-plating quality are optimized.

The invention relates to a sample preparation method for coating thickness detection, which comprises the following steps: circularly heating and cooling a base material to obtain a weakly combined base material with a base material body and a coating locally separated; and forming a cut extending along the thickness direction of the coating in a local separation area of the coating of the weak combination base material to obtain a coating section sample vertical to the surface of the base material. Due to the difference of linear cutting expansion coefficients of a base material body and a coating, alternating thermal stress is initiated at the interface of the base material body and the coating through cyclic heating and cooling processes, so that the base material and the coating are controllably and locally separated, a weakly combined base material is obtained, and a cut extending in the thickness direction is prepared in the surface of the locally separated coating. A coating section sample perpendicular to the surface of the base material can be obtained through simple mechanical separation. The method can be used for efficiently preparing a coating sample with clear section and good integrity at low cost on the premise of not depending on expensive or high-damage equipment.

The invention belongs to the technical field of alloys, and particularly relates to a 3D printing titanium alloy and a preparation method thereof. The invention particularly provides a preparation method of a TA15 titanium alloy for selective laser melting printing. The structure uniformity and the mechanical property of a material can be remarkably improved. By optimizing SLM printing process parameters (including laser power, scanning speed, filling spacing and layer thickness), the heat accumulation effect and cooling rate in the forming process are effectively controlled, so that a microstructure with high density, uniform structure and refined grains is obtained, and the hardness, strength and toughness of the titanium alloy are improved.

The invention provides an FDM3D printer flow calibration method, and relates to the technical field of 3D printing molding, the method comprises the following steps: monitoring an extrusion resistance value in real time through an extrusion pressure sensor, and dynamically adjusting the rotation speed of an extruder screw based on the resistance value; acquiring temperature gradient distribution of a nozzle area by using an infrared thermal imaging module, establishing a temperature-viscosity-flow mapping relation, and constructing a dynamic flow model so as to correct the thermal expansion and cold contraction effect of the material; the thickness of a printing layer is measured through a laser displacement sensor, and flow compensation is triggered in combination with a preset layer thickness threshold value; flow calibration is carried out through multi-sensor feedback and dynamic parameter adjustment, the automatic calibration process is achieved, manual intervention is reduced, interference factors such as mechanical resonance and material shrinkage are compensated in real time, the calibration precision is improved, and the calibration time is shortened.

The invention discloses a rapid forming method for preparing a multi-layer thick and high-precision complex part, and belongs to the technical field of additive manufacturing, the method comprises the following steps: S1, part self-adaptive partitioning treatment: firstly partitioning the whole target part according to an internal entity and an outer surface, then adaptively dividing a partition into sub-partitions, and adaptively designing the width of the outer surface; s2, multi-layer thickness collaborative slice printing is conducted, specifically, the optimal forming layer thickness is set according to the partition characteristic difference, layer thickness collaborative slice design is achieved, and meanwhile the incidence relation between the layer thickness and the outer surface width is established; and S3, layered alternate scanning printing is conducted, specifically, highly-differentiated laser process parameters and scanning strategies are adopted for slices of different partitions. By means of the method, the metal part with the complex geometrical characteristics and the variable-thickness structure can be efficiently and precisely manufactured, and the quality and efficiency of the SLM technology in the complex metal part manufacturing process are remarkably improved.

The invention discloses an electroplating process method for preparing a deep-etching thick metal mask, and belongs to the technical field of micro electro mechanical system electroplating processes. Comprising the following steps: firstly, carrying out photoetching and patterning on the surface of a wafer by using positive photoresist; then, carrying out seed layer sputtering on the wafer subjected to pattern photoetching, and forming a to-be-electroplated region with a preset pattern through a stripping process; then, photoetching is carried out on the to-be-electroplated area through negative photoresist, and a thick photoresist layer with the thickness larger than that of a preset metal coating is formed; and finally, the electroplating area is electroplated, and the metal coating with the preset thickness is obtained. According to the method, the negative photoresist process is adopted, so that the transverse growth of the metal coating is effectively inhibited, the perpendicularity of the side wall of the metal coating is improved, and meanwhile, the damage to the surface of the wafer when the seed layer in the non-electroplating area is removed is avoided. The problems that mushroom-shaped protrusions are easily formed on the edge of a plating layer, crystal grains are coarsened and the like in the electroplating process of an existing electroplating method are solved.

The invention provides a low-cost selective laser melting (SLM) titanium alloy printing method, and aims to solve the problems of narrow powder particle size range, low powder utilization rate, low forming efficiency and low density in the prior art. The method comprises the steps that TC4 titanium alloy powder with the particle size ranging from 15 micrometers to 100 micrometers is provided, and the powder utilization rate and the forming quality are remarkably improved by optimizing technological parameters such as laser power, the scanning speed, the printing layer thickness, the powder laying speed and annealing heat treatment. By using the large-particle-size powder and the large layer thickness, the printing speed can be increased, the printing time can be shortened, and meanwhile a formed part with high density (larger than or equal to 99.9%) and high performance is guaranteed. The titanium alloy material has excellent mechanical properties, and is suitable for aerospace, medical treatment and other high-performance engineering applications. Compared with a traditional method, the method has the advantages that the production cost is reduced, the performance and production efficiency of the material are improved, and the method has a wide market application prospect.

A first method includes: accessing a coating thickness range; triggering sensors to capture scan and depth data of a workpiece; assembling a virtual model; defining initial spray parameters and a toolpath; driving a coating applicator to apply coating; capturing updated depth data; calculating coating thickness; and, if the thickness falls below the minimum target, redefining spray parameters and toolpaths to reapply coating until the target thickness is applied. A second method for media blasting a workpiece includes, during a scan cycle: capturing images via an optical sensor along a scan path; compiling a virtual model; accessing blast parameters; and generating a tool path for a workpiece region based on the model and parameters. During a processing cycle, the second method includes navigating a blast nozzle along the tool path with actuators and projecting blasting media onto the workpiece according to the blast parameters.

The invention relates to the technical field of FPC (Flexible Printed Circuit) laminated structure optimization, in particular to a module FPC laminated structure optimization system based on signal integrity, which comprises a laminated parameter sensitivity extraction module used for defining the thickness of a dielectric layer, the thickness of a copper foil and a dielectric constant as closed interval values with upper and lower boundaries according to FPC design specifications. According to the method, the accumulated deviation area and the normalized confidence score are obtained in combination with integral operation, conversion from a frequency domain to a time domain and from qualitative analysis to quantitative evaluation is achieved, tiny flaws of impedance continuity are captured, inferior paths are screened based on the confidence score, and a physical junction area is positioned. The geometric gravity center of the deviation area is calculated to be matched with the slope and the length of the gradient line, a smoothly-transited geometric figure is constructed, structural compensation can be achieved in areas where impedance is prone to sudden change such as a reinforcing plate junction and covering film pressing, and signal reflection caused by physical sudden change of a stacked structure is eliminated.

The invention discloses a hard coating with thermal stability and high-temperature oxidation resistance as well as a preparation method and application of the hard coating, and belongs to the technical field of nitride hard coatings. The hard coating is composed of a bottom columnar crystal TiAlN base coat, a middle columnar crystal AlTiCrN middle layer and an AlCrSiBN surface layer of a surface nanometer composite structure. Low-aluminum TiAl target deposition is adopted for the TiAlN base layer, high-aluminum AlTi target and AlCr target co-deposition is adopted for the middle of the TiAlN base layer, and high-aluminum AlCrSiB target deposition is adopted for the AlCrSiBN surface layer; the thickness of the TiAlN base coat is 0.1 to 0.5 [mu] m; the thickness of the AlTiCrN intermediate layer is 1.0 to 2.0 [mu] m; and the thickness of the AlCrSiBN surface layer is 0.05 to 0.2 [mu] m. The coating has high film-substrate binding force, thermal stability and high-temperature oxidation resistance. The inner layer of the coating has excellent thermal stability, and the outer layer of the coating has excellent high-temperature oxidation resistance, so that the coating has wide application prospects on the surfaces of products such as cutting tools and molds.

Pattern transfer source substrates and printing methods are described, providing multi-layer paste stack elements like conductor lines or bumps, so that each stack element is printed on a receiving substrate in a single illumination step. The paste is filled layer-by-layer, possibly having different materials in different layers, with layer thickness controlled by parameters of the filling elements, e.g., in case of blades, the pressure, angle, velocity and flexibility (material) of the blade. Specifically, a bottom layer of the stack may be configured to interface the receiving substrate while one or more top layers may be configured to optimize the quality of the printed features. For example, bottom layers may be configured to bind to the substrate, to modify the substrate and / or provide a barrier from top layer(s) which may not be compatible with the substrate. In case of bumps, different layers may include adhesive and soldering materials.

The utility model discloses an UTG composite polaroid, and belongs to the technical field of polaroids, the UTG composite polaroid is characterized by comprising a PET protective film layer, an UTG material layer, an adhesive layer, a polyvinyl alcohol film layer, a protective film layer, a pressure-sensitive adhesive layer and a release film layer which are sequentially stacked from top to bottom, and the thickness of the UTG material layer is 10-70 [mu] m. According to the display panel, one layer of OCA glue is reduced, the product thickness is reduced, the foldability is good, the cover plate glass and the polaroid can be directly combined in the processing procedure, the OCA glue material and the laminating procedure in the laminating process are omitted, the product cost is reduced, and the display panel has the advantages of high water vapor barrier rate, excellent RA reliability, excellent optical performance, high transmittance, good expansibility and the like. And the expansion effect of various special requirements is met.