103 results about "Mechanical reliability" patented technology

The invention discloses a socket with safety protection. The socket comprises a multi-mode thermal sensing array, and a fusion array of a miniature infrared thermal imaging sensor array and a distributed fiber grating temperature sensor which are integrated at key points in the socket; according to the active locking mechanism based on the thermal deformation prediction model, a micro servo motor, a ball screw, a pre-tightening spring and a spring bolt form an electronic lock, a shape memory alloy wire is used for rapid and silent emergency unlocking, and the micro servo motor is used for high-precision conventional locking; the dynamic thermal safety boundary algorithm module is used for dynamically calculating the optimal temperature upper limit and the optimal power upper limit of each component in the current state according to factors such as a real-time temperature field, predicted thermal deformation, current charging power and historical charging data; the main controller is used for transmitting a large amount of real-time temperature field data. Through multi-mode sensing, predictive modeling and master-redundancy cooperative execution, thermal safety and mechanical reliability of the charging interface under extreme working conditions are guaranteed.

The invention discloses a CuCr contact and a preparation method thereof, and belongs to the field of alloy contact manufacturing, the CuCr contact is divided into an arc contact area, a transition area and a conductive connection area, and the Cr content of each area is in gradient distribution and is sequentially reduced, so that interface stress concentration can be avoided, and the structural compatibility and mechanical reliability of the whole contact are improved; meanwhile, integrated forming is achieved through the 3D printing technology, the size and the component boundary of each area can be accurately controlled, the complex structure design requirement of the contact is met, and the problems that in the prior art, performance gradient cannot be achieved according to the function requirements of different parts of the contact, and the material utilization rate is low are solved; the printed contact does not have the phenomena of composition segregation, agglomeration, uneven pores and the like, and the problems that in the prior art, Cr elements are difficult to distribute uniformly in a Cu matrix, Cr particles are prone to segregation and agglomeration, local ablation resistance is insufficient, and burning resistance is low are solved.

The invention discloses a spatial gear transmission system reliability evaluation method fusing failure physics and degradation data, and belongs to the technical field of mechanical reliability engineering and fault prediction. The method aims to solve the problem of reliability evaluation of the spatial gear transmission system under the conditions of extreme environment, small sample, multi-failure mode coupling and significant individual difference. The method comprises the following steps: firstly, establishing a gear dynamics model considering nonlinear excitation to obtain dynamic meshing force; then, respectively constructing wear and fatigue degradation models based on failure physics; then, introducing an inverse Gaussian random process considering individual differences to carry out single failure mode reliability modeling; and finally, a Copula function is utilized to construct a binary correlation competition failure model, and system-level reliability comprehensive evaluation is realized. Through the technical route of physical mechanism driving, uncertainty quantification and data statistics fusion, a complete evaluation system is formed, and key technical support is provided for on-orbit health management and life prediction of the space gear transmission system.

The utility model discloses an auxiliary scanning positioning device which is used for being connected with a conveying device, the conveying device comprises a machine frame and two carrier roller assemblies, the two carrier roller assemblies are arranged in a spaced mode, are both connected to the machine frame and are used for conveying a steel rail in the designated direction, and the auxiliary scanning positioning device comprises a calibration body and a supporting assembly. The calibration body is used for being spaced from the carrier roller assembly and can be connected to a rack, the calibration body is provided with a fixed channel and a plurality of calibration points, the calibration points are distributed in the circumferential direction of the fixed channel, the supporting assembly comprises a supporting piece, and the supporting piece is used for being connected with the rack and can rotate relative to the calibration body. A calibration channel for a steel rail to pass through is formed between the supporting piece and the inner wall of the fixed channel. According to the utility model, the problem that the mechanical reliability of the shear-type mechanism is easily reduced and detection errors are caused because the gravity of the steel rail is transmitted to the shear-type mechanism through the calibration plate can be effectively solved.

The invention discloses a whisker-reinforced composite porous ceramic material as well as a preparation method and application thereof, which are based on a new process of combining silicon carbide and cordierite and are combined with factors such as silicon carbide particle size and sintering conditions to really realize effective combination of low thermal expansion characteristic of cordierite and high strength characteristic of silicon carbide. The invention aims to synchronously improve the thermal shock resistance and mechanical bearing capacity of a product so as to provide a DPF filter body material with better performance. Furthermore, in order to optimize the filtering performance, mullite whiskers grow in the composite matrix in situ, and a more efficient particulate matter trapping network is constructed, so that the mechanical reliability, the thermal stability and the filtering efficiency are synergistically improved.

The invention provides an alloy solder and a solder ball. The alloy solder comprises the following components in percentage by weight: 1.0 to 5.0 weight percent of silver, 0.01 to 1.0 weight percent of copper, 0.01 to 1.0 weight percent of nickel, 0.005 to 0.015 weight percent of germanium, 0.05 to 1 weight percent of bismuth, 0.01 to 1.0 weight percent of indium and the balance of tin. The silver can significantly improve the heat-resistant cycle performance and adjust the melting point characteristic. The copper can improve the wettability of the alloy. Nickel can restrain overgrowth of intermetallic compounds on a welding spot interface, and the mechanical reliability of the welding spot is improved. And germanium can improve the oxidation resistance. Bismuth can maintain high shearing force, and meanwhile, the tensile strength and the yield strength of a welding spot are remarkably improved. The indium can improve the toughness of the solder and the binding force of the interface IMC. According to the alloy solder, the alloy variety and content are controlled within the range, and the heat-resistant cycle performance and reliability of the alloy solder can be improved.

The invention relates to the technical field of particle accelerators, and provides a medium-assisted acceleration structure and method for realizing low loss and high acceleration gradient by using a low-temperature environment. The structure comprises a medium-assisted acceleration structure body and a low-temperature maintenance and control system, the medium-assisted acceleration structure body comprises a medium layer and a metal cavity to provide electromagnetic field distribution, and the low-temperature maintenance and control system is integrated on the body to maintain the working temperature of the body to be less than or equal to 77K, reduce resistance and dielectric loss and improve a radio frequency breakdown threshold; according to the invention, the radio frequency breakdown threshold is increased at a low temperature, so that the acceleration structure stably operates under higher electric field intensity, and the particle energy gain is increased; the metal resistivity and the dielectric loss are synchronously reduced, the total power loss is reduced, and the energy efficiency is improved; micro-discharge and gas desorption effects are inhibited, the structural stability is improved, and the service life of equipment is prolonged; through low-temperature adaptive design and systematic integration, electromagnetic performance and mechanical reliability are ensured, and the synergistic advantage of low temperature and medium assistance is exerted.

The invention discloses a multi-layer aluminum core copper-clad plate based on a plasma anodic oxidation coating and further discloses a preparation method of the copper-clad plate, and the preparation method comprises the following steps: pretreating an aluminum core; performing plasma anodic oxidation by adopting a pulse power supply, and generating an aluminum oxide ceramic insulating layer on the surface of the aluminum core in situ; positioning and drilling the aluminum core, and sealing the hole with insulating resin; adhering copper foils to the two sides of the aluminum core to form a double-sided plasma anodic oxidation copper-clad aluminum plate; performing pattern manufacturing on the surface of the double-sided plasma anodic oxidation copper-clad aluminum plate, overlapping multiple layers of copper-clad aluminum plates, and performing hot-pressing curing; carrying out through hole processing and hole metallization on the copper-clad plate subjected to multi-layer lamination; and performing pattern manufacturing and anti-oxidation treatment on the surface of the copper-clad plate to obtain the multi-layer aluminum core copper-clad plate. The multi-layer aluminum core copper-clad plate has excellent mechanical reliability, insulation stability, longitudinal heat conduction efficiency and high-frequency signal transmission performance.

The application belongs to the technical field of cable manufacturing, and specifically discloses a composite cable and a preparation method thereof, which comprises an inner sheath, the inner sheath is internally provided with connecting sleeves, the connecting sleeves are internally provided with connecting cores, the inner sheath is internally provided with first filling layers at the outer walls of the connecting sleeves, the outer wall of the inner sheath is circumferentially provided with control cores, the outer wall of the inner sheath is provided with an insulating layer, the control cores are located in the insulating layer, the gap between the control cores and the insulating layer is filled with a second filling layer, the second filling layer is connected with the outer wall of the inner sheath, the middle part of the outer wall of the insulating layer is provided with a reinforcing shielding layer, and the outer wall of the insulating layer is provided with a buffer sleeve. The application improves the mechanical reliability, anti-interference ability and service life of the cable in a poor environment.

This invention relates to the field of energy storage equipment structural simulation and mechanical reliability assessment technology, specifically a strain node assessment system for energy storage cabinets based on mechanical simulation. The system includes: a basic data parsing module, which acquires three-dimensional structural data and material property data of the energy storage cabinet, extracts assembly and bonding features, and performs finite element mesh generation to form an initial strain node set; a dynamic interference injection module, which acquires historical operating environment load characteristic data and generates a dynamic interference load spectrum through a generative adversarial network model; a trust entropy assessment module, which extracts ideal stress tensor sequences and nonlinear stress tensor sequences and calculates the dynamic divergence rate, defining it as the node-level simulation trust entropy; and a topology reconstruction module, which optimizes and reconstructs target nodes exceeding a threshold and iteratively updates them, outputting a structural optimization assessment report or an initial safety assessment report. This invention enables early screening of high-risk assembly nodes in energy storage cabinets and provides decision support for structural reconstruction.

The invention belongs to the technical field of metallurgical materials, and relates to a preparation method of a Ti3SiC2 / BN / B4C reinforced copper-based brake pad material. According to the high-iron copper-based brake material prepared by taking nickel-chromium alloy, Sn and Si powder as raw materials, taking hBN and Ti3SiC2 as lubricants, taking cBN and B4C as hard phases and supplementing a small amount of nickel-chromium alloy, Sn and Si powder, the high-iron copper-based brake material has excellent tribological performance, mechanical reliability and service stability. In the aspect of a lubricating system, hBN is used as a high-temperature lubricant, so that the friction coefficient and abrasion are effectively reduced; ti3SiC2 serves as ternary layered ceramic and has the electric conduction and heat conduction performance of metal and the high temperature resistance performance of ceramic, a small amount of nickel-chromium alloy, Sn and Si powder are supplemented, and the problem that brake vibration and howling are likely to be generated due to excessive SiC and TiC hard phases of a carbon-ceramic brake interface is solved. The brake pad has the characteristics of high-temperature friction stability, low wear rate and environmental friendliness, and provides a high-reliability solution for a high-speed rail braking system.

The invention discloses a carbon emission optimization method based on a diesel engine, and relates to the field of diesel engines. According to the method, crankshaft dynamic balance characteristics are accurately extracted through a multi-source sensing and adaptive filtering technology, and state association and evolution laws of a mechanical structure are deeply excavated by using a space-time diagram convolutional network; a digital twinborn body fused with physical constraints is constructed to realize prospective prediction of carbon emission intensity, and finally, a collaborative optimization instruction is generated by means of a multi-target reinforcement learning agent to realize accurate regulation and control of an oil injection system and a balancer, so that the combustion efficiency of a diesel engine is remarkably improved, carbon emission is effectively reduced, and the service life of the diesel engine is prolonged. And meanwhile, the operation stability and the mechanical reliability are guaranteed.

The application provides a DC valve hall wall bushing structure, which comprises a plurality of pipe sections axially sleeved on a current-carrying guide rod, and a moving ring axially movably sleeved outside the pipe sections; the moving ring is driven to move on the pipe sections in a direction close to an adjacent first connecting ring, so as to trigger a first positioning assembly and a second positioning assembly respectively, so that the first positioning assembly locks the relative position between the adjacent first connecting ring and a second connecting ring, and the second positioning assembly locks the relative position of the current-carrying guide rod inside the pipe section. The traditional integrated bushing is improved into a sectional structure with a plurality of pipe sections axially sleeved, so that the transportation, installation and maintenance difficulties of the super-long bushing are effectively solved, the problem of excessive cantilever load caused by the single body being too long and too heavy can be avoided, and the butt joint between the pipe sections and the fixation between the pipe section and the current-carrying guide rod can be conveniently and efficiently completed by driving the moving ring only, so that the structure is stable, the operation is simple, and the mechanical reliability is high.

The invention provides a fixing assembly of a high-temperature superconducting magnetic fluid propulsion refrigeration device, and belongs to the technical field of high-temperature superconducting magnet cooling. The fixing assembly comprises an epoxy pull rod, a titanium alloy pull rod, an epoxy pull rod base, a cable-stayed base, a titanium alloy pull rod base and a titanium alloy pull rod tailstock. The two ends of the epoxy pull rod are connected with an epoxy pull rod base on the end face of the high-temperature superconducting magnetofluid storage device and an inclined pull base welded to the inner wall of an outer layer Dewar of the refrigeration device respectively to form a symmetrical inclined pull rod structure. One end of the titanium alloy pull rod is connected with a titanium alloy pull rod base on the end face of the high-temperature superconducting magnetofluid storage device, and the other end of the titanium alloy pull rod penetrates through the side circumferential face of the magnet Dewar and then is fixed by a titanium alloy pull rod tailstock arranged on the side circumferential face of the outer-layer Dewar of the refrigeration device to form a vertical hoisting structure. The fixing assembly simultaneously meets the requirements of mechanical reliability, huge electromagnetic force resistance, reduction of room temperature heat conduction, prevention of thermal deformation, fine management of low-temperature thermal stress and reduction of operation energy consumption.

The invention relates to the technical field of thick film materials special for electronic elements, in particular to a flexible heating assembly for an electronic element and a preparation method of the flexible heating assembly. The fiber supporting structures are distributed in the macromolecular continuous phase structure in a strip-shaped manner; and a plurality of conductive particles, wherein the plurality of conductive particles are uniformly distributed in the polymer continuous phase structure. Wherein part of the fiber supporting structure is a porous structure, and the porous structure is filled with the conductive particles. The flexible heating assembly has high conductivity, can be driven to heat under low voltage, has excellent mechanical stability, can bear a certain degree of repeated stretching and bending, maintains the conductivity in a stable interval, accords with a calculation result of artificial intelligence multi-scale simulation, and is suitable for popularization and application. The problems of excellent mechanical reliability, interface stability and electric heating performance of the flexible heating assembly in the fields of intelligent wearable devices, automotive electronics and the like are solved.

The scheme discloses a SOP8L power device packaging structure and a preparation method thereof. The packaging structure comprises the following steps: a reverse cutting structure is designed for a lead frame, so that the carrier frame is located at the top area of the package after packaging is completed; a top insulating heat dissipation structure is arranged on the carrier frame and the back surface of the semiconductor chip at the top of the package; a whole drain pad is formed by a plurality of pins at the bottom of the package, and a through hole is arranged on the drain pad; a target pin connected to the gate of the semiconductor chip is a composite structure comprising a gull wing structure and a straight insertion structure; and the top insulating heat dissipation structure, the drain pad and the pin area of the package are not packaged. The packaging structure does not need to use compressible thermal bonding materials, realizes stable and predictable low-thermal-resistance heat dissipation through the top insulating heat dissipation structure, and cooperates the reverse cutting frame and the riveting pad to improve the mechanical reliability of the package.

The utility model relates to a tensile self-contraction power line assembly, and aims to improve the tensile capability and the automatic contraction performance of a power line. The power line assembly comprises a power line body and a spring winding box, the power line body is composed of at least one strand of conductor core, an insulating layer, a fiber reinforcing layer and an outer sheath, and the fiber reinforcing layer is made of aramid fibers or fiber materials with similar tensile strength so as to provide longitudinal tensile support and enhance the tensile resistance and durability of the power line. The outer layer is coated with the elastic low-carbon steel wire tensile strip, and the spiral structure of the elastic low-carbon steel wire tensile strip enhances the self-contraction performance of the power line, so that the power line is prevented from being wound, and the use convenience and safety are improved. By accurately controlling material selection and structural design, the high-strength flexible cable can maintain excellent electrical performance and mechanical reliability under the conditions of high stress and frequent bending, and is widely applicable to high-strength use scenes.

The invention provides a light-weight double-section blowing type forming process for a glass bottle, belongs to the field of glass product processing, and solves the problems of low forming production efficiency, insufficient precision, poor system performance and the like of the existing glass bottle. Comprising the following steps: S1, preparing and melting raw materials; s2, feeding and prototype forming; s3, shaping and strengthening; s4, annealing treatment; and S5, carrying out online detection and sorting. According to the invention, through double-section pressure blowing and addition of a special reinforcing agent, the difficult problem of consideration of light weight and strength is successfully solved, dynamic initial blowing pressure control based on viscosity and servo precise control of mold movement are adopted, and an online laser thickness measurement and intelligent feedback system is combined, so that process parameters can be automatically and finely adjusted, and the consistency and qualified rate of products are improved; each core module is provided with an electric three-dimensional positioning mechanism, so that quick and accurate centering and cooperative adjustment of the mold are realized; a whole-process quality monitoring system from forming to delivery is integrated, the mechanical reliability and durability of each delivery product are ensured, and defective products are avoided.

A wafer-scale silicon substrate includes through-silicon spring structures incorporating fracture-arrest features that prevent crack propagation and maintain functionality under overload or thermal stress. Each spring structure may include widened nodes, rounded etch termini, or stress-dissipating anchor points positioned along compliant beams. These structures limit fracture length and localize strain damage, allowing the wafer to remain mechanically and electrically functional even after partial spring failure. The fracture-arrest features are defined lithographically and formed concurrently with the springs using a deep reactive-ion etch, providing robust mechanical reliability for wafer-scale assemblies operating under high thermal and mechanical stress.

The utility model discloses a battery cover plate assembly, battery, battery pack and vehicle, battery cover plate assembly includes: cover plate, insulator, spacing piece and sealing piece, the cover plate is equipped with the mounting hole, insulator is provided in the mounting hole, spacing piece is provided between cover plate and insulator, sealing piece is provided between cover plate and insulator, and the sealing piece is provided with the mounting hole. The sealing piece and the limiting piece are arranged on the two sides of the cover plate in the thickness direction. Therefore, the assembling mode of the insulating part, the limiting part and the sealing part on the cover plate can reduce the volume of the battery cover plate assembly, so that the occupied space of the battery cover plate assembly on the battery is reduced, the occupied space of the battery is increased, and the internal capacity of the battery is improved. According to the battery cover plate assembly, by optimizing the assembling mode among the limiting piece, the sealing piece and the insulating piece, the assembling cost of the battery cover plate assembly can be reduced, and reliable mechanical reliability and sealing performance can be provided while electrical safety is ensured, so that the overall stability and durability of the battery are improved.

The invention discloses an ultrathin network transformer with an enhanced locking structure and a preparation method thereof, and belongs to the technical field of network transformers, the ultrathin network transformer comprises a base and an upper cover, the base is internally provided with two accommodating cavities, components of the network transformer are placed in the accommodating cavities and are sealed by glue, the upper cover is of a plate-shaped structure, two hanging plates are arranged at two ends of the upper cover, and the upper cover is provided with a locking structure. The two hanging plates are each provided with two buckle holes, two clamping hooks are arranged at the positions, right opposite to the buckle holes, of the base, and the four clamping hooks can be clamped into the four buckle holes to tightly fix the upper cover to the base. Matching locking is achieved through the two sets of buckle holes and clamping hooks which are symmetrical on the single side, the mechanical reliability is enhanced, the electromagnetic shielding effectiveness is improved, the sealing performance is improved, the assembling technology is optimized, and it is ensured that assembling is in place.

Embodiments of current disclosure include a multicore optical fiber including a radius RCC ranging from 126 μm to 180 μm, and core elements disposed within the common cladding. The common cladding may include an inner common cladding region, and an outer common cladding region surrounding the inner common cladding region and doped with TiO2. At least one core element may include a core region, a dedicated inner cladding region surrounding the core region, and a dedicated outer cladding region surrounding the dedicated inner cladding region. A mode field diameter at 1310 nm of the at least one core element may be greater than or equal to 8.6 μm. The at least one core element may be separated from a nearest-neighbor core element by a minimum separation distance DNN greater than or equal to 35 μm and less than or equal to 43 μm.

This invention discloses a side-opening tailgate guide device, comprising: a door-side guide block with a guide protrusion thereon; and a vehicle-side guide block with a guide groove that mates with the guide protrusion. The opening size of the guide groove is configured to accommodate the guide protrusion within a preset positional deviation range. The guide device also includes a sensing module for monitoring the tailgate's status parameters and outputting sensing data. This side-opening tailgate guide device, through deep integration of structural optimization and intelligent sensing, directly and effectively solves the long-standing mechanical reliability problems of side-opening tailgates, such as small guide tolerance, poor impact resistance, and difficulty in closing, thus improving the guiding effect and support force. Furthermore, it provides effective data for product quality control, fault prevention, and next-generation product design through digital status monitoring. This invention also discloses a vehicle and a data acquisition method for a vehicle tailgate.

The invention provides a TGV glass substrate and a preparation method and application thereof, the TGV glass substrate is provided with at least one glass through hole, and at least one end of the glass through hole is in a horn mouth shape; the depth-diameter ratio of the glass through hole is (3-100): 1, and the minimum diameter of the glass through hole is less than or equal to 10 microns. At least one end of the glass through hole of the TGV glass substrate provided by the invention is in a horn mouth shape with the depth-diameter ratio of (3-100): 1 and the minimum diameter of less than or equal to 10 microns, so that the flowability of electroplating liquid is remarkably improved, the uniformity of metal filling is improved, gaps are reduced, and the bonding area of the filling metal and the inner wall of the glass through hole of the glass substrate is increased, so that the metal filling uniformity is improved. The bonding force between the filling metal and the inner wall of the glass through hole of the glass substrate is effectively enhanced, so that the electrical connection stability and the mechanical reliability are improved, and the structure is suitable for high-density advanced packaging.

The utility model relates to a connector wire harness testing device, in particular to a connector wire harness research and development low-temperature-resistant testing device, which comprises a mounting seat, a testing box, a testing socket, a connecting plate, telescopic rods, springs, a vibration motor and the like, the testing socket is fixed on the inner wall of the rear side of the testing box, and the four telescopic rods are connected to the top of the mounting seat at intervals. A connecting plate is connected among the four telescopic rods, the test box is fixedly connected to the top of the connecting plate, the vibration motor is fixedly installed on the top of the test box, the telescopic rods are sleeved with springs, and the two ends of the springs are connected with the connecting plate and the fixed ends of the telescopic rods respectively. Through the cooperation of the telescopic rod, the spring and the vibration motor, the test box can be driven to vibrate up and down, the test box transmits the vibration to the connector inserted in the test socket, the dynamic low temperature resistance test in the actual working condition is simulated, the test error can be reduced, and the test efficiency is improved. The electrical performance and the mechanical reliability of the connector wire harness in an extreme environment can be accurately evaluated, and the defects of a traditional static test are overcome.

Provided in the present invention are a dual-interface smart card substrate layer, and a dual-interface smart card. The dual-interface smart card substrate layer comprises: a bearing layer, a first connecting structure, an antenna, and a chip module, wherein the first connecting structure, the antenna and the chip module are all borne by the bearing layer, and both the first connecting structure and the antenna are electrically connected to the chip module; orthographic projection regions of the first connecting structure and the antenna on a normal plane of a target surface of the bearing layer overlap; and orthographic projection regions of the chip module and a strip module mounting region of the bearing layer on the target surface of the bearing layer do not overlap, the target surface of the bearing layer being one of the surfaces having the largest area of the bearing layer, and the normal plane of the target surface referring to a plane where a normal line of the target surface is located. Thus, the mechanical reliability of a chip can be improved, and costs can also be reduced.

The present application belongs to the technical field of plastic processing of thin-walled aluminum alloy products, and relates to an aluminum alloy seamless gas cylinder and a manufacturing method thereof. The gas cylinder is formed by a cylinder mouth side half cylinder and a cylinder bottom side half cylinder through seamless inertia friction welding. The cylinder mouth side half cylinder and the cylinder bottom side half cylinder are both prepared by performing severe plastic deformation on an aluminum alloy cylinder body at room temperature through a low-temperature high-pressure torsion device. The shoulder and / or bottom curve surface of the cylinder is formed by layer-by-layer crystallization refinement of metal under high pressure, and a uniform nano-scale or sub-micron ultra-fine grain structure is formed in the material. The present application solves the problems of wrinkle, stacking and high scrap rate caused by difficult temperature control in the traditional hot closing process by performing layer-by-layer severe plastic deformation on the aluminum alloy cylinder body at room temperature through a low-temperature high-pressure torsion process, thereby greatly improving the forming quality and mechanical reliability of the gas cylinder.

The invention discloses an anti-slip breathable fabric for shoulder pad underwear and a preparation method of the anti-slip breathable fabric, belongs to the technical field of fabric preparation, and aims to solve the technical problem that the breathability and the anti-slip property of the fabric for the shoulder pad underwear in the prior art need to be further improved. The carboxylated porous skeleton prepared by the invention provides a continuous and stable channel for water vapor transfer, and forms tight combination with a subsequent filling phase, so that the unification of moisture permeation efficiency and mechanical support is ensured; due to the distribution of the double-charge moisture-conducting polymer in pores, the moisture resistance is reduced, the stress concentration is relieved, and the overall durability is improved; multi-scale textures and viscoelastic skin presented by the topologized surface elastomer film can be in stable contact and maintain good comfort in the friction process, and through layer-by-layer connection and function superposition, the material achieves balanced performance in the aspects of moisture resistance, air permeability, friction coefficient, breaking strength and the like, has excellent mass transfer capacity, and also has the advantages of being simple in structure and convenient to use. And the mechanical reliability and the surface stability under long-term use are kept.

This disclosure relates to a glass cover plate, including a light-emitting surface and a side surface adjacent to the light-emitting surface. A first region on the side surface is provided with an anti-reflective structure, which includes a microcrystalline glass structure. By providing an anti-reflective structure in the first region of the side surface, abnormal reflections on the side of the glass cover plate are reduced. Furthermore, the anti-reflective structure, being a microcrystalline glass structure, effectively improves the edge strength of the cover plate and enhances the overall mechanical reliability. This disclosure also relates to a method for manufacturing a display module and a glass cover plate.

This invention provides a split-type cold screen for an infrared detector and its assembly method. The split-type cold screen for the infrared detector includes a cold screen body and matte fins. The assembly method includes: applying a black coating to both the cold screen body and the matte fins, pre-baking them, then initially assembling the pre-baked cold screen body and the matte fins, and finally baking the pre-assembled cold screen to complete the assembly. This invention places the cold screen assembly step after pre-baking and before baking, using the bonding force of the black coating to connect the cold screen body and the matte fins. This eliminates the adhesive bonding step in the split-type cold screen assembly process, solving the problem of using adhesives to bond the cold screen body and matte fins in the split-type cold screen assembly process. This ensures good mechanical reliability of the cold screen assembly in low-temperature vibration environments and also improves the performance of the detector components and the efficiency of the cold screen assembly process.