849 results about "Adhesive bonding" patented technology

The invention provides a bio-based adhesive and a preparation method thereof. Inspired by a spider thread structure, biomass adhesive interface enhancement based on a tannic acid adhesion group is combined with construction of a differential phase separation structure by biomass-induced polylipoic acid depolymerization, and a brand new strategy of adhesion-cohesion synergistic enhancement of the adhesive strength of the adhesive is realized. According to the invention, tannic acid and carboxymethyl chitosan are introduced into a lipoic acid-based adhesive, so that the purpose of synergistically enhancing the bonding performance of the adhesive through adhesion-cohesion is achieved, and the defects of weak cohesion, low bonding strength, poor water resistance, poor moisture resistance and the like of the conventional biomass adhesive are overcome. Benefited from a new strategy of adhesion-cohesion synergistic enhancement, the biomass adhesive has good adhesive strength in various environments and materials. In addition, the biomass adhesive also has the characteristics of biological safety, antibacterial and mildew-proof properties and recoverability, so that the product has wider application and potential compared with the previous product, and has a good application prospect.

The invention discloses a long-term vacuum maintenance type Fabry-Perot cavity and a preparation method thereof. An annular gasket is clamped between two reflecting lenses to directly bond in a vacuum environment through Van der Waals force, a vacuum core cavity which is permanently sealed and is vacuum in the air is formed, the vacuum core cavity is fixedly placed in a glass sleeve, and the two ends of the glass sleeve are sealed through an ultraviolet light adhesive bonding interface by adopting optical window pieces. After the interior of the glass sleeve is vacuumized through the exhaust pipe, the glass sleeve is sealed through local heating sintering, and a two-stage vacuum barrier is formed; the Fabry-Perot cavity is long in vacuum holding time and small in size, and does not need to be externally connected with a vacuum pump to maintain vacuum; the device is simple, and the vacuum degree of the Fabry-Perot cavity can be maintained for more than two years under the condition that the processing difficulty is not improved.

The invention relates to the technical field of semiconductor packaging, in particular to a film expanding mechanism and a memory bank main control chip die bonder. The memory bank main control chip die bonder comprises an operation machine table, an eutectic system, a first feeding system, a second feeding system and a visual positioning system, and the eutectic system comprises a die bonding bearing table, a two-dimensional motion module connected to the lower portion of the die bonding bearing table and a dispensing mechanism arranged above the die bonding bearing table. The die bonding device comprises a die bonding bearing table and a die bonding heating assembly arranged on the die bonding bearing table, the die bonding bearing table is provided with a plate channel, the die bonding heating assembly comprises a material carrying top plate and a heating piece arranged in the material carrying top plate, and the material carrying top plate is located in the plate channel; the first feeding system comprises a chip feeding table, a two-dimensional moving module and a wafer taking device, the two-dimensional moving module is used for driving the chip feeding table to move, and the wafer taking device comprises an ejector pin mechanism and a chip conveying mechanism. According to the invention, the eutectic die bonding function and the adhesive die bonding function are integrated on one device at the same time.

The invention relates to a light / heat / magnetic detachable high-strength polyurethane adhesive as well as a preparation method and application thereof. The light / heat / magnetic detachable high-strength polyurethane adhesive comprises a polyurethane adhesive and a functional filler. According to the light / heat / magnetic detachable high-strength polyurethane adhesive prepared by the preparation method disclosed by the invention, the colloid is black, and the adhesive has excellent light absorption performance and can realize rapid separation of an adhesive interface under infrared irradiation through a heat effect; meanwhile, the ferroferric oxide can be vibrated and heated under the action of an external magnetic field due to the magnetic response characteristic of the ferroferric oxide, so that fracture and separation of the adhesive layer are promoted. By means of the technology, efficient and reversible disassembly of parts bonded through the hot melt adhesive is achieved, possibility is provided for recycling and reusing of bonding materials and devices, and the problem that traditional polyurethane hot melt adhesive cannot be recycled is solved.

The invention relates to the technical field of cable processing, and discloses a mica tape cross-linked polyethylene insulated cable which comprises a copper conductor, a mica tape, a cross-linked polyethylene insulating layer, a filling material, a wrapping layer and a cable sheath from inside to outside, the mica tape comprises mica paper, a reinforcing material and an adhesive, and the adhesive comprises tung maleic anhydride type mica glue and MgO / gamma-Al2O3 composite filler. The adhesive adopted by the mica tape comprises the MgO / gamma-Al2O3 composite filler and the tung maleic anhydride type mica glue, and the MgO / gamma-Al2O3 composite filler can improve the heat conductivity coefficient and the dielectric property of the tung maleic anhydride type mica glue, so that the heat conductivity and the insulativity of the mica tape are improved.

A sticky tape that can be heated and separated in a short time and can effectively prevent thermal damage to an adherend is provided. The sticky tape separable by heating, includes: an intermediate layer A containing a heating element and an adhesive agent; an adhesive agent layer B1 disposed on one surface side of the intermediate layer A and containing an adhesive agent; and an adhesive agent layer B2 disposed on the other surface side of the intermediate layer A and containing an adhesive agent. At least one of the adhesive agent layer B1 and the adhesive agent layer B2 is a heat-insulating layer C further having heat-insulating properties, or a heat-insulating layer C with heat-insulating properties is further provided at least one of between the intermediate layer A and the adhesive agent layer B1 and between the intermediate layer A and the adhesive agent layer B2.

The invention relates to the technical field of photovoltaic packaging materials, and discloses a modified POE photovoltaic packaging adhesive film, a preparation method thereof and a photovoltaic module. The modified POE photovoltaic packaging adhesive film is prepared from 60 to 100 parts of POE resin, 8 to 50 parts of barrier master batch, 0.5 to 2 parts of composite silane coupling agent, 0.5 to 1.5 parts of cross-linking agent and 0.2 to 2 parts of assistant cross-linking agent, the barrier master batch comprises 5-30 parts of polar functionalized grafted POE and 3-20 parts of a barrier agent; the blocking agent is a cycloolefin copolymer COC with Tg less than or equal to 120 DEG C. The modified POE photovoltaic packaging adhesive film has the advantages of high light transmittance, PID resistance and the like of the existing POE adhesive film, and also has high bonding strength and low water vapor transmittance to photovoltaic glass; the problems of adhesion, water resistance and light transmittance of the POE adhesive film are solved synergistically, the inherent processing compatibility problem between COC and a POE substrate is solved, and a foundation is laid for improving the long-term reliability of a photovoltaic module.

The utility model relates to the technical field of biological information monitoring, and discloses a thin biological information monitoring device convenient to assemble, which comprises a flexible circuit board, a biological electrode and a flexible battery, an electronic element is arranged on the top surface of the flexible circuit board, the flexible battery is attached to the bottom of the flexible circuit board, the biological electrode is attached to the bottom of the flexible battery, and the flexible battery is located between the flexible circuit board and the flexible battery; a connecting end extends out of the peripheral side of the flexible circuit board, and the connecting end is bent and extends to one surface of the biological electrode along the peripheral side of the flexible battery; the connecting end is provided with a fifth power supply bonding pad group, and the flexible circuit board is electrically connected with the biological electrode through the fifth power supply bonding pad group; and a sixth power supply bonding pad group of the flexible circuit board is electrically connected with the flexible battery. According to the design, ultra-thin glue is adopted for attaching and packaging, the product size is reduced, the flexible circuit board layer, the annular flexible battery layer and the biological electrode layer are sequentially assembled in a laminated mode and electrically connected through the conductive bonding pad set, assembling is convenient, and the production efficiency is improved.

A paver pedestal system is a versatile solution for elevated outdoor flooring, commonly used in rooftop terraces, plazas, and green roofs. However, wind uplift poses a significant threat to the stability of such systems, especially in high-wind areas. To mitigate this risk, paver pedestal systems are designed with enhanced features, such as mechanical fasteners, perimeter restraints, and interlocking pavers. These features ensure that pavers remain securely in place during strong winds. Additionally adhesive bonding methods are sometimes employed to further stabilize the structure. By combining these design elements, modern paver pedestal systems offer effective wind uplift protection while maintaining easy installation, drainage efficiency, and aesthetic appeal. This approach not only safeguards against potential damage but also extends the lifespan of rooftop surfaces, ensuring durability and safety in varying environmental conditions.

A method for sealing a substrate including steps: i) providing a membrane sheet including a barrier layer and a plurality of spaced-apart strips on a lower major surface of the barrier layer, ii) providing a fresh cementitious adhesive composition, iii) applying the fresh cementitious adhesive composition to a surface of the substrate to form a wet adhesive layer, iv) covering at least a portion of the wet adhesive layer with the membrane sheet such that at least a portion of the outer surfaces of the strips are directly contacted with the wet adhesive layer, and v) letting the wet adhesive layer to harden to effect adhesive bonding between the membrane sheet and the substrate.

A moisture-permeable waterproof laminated fabric (9) includes an outer fabric layer (2), and a nanofiber nonwoven fabric layer (3) laminated on one face of the outer fabric layer (2). At least one face of the nanofiber nonwoven fabric layer (3) is a water-repellent layer (5). The outer fabric layer (2) and the nanofiber nonwoven fabric layer (3) are partially bonded together with an adhesive (4). A method for manufacturing the fabric includes applying a water repellent agent to at least one face of the nanofiber nonwoven fabric layer (3) and curing the water repellent agent to form a water repellent layer (5), and partially bonding the nanofiber nonwoven fabric layer (3) and the outer fabric layer (2) together with an adhesive (4). As a result, the moisture-permeable waterproof laminated fabric that can continue to display the air permeability and the moisture permeability of its moisture permeable film irrespective of exposure to rain and perspiration during wearing, the method for manufacturing the fabric, and a garment including the fabric are provided.

The invention relates to an attachment (25) for an optical element, in particular for an EUV mirror, comprising: a plurality of projections (31) with connecting surfaces (30) for establishing a material-bonded connection, in particular an adhesive bond, with the optical element. In the attachment (25), at least one connecting surface (30), and in particular all connecting surfaces (30), are substantially circular. The invention also relates to an optical element, in particular an EUV mirror, comprising: a base body, and at least one attachment (25) configured as described above, wherein the attachment (25) is connected to the base body at the connecting surfaces (30) via a material-bonded connection, in particular an adhesive bond. The invention also relates to a semiconductor technology system, in particular an EUV lithography system, which has at least one such optical element.

The present disclosure relates to a separator for a rechargeable lithium battery, and a rechargeable lithium battery including the separator. The separator includes a porous substrate and a coating layer on at least one surface of the porous substrate. The coating layer includes a heat-resistant layer including a binder and a filler, and an adhesive layer including an adhesive binder on the heat-resistant layer. The binder includes a (meth)acryl-based binder including a first structural unit derived from (meth)acrylic acid or a derivative of (meth)acrylic acid, a hydroxyl group-containing second structural unit, and a sulfonate group-containing third structural unit. The filler includes a cubic filler having a particle diameter D50 ranging from about 50 nm to about 250 nm. The adhesive binder includes a fluorine-based adhesive binder having a carbonyl (C═O) functional group.

A pressure sensitive adhesive composition containing a multimer of modified cyclodextrin; a pressure sensitive adhesive obtained from the pressure sensitive adhesive composition; and a pressure sensitive adhesive sheet having a pressure sensitive adhesive layer formed of the pressure sensitive adhesive. The multimer of modified cyclodextrin is preferably a dimer. The pressure sensitive adhesive is preferably an acrylic-based pressure sensitive adhesive and, in particular, preferably contains a crosslinked product obtained by crosslinking a (meth)acrylic ester polymer using a crosslinker.

The invention discloses an integrally-formed carbon fiber composite material Pick racket and a production process, and relates to the technical field of Pick racket production, the integrally-formed carbon fiber composite material Pick racket comprises a carbon fiber shell, a racket core structure is arranged in the carbon fiber shell, the racket core structure and the carbon fiber shell are integrally formed in a hot press mode, and each of the racket core structure and the carbon fiber shell comprises a racket face part and a racket handle part; the racket core structure comprises an elastic base plate, two honeycomb plates are symmetrically arranged on the elastic base plate and fixed through adhesion, an arc-shaped groove is formed in the top of the elastic base plate and the top of the honeycomb plates, a connecting strip is arranged in the arc-shaped groove, and a damping arc block is arranged at the position, corresponding to the joint of the racket face part and the racket handle part, of the elastic base plate and the honeycomb plates. The multi-layer composite racket core structure of the double honeycomb plates and the elastic base plate is adopted, and the multi-layer composite racket core structure and the carbon fiber shell are integrally formed in a hot press mode, so that collaborative optimization of light weight, high strength and shock absorption and noise reduction performance of the racket is achieved, and production efficiency and product consistency are improved.

According to one embodiment, a disk device includes a housing with a bottom wall, magnetic disks supported on a hub of a motor, a printed circuit board provided on an outer surface of the bottom wall, and a wiring board attached on the outer surface of the bottom wall. The bottom wall includes a recess formed in the outer surface, a step located on border between the outer surface and the recess, and through holes opened to the recess. The wiring board includes one end portion disposed in the recess and connection pads on the one end portion, connected to lead wires of a coil. An adhesive is filled into the recess and the through holes, and covers the one end and a solder joint and seals the through holes.

Systems and methods for bond quality assessment are provided. In one example, operations include receiving an input image of a vehicle component have adhesive bonding at a surface of the vehicle component. The operations cause a neural network to generate a set surface of features based on a set of training images. The operations also cause a neural network to classify one or more of the surface features as one or more inadequate coverage regions of the adhesive bonding. The operations further cause the neural network to generate a mapping. The operations cause the neural network to predict a coverage score for the vehicle component based on the one or more inadequate coverage regions. The operations include applying a set of rules to the mapping and the coverage score to generate a bond quality assessment of the vehicle component. The operations include executing a vehicle component fabrication plan.

The invention discloses an automobile flexible luminescent material and a preparation method thereof, and relates to the technical field of automobile interiors. The light-emitting decorative fabric comprises a decorative layer, a light-transmitting fabric layer, a light-emitting fabric layer and a flexible substrate layer which are sequentially bonded through glue from outside to inside, the light-emitting fabric layer is formed by interweaving a plurality of warp yarns and weft yarns, the weft yarns are polymer optical fibers, at least one end of each weft yarn penetrates through an optical fiber bundling pipe and then is connected to a light source, and the light-transmitting fabric layer is connected to the flexible substrate layer. The warp yarn is divided into a plurality of adjacent tension adjusting areas in the length direction of the weft yarn, and the tension of the adjacent tension adjusting areas is gradually increased according to the distance between the adjacent tension adjusting areas and the light source from small to large; the tension of the adjacent tension adjusting areas is controlled to be gradually increased according to the distance between the light source and the tension adjusting areas from small to large, so that the light emitting uniformity of the light emitting fabric is improved.

The application discloses an optical module, comprising: a first shell and a second shell, the first shell and the second shell surround to form a containing space, the containing space is used for containing a circuit board, a boss is arranged in the second shell, and the boss is located in the containing space, an adhesive is arranged on the boss, and the adhesive is used for fixedly connecting the circuit board and the second shell. The optical module does not need to additionally increase a jig, and the jig does not need to be maintained, so that equipment investment and maintenance cost can be reduced, the positioning precision of the jig can be avoided from being affected due to long-term use and abrasion, and the production rhythm can be avoided from being affected due to additional time required for installation and adjustment of the jig, so that the production efficiency can be improved. In addition, the jig is only suitable for a specific model, and the jig needs to be redeveloped when product design is changed, so that the development period is affected, and the boss can be compatible with circuit boards of different size specifications, and the production line flexibility is improved.

A vehicular camera assembly includes a lens barrel accommodating a lens and a camera housing. An imager printed circuit board (imager PCB) includes an imager at a first side. The imager PCB is disposed at the camera housing with the imager facing the lens. An adhesive is disposed between and engages the first side of the imager PCB and the housing. During assembly of the camera, a nozzle dispenses the adhesive onto an attaching portion of the imager PCB and the housing is moved into engagement with the adhesive. As the nozzle dispenses the adhesive, the attaching portion is electrically charged and the nozzle is electrically charged to electrically charge the adhesive. Either the attaching portion is negatively charged and the adhesive is positively charged or the attaching portion is positively charged and the adhesive is negatively charged.

The present invention discloses a multi-layer magnetically shielded gyroscope based on a strip material and an assembly method, belonging to the field of inertial measurement technology. The multi-layer magnetically shielded gyroscope based on a strip material comprises an upper cover, a lower cover, a gyroscope flange, a magnetically enclosed space, optical components, and a gyroscope circuit board. It can provide magnetic shielding protection for a fiber optic ring and offers advantages such as lightweight, low cost, and the ability to select multiple layers of shielding based on actual needs. During assembly, the new strip material is provided with position-limiting measures, eliminating the need for special treatment at the overlapped joints and the need for adhesive bonding to achieve self-fixation of the strip material, thereby improving the reliability of the strip material application.

The invention belongs to the technical field of paper production, and discloses dry-wet mixed absorbent paper production equipment which comprises a double-end mechanical arm assembly and a dry-wet mixed absorbent paper assembly, two sets of synchronous opposite-pressure feeding arm assemblies are arranged at one end of the double-end mechanical arm assembly, and two sets of negative-pressure feeding arm assemblies are arranged at the other end of the double-end mechanical arm assembly; a structure used for synchronously adsorbing and synchronously oppositely pressing a mixed paper base material and a dry paper base material is formed on the synchronous oppositely-pressing feeding arm assembly, in the actual use process, the dry paper base material on the second oppositely-pressing suction cup and the mixed paper base material on the first oppositely-pressing suction cup are synchronously oppositely pressed on adhesive layers on the two faces of an isolating membrane base layer, and in this way, the adhesive layers on the two faces of the isolating membrane base layer are synchronously and oppositely pressed. Synchronous gluing and opposite pressing of a dry paper base material and a mixed paper base material are achieved, meanwhile, in the synchronous gluing and opposite pressing process, the top face and the bottom face of the isolation film base layer are both subjected to opposite pressing force, and through the double-face stress, the isolation film base layer cannot be collapsed or wrinkled in the gluing process, and therefore the production quality is guaranteed.

This invention relates to a composite roll forming equipment and a method for producing the composite roll after lamination and adhesive bonding. The equipment includes an unwinding assembly, a deviation correction assembly, a tension control assembly, a follow-up cutting assembly, a diaphragm unwinding assembly, a lamination assembly, an adhesive bonding assembly, a detection assembly, and a rewinding assembly. The unwinding assembly unwinds the roll, the follow-up cutting assembly cuts the roll and transfers it to the lamination assembly, the diaphragm is unwound from the diaphragm unwinding assembly to the lamination assembly, the lamination assembly laminates the diaphragm to the roll to form a composite roll, the adhesive bonding assembly applies adhesive paper to the diaphragm of the composite roll, the detection assembly detects the composite roll, and the rewinding assembly rewinds it. This lamination method ensures continuous or intermittent lamination of the roll, improving lamination efficiency. The composite diaphragm strengthens the rigidity of the roll, preventing deviation and wrinkling during winding. Applying adhesive paper only at the locations where two diaphragm layers are laminated on the composite roll avoids diaphragm stretching deformation due to excessive tension.

The utility model relates to energy storage system pipe socket adhesion special device, including two clamps, one clamp installs on the first clamping mechanism, the first clamping mechanism installs on the rotating mechanism, the rotating mechanism installs on the support mechanism, the support mechanism sliding installation is in the support platform, and the linear drive mechanism on the support platform drives the support mechanism sliding, another clamp installs on the second clamping mechanism, and the second clamping mechanism sliding installation is in the support platform, and the conveying mechanism on the support platform drives the second clamping mechanism sliding, when working, two clamps slide to the preset position to the same direction, make pipe and pipe socket butt joint and then rotate and stick. The device adopts the clamps to hold the pipe or pipe fitting, and the angle of socket adhesion is more accurate, adopts the rotating mechanism and linear drive mechanism, ensures that the pipe and pipe socket adhesion carry out, improves the adhesion strength, adopts the conveying mechanism, can accurately control the socket length between the pipe and pipe fitting.

The present disclosure relates to a binding agent for printing a 3D green body object. The binding agent includes from about 0.3 wt % to about 3 wt % adhesion promoter including an aromatic maleic anhydride-containing copolymer, from about 2 wt % to about 20 wt % a (meth)acrylic latex binder, from about 10 wt % to about 40 wt % solvent package including from about 3 wt % to about 40 wt % of a coalescing solvent, and from about 40 wt % to about 88 wt % water. The weight percentage ranges are based on total content of the binding agent.

The invention relates to a handle which consists substantially of block-shaped rectangular bamboo elements which are glued together in a plurality of layers, said elements being laid next to one another and against one another substantially in the longitudinal direction of the fibers of the elements and said elements being laid next to one another and against one another on the horizontal plane and forming vertical longitudinal seams between the elements laid next to one another and against one another. At least three layers of the elements are glued together using an adhesive, at least one first layer being glued to a second layer and the second layer being glued to a third layer of the elements. The elements are arranged in an assembly in which the majority of the vertical longitudinal seams of the first layer are substantially offset with respect to the vertical longitudinal seams of the subsequent layer.

An installation method for a heat-insulation structure for refrigerant prevents the occurrence of condensation in a gaseous body layer while the heat-insulation structure for refrigerant has a heat insulating effect by interposing between the gaseous body layer a heat insulator and a hose. An installation method of a heat-insulation structure for refrigerant pertaining to a pipe for refrigerant includes a process for attaching a heat insulator to a refrigerant hose including a refrigerant hose having flexibility so as to tubularly cover the refrigerant hose. Nitrogen gas is injected into a gap formed between an outer circumferential surface of the refrigerant hose and an inner circumferential surface of the heat insulator. Nitrogen gas remaining in the gap is sealed by bonding the refrigerant hose and the heat insulator with a bonding adhesive at both end portions of the heat insulator.

The utility model belongs to the field of laminating equipment, and particularly relates to a stable optical gluing laminating device which comprises a box body, a placing table is fixedly mounted at the top of the box body, an L-shaped frame is fixedly mounted at the top of the placing table, a pressing mechanism for gluing optical glass is arranged on the L-shaped frame, a plurality of rectangular holes are formed in the top of the placing table and the top of the box body, and the rectangular holes are communicated with the L-shaped frame. Positioning seats for positioning optical glass are slidably mounted in the rectangular holes, threaded rods are rotatably mounted on the inner walls of the top and the bottom of the box body, threaded seats are arranged on the threaded rods in a threaded and sleeving manner, a plurality of hinge rods are hinged to the outer sides of the threaded seats, and the top ends of the hinge rods are hinged to the corresponding positioning seats. The optical glass gluing device is reasonable in design, multi-directional positioning of different optical glass can be achieved through movement of the multiple positioning seats, the optical glass is made to be located under the pressing head, meanwhile, the pressing head can be replaced, and the purpose of gluing the different optical glass can be achieved through the pressing head.

This invention provides a leadframe packaging method and structure, relating to the field of chip packaging technology. First, a leadframe is provided. Then, wire bonding is applied to the front side of each first pseudo-pin to form a first connecting arc, achieving electrical connection between multiple first pseudo-pins and / or multiple connecting pins. Next, an adhesive layer is formed on the back side of the connecting frame, and the chip is mounted on the leadframe. Then, a molding compound is formed on the front side of the connecting frame. The adhesive layer is removed, a stepped groove is formed, and finally, a back gold layer is formed. Compared to existing technologies, this invention improves the adhesive bonding strength of the adhesive layer, effectively reducing the risk of adhesive layer detachment during molding, thereby reducing the risk of back adhesive overflow contamination during molding. Furthermore, it mitigates the skin effect during electroplating, improving electroplating quality and process efficiency, resulting in better electroplating quality and higher process efficiency.

The invention provides a weather-resistant high-strength acrylate structural adhesive with long operation time, which is obtained by mixing a component A and a component B, each of the component A and the component B comprises a fluorine-free acrylate monomer, a fluorine-containing acrylate monomer, an acrylate copolymer, an elastic polymer, an impact improver, a stabilizer, a compatibility aid, a filler and color paste, the component A further comprises an oxidizing agent, and the component B further comprises a reducing agent; the acrylate copolymer is a copolymer of a fluorine-free acrylate monomer, a fluorine-containing acrylate monomer and a conventional acrylate monomer, wherein the mole ratio of the fluorine-containing acrylate monomer is not more than 15%. The structural adhesive has the advantages of long operation time and excellent weather resistance, has the high strength performance of the conventional acrylate structural adhesive, and is suitable for various large-area adhesive application scenes and non-automatic adhesive application scenes.