114results about How to "Enhanced bonding" patented technology

A method of fabricating a silicon-on-plastic layer via layer transfer includes depositing a layer of SiGe on a silicon substrate; depositing a layer of silicon; implanting splitting hydrogen ions into the silicon substrate; bonding a glass substrate to the silicon layer; splitting the wafer; removing the silicon layer and a portion of the SiGe layer; depositing a dielectric on the silicon side of the silicon-on-glass wafer; applying adhesive and bonding a plastic substrate to the silicon side of the silicon-on-glass wafer; removing the glass from the glass side of the bonded, silicon-on-glass wafer to form a silicon-on-plastic wafer; and completing a desired IC device on the silicon-on-plastic. Multi-level structure may be fabricated according to the method of the invention by repeating the last few steps of the method of the invention.

The present invention generally relates to a system that can be used to form a photovoltaic device, or solar cell, using processing modules that are adapted to perform one or more steps in the solar cell formation process. The automated solar cell fab is generally an arrangement of automated processing modules and automation equipment that is used to form solar cell devices. The automated solar fab will thus generally comprise a substrate receiving module that is adapted to receive a substrate, one or more absorbing layer deposition cluster tools having at least one processing chamber that is adapted to deposit a silicon-containing layer on a surface of the substrate, one or more back contact deposition chambers, one or more material removal chambers, a solar cell encapsulation device, an autoclave module, an automated junction box attaching module, and one or more quality assurance modules that are adapted to test and qualify the completely formed solar cell device.

A contact structure on a substrate which has at least one contact is provided. The contact structure includes a compliant layer, at least one solder pad, at least one conductive via, and at least one conductive arm. The compliant layer is disposed on the substrate and covers the contact. The solder pad is disposed on the surface of the compliant layer which is at the opposite side of the substrate. The conductive via is disposed in the compliant layer and is connected to the contact. The conductive arm is disposed on the surface of the compliant layer in opposite to the substrate, and two ends of the conductive arm are respectively connected to the conductive via and the solder pad. Furthermore, a method for fabricating the contact structure, an interposer and an electrical package using the contact structure are provided.

A composite material-stiffened panel has a skin obtained by molding a fiber-reinforced resin composite material into a flat skin, stiffeners arranged in rows on one surface of the skin, and a fiber-reinforced resin-composite material stitched on the skin covering the stiffeners. The composite material-stiffened panel can be manufactured as follows: A first fabric material is placed on a tool having a panel-shaped surface. Stiffeners are placed on the first fabric materials. A second fabric material is placed on the stiffeners to cover at least some of the stiffeners. The second fabric materials are reformed to match the shape of the stiffeners. The reformed second fabric material is stitched on the first fabric material along edges of the stiffeners. All the materials are covered with a bagging film for vacuum. Resin is infiltrated into the fabric materials by a RTM or a RFI method. The infiltrated resin is heated to be hardened.

Tufted carpets bonded with thermoplastic binders and having improved resistance to fuzz formation due to removal of pile yarn filaments from tuft bundles comprise one or more backings, face yarn that forms a pile on one side and stitches on an opposite side, a thermoplastic binder that binds stitches and the backing or backings, and an organic polymer that bonds filaments of the stitches. Processes for making carpets comprise applying to a stitched side of a tufted backing a liquid stitch bind composition comprising an organic polymer component, removing a liquid component of the composition to bond filaments of the stitches and bonding stitches and one or more backings with a thermoplastic binder that is melted or applied as a melt in contact with the stitched side and the backing or backings and solidified.

The invention relates to the fields of separation of mixed gas and purification of feed gas and discloses a high-strength gas purifying and separating adsorbent. CeO2 is introduced into a porous carrier, clay and a caking agent which are loaded with main active components to effectively disperse the main active components. The creative improvement point of the invention is that the CeO2 is effectively introduced into the adsorbent so as to improve the dispersibility of the main active component of Cu<+> or Cu<++> ion, improve the occupation ratio of a metal active center on the surface of the carrier, promote the effective complexation of Cu<+> with CO in the reaction and effectively improve the separation performance of the adsorbent. The CeO2 is introduced to promote an effective silicon and aluminum hydroxyl network to be formed among the carrier, the clay and the caking agent, promote the tight combination among the main active components of the metal ion, the carrier and the caking agent, strengthen the bonding of silicon and aluminum hydroxyl and effectively improve the strength which can reach over 100N. The adsorbent has favorable strength, is beneficial to being applied to a pressure swing adsorption (PSA) device and has improved practicability of wide application.

This invention has discloses a green synthesis method for carbon quantum dot bonded silica gel chromatography filler, which comprises the concrete steps of: mixing the solid powder of aconitic acid and tryptophan to be ground evenly, letting the mixture react under the temperature of 180oC- 200oC for 3 - 6 hours. Through dissolution, centrifugation and freeze drying of the generated solid, the amino-functionalized carbon quantum dots (NCDs) are obtained; After that, NCDs are dispersed in DES and added with gamma-glycidoxypropyl trimethoxy siloxane(GPTMS). Under the protection of N2 and the temperature of 55oC- 65oC, the mixture is stirred to react for 22 - 25 hours, then the silica gel (SiO2) is added to react for another 12 - 48 hours. Water and absolute ethyl alcohol are alternatively used to wash the raw product generated from the reaction. Silica gel chromatography filler modified by carbon quantum dots will be generated after drying. This green synthesis method realizes the surface bond of carbon quantum dots and silica gel through epoxy group and amino. DES used in the process of reaction is reaction solvent, which serves as an excellent dispersing agent for carbon quantum dots and silica gel, ensures higher bonded amount, and at the same time, meets the requirements of green chemistry.

The present invention discloses a novel class of calixarene crown ether bond-type silicon-based adsorption materials and a preparation method thereof, belonging to the technical field of metal ion adsorption material preparation. The adsorbent materials have the structure shown in the formula below: wherein, R is H or; and X = 2-12. During the preparation of the adsorbent materials, firstly modifying di(2-propoxy)calix [4] arene-crown-6 to bring reactive amino group to the molecular structure; then a preparing silicon-based precursor containing haloalkyl; and finally reacting amino-substituted di(2-propoxy)calix [4] arene-crown-6 with the silicon-based precursor containing haloalkyl, so that the calixarene crown ether groups are bonded on the silicon carrier to get a novel class of calixarene crown ether bond-type silicon-based adsorption materials. The method provided by the invention is simple in operation; and the obtained adsorption materials have excellent thermal stability and chemical stability, high reusability, and large adsorption capacity for cesium ions.

The invention discloses a castor oil modified polyurethane adhesive combination for an artificial turf gum. The adhesive combination wholly or partially substitutes petro-derived polyalcohol polyurethane adhesive by using renewable material-derived castor oil as polyalcohol to reduce cost, improve processability and ensure environmental friendliness, and simultaneously based on the synergetic effects of modified nano inorganic fillers and the castor oil, maintains the required important performance of the artificial turf, such as withdrawal force, processability, viscosity and curing rate. The polyurethane adhesive combination for the artificial turf gum comprises the following components in portions by weight: 50-98 portions of castor oil, 0-50 portions of polyalcohol, 2-30 portions of chain extender, 0.1-3 portions of catalyst, 0.1-3 portions of surfactant, 0.1-3 portions of pigment, 0.1-3 portions of thixotropic agent, 100-300 portions of modified nano inorganic filler and 10-100 portions of organic polyisocyanate.

Means to increase the UPH of TAB bonding on an HSA manufacturing line to allow a higher UPH to keep cost down and also allow the use of one or more grounds to be add to an HSA to help control ESD without lowering the UPH or redesigning the lines through the use of a multi-head contact TAB bonding tool as described herein A bonding tool for use in tape automated bonding (TAB) is provided that is for multi-contact. The multi-contact TAB bonding tool is ESD safe so as not to damage a device being bonded.

The invention relates to an oblique plunger type pure water hydraulic swash plate pump, which adopts a sphere flow distribution structure of a cone-shaped cylinder. A plunger and a transmission shaft form an included angle, and relative to the transmission main shaft, the plunger is arranged in a shape of cone; and centripetal force generated during operation facilitates return stroke of the plunger. The main shaft is connected with a conical cylinder via a spline, and the plunger is matched with skid shoes via a ball head. A spherical hinge and the cone-shaped cylinder are pressed by a disk spring, return stroke force during the operation of the plunger is provided and sealing of the skid shoe pair and the flow distribution pair is achieved. A flow distribution disc adopts a sphere flow distribution structure, facilitates balancing of subversion moment generated by the cone-shaped cylinder during operation, and improves the self-alignment performance of the cone-shaped cylinder and the flow distribution plate; the cone-shaped cylinder and the sphere flow distribution disc structure enable the flow distribution window pitch diameter of the flow distribution disc to be reduced, water absorption flow rate is reduced, and self-sucking performance of a pump is enhanced. The pump takes filtered fresh water or seawater as the working medium, solves the problems that the self-sucking performance of a pure water hydraulic plunger pump is poor and the return stroke is difficult, and has remarkable technical advantages.

The invention is a composition comprisinga) one or more prepolymers having on average three or more aliphatic isocyanate groups and further containing alkoxysilane groups; b) one or more aromatic polyisocyanates; c) one or more compounds having at least one heterocyclic ring which hydrolyzes when exposed to moisture to form at least one isocyanate reactive group; d) one or more solvents; and e) one or more amine and / or organometallic polyurethane catalysts; wherein the ratio of aromatic isocyanate groups to aliphatic isocyanate groups in the composition is from about 0.5:1.0 to about 1.5:1.0, preferably about 0.9:1.0 to about 1.5:1.0, and the equivalent ratio of isocyanate groups to isocyanate reactive groups derivable from the one or more compounds having at least one hydrolyzable heterocylic ring is from about 0.8:1.0 to about 5.3:1.0, and most preferably about 1.5:1.0 to about 1.7:1.0.

The invention relates to a semiaxis type pure-water hydraulic axial plunger pump supported by bearings in a cylinder, which adopts a semiaxis type structure that a sliding bearing supports a cylinder body. The semiaxis type pure-water hydraulic axial plunger pump is characterized in that a front bearing supports an input shaft, and a rear bearing is the sliding bearing in the cylinder and is used for supporting the cylinder body. Due to reasonable bearing distribution, the stressing of the bearings is reduced, and the overturning moments of flow distribution discs are balanced. A distributed type return spring penetrates through the cylinder body and acts on a spherical hinge and a floating lining plate respectively, so that not only is the sealing of a sliding shoe pair and a flow distribution pair guaranteed, but also the abrasion of sliding shoes and the flow distribution discs can be automatically compensated. The flow distribution discs are fixedly arranged on a rear end cover and are sealed by adopting sealing rings so as to avoid leakage of the back surfaces of the flow distribution discs. A plunger pair adopts an automatic gap-compensating type sealing structure so as to reduce leakage of the plunger pair and improve the anti-pollution capability of the pump. The semiaxis type pure-water hydraulic axial plunger pump adopts filtered fresh water or seawater as a working medium, adopts all-water lubrication for all friction pairs, is high in power density, can be used for industrial cleaning, seawater freshening and underwater operation tools and the like and is wide in application prospect.

The invention belongs to the field of macromolecular rubber materials, and relates to a silicone rubber composition, in particular to a ceramic silicone rubber composite with excellent burning resistance. The ceramic silicone rubber composite is prepared from, by weight, 100 parts of silicone rubber, 20-60 parts of formed ceramic filling, 5-15 parts of fluxing agent and 2-4 parts of vulcanizing agent, wherein the formed ceramic filling is the mixture of alumina silicate fibers and needle-like wollastonite, and the mass ratio of the alumina silicate fibers to the needle-like wollastonite is (15-25):(30-40). According to the ceramic silicone rubber composite with the excellent burning resistance, the compound of the alumina silicate fibers and the needle-like wollastonite is adopted as the formed ceramic filling to improve the thermal stability and burning resistance of the ceramic silicone rubber.

The invention provides an assembly toy. The assembly toy is formed by a plurality of parts 10, 20, 30, and 40 forming a shape of an animal model or a local part of an object model, and are formed by possible connection of the parts 10, 20, 30, and 40 via selection, via changing the parts 10, 20, 30, and 40 to replace connection structures, various shapes are formed and postures are changed, the parts 10, 20, 30, and 40 are respectively provided with magnet assemblies 100 and 110, and are mutually connected via magnetic force. According to the assembly toy, the plurality of parts 10, 20, 30, and 40 are selectively connected or disassembled via the magnet assemblies 100 and 110, forming various shapes, animal models and object models, thereby improving child creativity with shape change of assembly. The assembly toy is advantageous in that, since no strong pressing construction is provided, the child can more easily assemble the parts.

The invention relates to a detachable plunger piston shoe assembly of a swash plate hydraulic pump. According to the detachable plunger piston shoe assembly of the swash plate hydraulic pump, the structural form that a plunger is separated from a piston shoe is adopted, the piston shoe comprises an upper component and a lower component, a sealing check ring is installed on the lower component, during work, the pressing force of a return-stroke plate of the swash plate hydraulic pump enables the upper component of the piston shoe, the lower component of the piston shoe, and the sealing check ring to be closely attached to the plunger, and fluid leakage of a plunger ball head, an inner ball socket of the piston shoe and the end face of the piston shoe is avoided. The plunger piston shoe assembly can be applied to a pure-water swash plate hydraulic pump or a traditional swash plate oil-pressure pump and overcome the defect that an existing plunger piston shoe assembly of the swash plate hydraulic pump is difficult to machine, short in service life, poor in maintainability and the like. The detachable plunger piston shoe assembly of the swash plate hydraulic pump has the advantages of being easy and convenient to machine and manufacture, high in rate of finished products, easy to maintain, and the like.

The invention discloses UHPT tread rubber which can be used in a drifting competition. The tread rubber comprises the following components: emulsion polymerized styrene-butadiene rubber 50-70 phr, solution polymerized styrene-butadiene rubber 30-50 phr, carbon black 50-80 phr, white carbon black 20-50 phr, a silane coupling agent 2-5 phr, oil 30-50 phr, functional resin 8-16 phr, zinc oxide 2-4 phr, stearic acid 1-3 phr, sulfur 1.5-2.5 phr, an accelerator 2.0-3.0 phr, and other components 4-7 phr. The formula of the tread rubber provided by the invention innovatively uses the modified solutionpolymerized styrene-butadiene rubber, the highly-dispersed white carbon black with a high specific surface area and the functional resin, also the ratio of fillers and the mixing process of the treadrubber are reasonably adjusted, and the requirements of the usage performance of daily driving and the drifting competition are taken into account: compared with ordinary UHPT tread rubber, the treadrubber provided by the invention has excellent dry ground gripping and manipulating performance; and compared with professional drifting tread rubber, the tread rubber provided by the invention has significantly-improved service life and better-improved wet ground gripping performance, and can meet multi-purpose requirements of usual driving and the drifting competition.

The invention discloses a graphene / silver nanowire-based cellulose / silk magnetic porous composite material and a preparation method of same. The method includes the following step: supporting nano Fe3O4 particles on supporters being modified cellulose and silk protein, and performing crosslinking, liquid nitrogen treatment and freeze drying to form a cellulose / silk magnetic porous composite material; performing layer by layer self-assembly on the surface of the cellulose / silk magnetic porous composite material with silver nanowires and graphene oxide; reducing the graphene oxide to prepare thegraphene / silver nanowire-based cellulose / silk magnetic porous composite material. Structural stability and mechanical strength of the cellulose / silk porous material are guaranteed and dispersion uniformity of the graphene and silver nanowires in a cellulose / silk base body is ensured. The composite material has potential application value in the fields such as photoelectric materials, adsorption materials, medical materials, biomaterials, etc.

The invention provides high-strength IGBT high-power module encapsulation silica gel and an encapsulation process thereof. The encapsulation gel is high in strength, can resist outside impact, is excellent in weather resistance and has high compatibility and adhesion strength with an IGBT power module. An effect of protecting and insulating the IGBT power module is effectively achieved. The encapsulation requirement of the high-power high-frequency high-voltage large-current IGBT power module is met. The silica gel provided by the invention is a two-component heating and curing adhesive and is prepared by mixing a component A and a component B according to a ratio of 1:1.

The invention discloses a titanium dioxide / nanosilver / cocoon fiber magnetic porous composite material and a preparation method thereof. The preparation method comprises the following steps: modifying salix psammophila cellulose by using polydopamine; carrying out freeze-drying treatment by using liquid nitrogen to obtain the magnetic porous composite material; immersing the magnetic porous composite material into a mixed solution with a silver-ammonia solution and titanium dioxide nanotubes for reacting for 60-300 minutes, taking the magnetic porous composite material out of the mixed solution, then repeatedly washing the magnetic porous composite material with deionized water, and carrying out vacuum drying to obtain the magnetic porous composite material. According to the magnetic porous composite material, salix psammophila and cocoon fibers are used as base materials, so that raw materials are abundant and the cost is low; then magnetic nano ferroferric oxide, nanosilver and titanium dioxide nanotubes are effectively and synergistically self-assembled to obtain a porous nanocomposite material; the porous nanocomposite material has important application values in the fields such as adsorption materials, photocatalysis, biological materials and medical materials and the like.

The invention discloses a treatment method of forming nano holes on the surface of an aluminum alloy and a strong combination method of a metal material and a plastic material. The treatment method comprises the following steps of: S1, selecting a workpiece and mounting the workpiece on a rack, S2, performing preliminary treatment: washing the workpiece with water, removing dust or residual fragments after machining from the surface of the workpiece, S3, performing hole preforming treatment-chemical corrosion, S4, performing hole forming treatment-electrolysis, S5, performing post treatment, and S6, performing soaking treatment to accomplish an entire experiment. The chemical corrosion is adopted during the hole preforming treatment; electrochemical corrosion is adopted during the hole forming treatment; the method is applicable to aluminum alloy materials with different strength; for example, uniform nanoscale holes are formed on the surface of a harder aluminum alloy AL6061-T6; the soaking treatment is performed after the hole forming treatment; the aluminum alloy materials are soaked in an amine compound; and the bonding degree between the aluminum alloy materials and a glue solution can be increased.

The invention provides a chip bonder and a heater plate thereof and relates to a semiconductor test process. The heater plate of prior chip bonder can not be used for devices of different specifications unless the heater plate is rotated and turned over and is used inconveniently. The heater plate of the chip bonder is provided with three heating zones longitudinally for fixing devices and heating the devices to different extent. The device is provided with two parallel lines of pins. The surface of the heater plate is provided with a plurality of parallel card slots longitudinally; each card slot is provided with at least a hole for vacuumizing. The invention further provides a chip bonder. The heater plate provided by the invention can be used for bonding chips of devices of a plurality of specifications without rotating the heating surface of the heater plate. In addition, when the heater plate is used for devices of small specifications, a plurality of devices can be operated synchronously. The recovery efficiency of devices is improved in coordination with electrostatic-proof pipe clips to prevent the pins of the devices from bending and the devices from being damaged by static of human bodies.

The invention provides a packaging structure for an FBAR device. The packaging structure comprises a substrate, at least one first groove, bonding pads, second grooves, a first electrode layer, a second electrode layer and at least one FBAR device plate, wherein the at least one first groove is formed in the upper surface of the substrate; one bonding pad is formed on two sides of the first groove respectively; each second groove is formed in the surface of the corresponding bonding pad; the FBAR device is bonded with the bonding pads, and the electrodes of the FBAR device are arranged in the first groove; the first electrode layer is formed on the lower surface of the substrate, and overlays the tops and the side walls of the second grooves at the same time; and the second electrode layer is formed on the lower surface of the first electrode layer. Correspondingly, the invention also discloses a manufacturing method of the packaging structure for the FBAR device. Through the implementation of the packaging structure for the FBAR device and the manufacturing method of the packaging structure for the FBAR device, the difficulty of the packaging technology can be reduced, and the production technology and production cycle are optimized, so that the packaging cost is greatly reduced.

The invention discloses a rock asphalt fluid fine grinding modification mixing process. The rock asphalt fluid fine grinding modification mixing process comprises the following steps that (1) rock asphalt is crushed till the particle size is 5 mm or below and is dehydrated and activated at the temperature of 150 DEG C-180 DEG C, and the water content in the dehydrated rock asphalt is controlled to be 5% or below; (2) the processed rock asphalt in the step (1) is sheared and ground till the fineness is -150 mesh or above at the temperature of 150 DEG C-180 DEG C; and (3) the processed rock asphalt in the step (2) is glued with matrix asphalt at the temperature of 150 DEG C-180 DEG C. According to the rock asphalt fluid fine grinding modification mixing process, the rock asphalt is crushed, dehydrated and activated and is subjected to hot fine grinding at the high temperature, and the fineness of the rock asphalt is advantageously improved; and meanwhile, the rock asphalt is glued with the matrix asphalt at the high temperature, then the gluing degree between the rock asphalt and the matrix asphalt is improved, and the modification capability of the rock asphalt is advantageously and fully achieved.

The invention discloses a perovskite nanocrystal with a stable morphology at a high temperature and a preparation method of the perovskite nanocrystal, nanocrystal agglomeration caused by falling of a ligand at a high temperature is inhibited by carrying out cation doping in the perovskite nanocrystal, and the high-temperature stability of the nanocrystal is greatly improved. The preparation method comprises the following specific steps: a, mixing Cs (CH3COOH), octadecene and oleic acid, and carrying out a heating reaction under a protective atmosphere condition to obtain a cesium oleate precursor solution; b, dissolving lead halide in a mixture of octadecene, oleic acid and oleylamine at a high temperature in a protective atmosphere; and c, dissolving the metal-doped halide in a mixture of octadecene, oleic acid and oleylamine at a high temperature in a protective atmosphere to obtain a transparent liquid. D, rapidly injecting the cesium precursor in the step a into the liquid in the step b, reacting for 1 minute, injecting the transparent liquid in the step c, reacting for 30 minutes, and rapidly cooling to room temperature, and e, centrifugally purifying to obtain the perovskite-doped nanocrystal with stable morphology at high temperature.

The invention discloses a wear-resistant and high-toughness material for 3D printing ceramic, belongs to the field of ceramic materials, and solves the problem of poor wear resistance and toughness ofcommon ceramic materials at present. The ball milling efficiency can be improved by adding kerosene and absolute ethyl alcohol as ball milling media, and combustion of the kerosene can promote unoxidized metal components in a ball milling material to have a redox reaction. Aluminum oxide contained in fly ash and an Mg<2+> component in palygorskite can produce a magnesia-alumina spinel component with erosion resistance and abrasion resistance at high temperature. A boron oxide component contained in boric sludge added to aids is acid anhydride of boric acid, the acid anhydride can produce boric acid and metaboric acid with water and emit a lot of heat, a boehmite component is embedded in a hard roasted product to improve dispersity and binding force among structures, external friction canbe well scattered, quick wear can be avoided, adsorption can be formed in combination with acrylic resin, the structure compactness of a material system can be improved, and tensile strength and wearresistance can be improved.

The invention relates to the technical field of semiconductor device preparation, and particularly relates to a wafer surface bonding technology and a semiconductor device structure. A thin film layer is deposited on the surface of a wafer, then a dielectric layer including H+ ions is deposited, and finally bonding of the H+ ions in the dielectric layer and wafer Si interface dangling bonds is facilitated through an Anneal technology so that the degree of bonding of the wafer Si interface dangling bonds is enhanced. With application of the technical scheme, Dark Current and BLC performance of the device can be obviously improved.

An olefinic thermoplastic vulcanizate is blended with a rubber-modified monovinylidene aromatic monomer, utilizing a flexible block copolymer as compatabilizing agent. The resulting composition demonstrates improved miscibility and bonding characteristics and increased hardness not previously achievable using unmodified thermoplastic vulcanizates.

The invention discloses a cement composite dispersant, and belongs to the technical field of chemical industry. The problems that a current commonly used cement dispersant has a poor dispersion effectand influences on the internal mechanical properties are solved. A low critical micelle concentration can be maintained, the lipophilic groups of the dispersant can be adsorbed on the surface of thecement, and the hydrophilic groups can be combined with water, so that the dispersion effect of the cement is improved better. Hydrogen bonds are formed by silicon hydoxyl groups generated through hydrolysis and hydroxyl group contained in a composite dispersing material B, so that the stability of dispersion is enhanced, and the internal bonding force is improved; high-polarity reactive carboxylgroups in acrylic acid are introduced into humic acid molecules of the dispersant, and the influence of steric hindrance is brought through cooperation with acrylic acid grafting, so that the viscosity-reducing effect of the prepared silicon-containing material is improved, the dispersibility inside the obtained blended material is improved, and generation of sedimentation and uneven dispersion isreduced; and furthermore, the cement cohesion strength is improved, and the internal mechanical properties is further improved after blending of the cement is performed.