784 results about "Thin metal" patented technology

Provided herein are low resistance metallization stack structures for logic and memory applications and related methods of fabrication. In some embodiments, thin metal oxynitride or metal nitride nucleation layers are deposited followed by deposition of a pure metal conductor. The nucleation layer is amorphous, which templates large pure metal film grain growth and reduced resistivity. Further, certain embodiments of the methods described below convert most or all of the metal oxynitride nucleation layer to a pure metal layer, further lowering the resistivity.

The invention relates to the technical field of laser, and discloses a metal pipe laser machining device and a laser machining method.The metal pipe laser machining device comprises a laser cutting machine, and a plurality of metal pipes located in a metal pipe containing groove can be automatically installed one by one through an automatic metal pipe feeding mechanism; the metal pipes which are cut off can be automatically clamped through the impact force reducing type metal pipe collecting mechanism, the metal pipes are placed in a metal pipe storage box one by one, the automation degree of equipment is improved, and meanwhile the situation that when the thin metal pipes are cut, the thin metal pipes deform due to impact can be prevented; the problems that when a laser cutting machine is used for cutting a thin metal pipe, the cut metal pipe possibly deforms due to collision with external objects, and the metal pipe laser machining device needs to manually install metal pipe raw materials and is tedious in operation are solved.

The invention provides an ultrathin liquid metal thermal interface material based on dynamic infiltration regulation and a preparation method, the ultrathin liquid metal thermal interface material is composed of a high-purity liquid metal main body and liquid metal dynamic infiltration adhesion layers connected to the two sides of the high-purity liquid metal main body, the material of the liquid metal dynamic infiltration adhesion layer is the same as that of the high-purity liquid metal main body, and the liquid metal dynamic infiltration adhesion layer is spread on the surface of the heating substrate and the surface of the heat dissipation substrate respectively. According to the method, the ultrathin metal liquid layer formed through dynamic infiltration is directly used as a heat transfer medium, molecular-level seamless attachment between the liquid metal and the substrate material interface is achieved, the ultrathin thermal interface with the minimum thickness of only nanoscale 1-1000 nm can be obtained, the contact thermal resistance is greatly reduced, the actually measured interface thermal conductivity can reach 25.9-47.1 W / m <-1 >. K <-1 >, and the thermal conductivity of the interface is greatly improved. The measured value far exceeds the measured value of the current commercial thermal interface material; the dynamic infiltration regulation and control means provided by the invention has universality and can be widely applied to various different heating and heat dissipation substrate materials.

The utility model relates to the technical field of laser cutting, and discloses a thin metal plate laser cutting machine which comprises a laser cutting head, an installation support is installed on the outer wall of the laser cutting head, a small motor is installed at the end, away from the laser cutting head, of the installation support, and a power gear is installed at the output end of the small motor. According to the thin metal plate laser cutting machine, the position, located on the outer side of the laser cutting head, of the surface of a metal plate is polished through rotation of the polishing piece, residual molten metal on the surface of the metal plate is polished through polishing of the polishing piece, and therefore the smooth effect of the surface of the metal plate at the cutting position is improved, and the cutting quality is improved; and through cooperation of an inner adsorption magnet and an outer adsorption magnet, chippings generated by polishing are adsorbed, and the situation that the metal chippings generated by polishing are left on the surface of a plate, additional cleaning work needs to be conducted, and the subsequent laser cutting quality can be affected when the metal chippings are left on a cutting route is prevented.

The invention discloses a preparation method of a noble metal doped ultrathin hydroxide nano-cluster type electro-catalytic material, and relates to a preparation method of a noble metal doped hydroxide electro-catalytic material. The invention aims to solve the technical problems of high cost, complex preparation process and no environmental protection of the existing electro-catalytic material. The method comprises the following steps: putting foamed nickel into a mixed solution of persulfate and transition metal salt for hydrothermal reaction to obtain an intermediate; and putting the intermediate into a noble metal salt solution for hydrothermal reaction to obtain the noble metal doped ultrathin hydroxide nano-cluster type electro-catalytic material. The prepared material has an ultrathin nano-cluster structure, and is high in electron transmission rate and hydrogen evolution reaction rate. In a 1M KOH aqueous solution, the overpotential is 68-98mV under 10mA. Cm <-2 >, the Tafel slope is 96.8-112.3 mV dec <-1 >, and the composite material can be used in the field of hydrogen production by electrolyzing water.

The invention relates to a method and a device for eliminating stress of a metal thin strip in heat treatment, which are characterized in that: 1) a large-tension metal thin strip conveying mechanism is arranged in a heat treatment furnace of the metal thin strip, and the metal thin strip conveying mechanism keeps tension of 3-6 tons in a workpiece conveying process; and (2) the tension borne by the workpiece is kept to be 3-6 tons through a tension control mechanism of the large-tension metal thin strip conveying mechanism, so that the internal stress of the workpiece disappears in the conveying process, namely the tension borne by the workpiece in the conveying process is kept to be constant to be 3-6 tons, and the internal stress of the workpiece is eliminated when the workpiece passes through the process section of the heat treatment furnace. The large-tension metal thin strip conveying mechanism comprises an unwinding mechanism, a winding mechanism and a tension control mechanism, and the tension between the unwinding mechanism and the winding mechanism is controlled to be 3-6 tons constantly through the tension control mechanism, so that a large-tension control structure is formed. The device has the characteristics of simple structure, low cost, good stress eliminating effect and the like, and prevents the copper strip from vibrating and the workpiece from deforming.

The invention relates to the technical field of machining and production, in particular to an ultrathin metal sheet machining production line and method.The ultrathin metal sheet machining production line comprises a first material frame, a first turning mechanism, a positioning mechanism, a machining mechanism, a first material pulling mechanism, a second turning mechanism, a second material pulling mechanism and a second material frame, a sheet penetrates through a through groove, and a machining window is formed in the through groove; the cutter part is arranged at the machining window, due to the limitation of the machining window, when the cutter is installed, the installation precision of the cutter is easily detected, the distance between the cutter and a machined sheet is easily controlled, and meanwhile due to the limitation of the window, the metal sheet is pressed by the die; therefore, the situation that the machined ultra-thin metal sheet cannot be fixed is effectively controlled, sheet deviation caused by machining vibration is solved, the machining precision and the yield are improved, precise cutting of the metal sheet is achieved, the vertically-arranged metal sheet and machined metal chippings can fall downwards and are convenient to discharge, and the machining efficiency is improved. The metal sheet of the present invention may also be a sheet-like roll housed in a roll.

The invention belongs to the field of secondary battery manufacturing, and particularly relates to a composite foil current collector welding method.The composite current collector comprises an upper aluminum conducting layer, a middle high-molecular polymer layer and a lower aluminum conducting layer, and the welding method comprises the following steps that S1, micropore machining is carried out on a tab area of the composite current collector, forming a through micropore array; s2, laying a first pure metal foil on the upper surface of the tab area, and laying a second pure metal foil on the lower surface of the tab area; and S3, welding the tab area on which the pure metal foil is laid, so that the first pure metal foil, the upper aluminum conductive layer, the lower aluminum conductive layer and the second pure metal foil form through metallurgical bonding at the position of the micropore. According to the composite foil current collector welding method, ultrasonic energy is highly concentrated on a metal interface at the edge of a micropore, local metallurgical connection is achieved, overall heat input is low, hot melting and carbonization of a middle high-molecular polymer layer are effectively avoided, and an ultrathin metal layer is protected against heat damage.

The invention provides a coil module and electronic equipment. Relates to the technical field of circuit boards. A high-speed signal line and a wireless charging coil are integrated in the same coil module. The coil module can comprise a substrate and a metal layer formed on one side of the substrate, the metal layer comprises a thick metal area, a thin metal area and a transition area located in a junction area of the thick metal area and the thin metal area, a wireless charging coil is arranged in the thick metal area, and a high-speed signal line is arranged in the thin metal area. The first nanocrystal and the second nanocrystal are oppositely arranged on the two sides of the substrate, at least part of the periphery of the wireless charging coil is covered with the first nanocrystal, the first nanocrystal extends to the position above the transition area, and at least part of the wireless charging coil is covered with the second nanocrystal. The integration level can be improved, space resources are saved, and the high-speed signal line and the wireless charging coil are pulled away through the transition area without affecting the signal quality of the high-speed signal line and the wireless charging coil.

The invention discloses a thin metal sheet positioning mechanism, a welding device, welding equipment and a welding method, and belongs to the field of igniter thin metal sheet welding. A feeding mechanism is located on one side of a product shell clamping mechanism, and the feeding mechanism firstly places a product shell into the product shell clamping mechanism; after the guide sleeve is mounted in the blind hole of the product shell by the guide sleeve mounting mechanism, the thin metal sheet is placed in the blind hole of the product shell by the feeding mechanism; during welding, the product shell clamping mechanism moves the product shell with the thin metal sheet to the welding mechanism, and the welding mechanism welds the thin metal sheet and the product shell. The welding device has the beneficial effects that the axial position of the thin metal sheet placed in the product shell is limited through the guide sleeve, the coaxiality of the thin metal sheet and the blind hole of the product shell is guaranteed, the welding needle exerts pre-pressure on the thin metal sheet in the welding process, the product shell and the thin metal sheet do not move relatively, and the welding quality is improved. Therefore, the relative position of the product shell and the thin metal sheet is ensured.

The invention is in the field of nanostructure synthesis. Provided are highly luminescent nanostructures, particularly highly luminescent quantum dots, comprising a nanocrystal core / shell and a thin metal oxide on the outer shell of the nanostructure. Also provided are methods of preparing the nanostructures, films comprising the nanostructures, and devices comprising the nanostructures.

Provided are reduced-temperature plasma enhanced atomic layer deposition processes including application of a thin metal layer by contacting a substrate surface at temperatures of 300° C. or lower with a metal precursor and a plasma of a hydrogen-containing gas source generated directly or remotely.

Conveyor belt modules and a modular conveyor belt constructed of those modules. The belt modules comprise a plurality of thin metal links attached to a crossbar at spaced locations. The metal links extend along lines oblique to the length of the crossbar from a first loop to a second loop. Belt rows include one or more of the belt modules sandwiched between tension links. Hinge rods connect adjacent belt rows together through aligned first and second loops and first and second rod holes in the tension links of adjacent belt rows to form the conveyor belt. The links can be formed of bent wire or stamped and bent sheet metal. Intermediate portions of the links can be planar or curved.

The invention discloses an overflow groove for assisting in preparing a wick and a wick preparation method, and belongs to the technical field of wick preparation. The overflow groove comprises a second groove body, a liquid inlet pipe and a frame body; the liquid inlet pipe is communicated with the second tank body and the outside of the overflow tank, two non-adjacent surfaces in the frame body are hermetically connected with two non-adjacent surfaces in the second tank body, a gap is reserved between the other two surfaces in the frame body and the other two surfaces in the second tank body, the gap is used for accommodating a to-be-processed workpiece during auxiliary preparation of the wick, and an overflow port is formed in the frame body; in the preparation process, through coupling of high-speed movement of the laser galvanometer and workpiece movement and coupling of continuous machining of liquid and air, preparation of a large-breadth groove structure can be achieved, and meanwhile the size of the groove is easy to adjust. According to the method, through the design of the overflow groove, the preparation process is made into one step, high-surface-quality, high-flexibility and efficient machining of the ultra-thin metal surface large-depth-to-width-ratio primary groove structure is achieved, and the machining efficiency of the multi-stage groove structure is improved.

The utility model discloses a special device for automatic laser welding of an ultrathin metal drum, which belongs to the technical field of welding equipment and comprises a workbench, a laser welding component and a clamp component, the clamp component comprises a first fixing plate, a first driving motor, a first half die, a second half die, a middle plate, a cylinder component and a second fixing plate, a first groove is formed in the first half die, a second groove is formed in the second half die, the metal barrel blank comprises a first half blank and a second half blank, the first groove is used for containing the first half blank, and the second groove is used for containing the second half blank. According to the die, the two half dies and the two grooves are arranged, and the two grooves have a good fixing effect on a blank, so that the blank is prevented from sliding; the clamp assembly clamps a metal barrel blank, the laser welding assembly performs automatic laser welding, the welding efficiency is high, the welding effect is good, and the product percent of pass is high.

The present invention belongs to the field of production equipment, and in particular, relates to a metal foil production system. It comprises: an upstream area for pretreatment; a load area for deposition preparation; and a downstream area for separation; the upstream area, the load area and the downstream area are provided with a conveying device; the carrier comprises a load surface; the upstream area is provided with a pretreatment device for preparing a transition layer on the surface of the load area of ​​the carrier; the load area is provided with a vapor deposition device, the vapor deposition device comprises a generating structure for generating pre-deposited metal and a guiding structure for guiding the pre-deposited metal, the pre-deposited metal generated by the generating structure is guided to the transition layer on the surface of the carrier through the guiding structure, the pre-deposited metal is a gaseous metal and / or a plasma metal; the downstream area is provided with a post-processing device for removing the transition layer. The present invention can realize the efficient and high-quality preparation of electronic-grade ultra-thin metal foil; the preparation process is simple and efficient, and can realize full automation.

To strongly join thin metal foils while making those end faces abutted on each other.SOLUTION: A metal foil welding method laser welds a first metal foil and a second metal foil having different compositions while making those end faces abutted on each other, wherein thicknesses of the first metal foil and the second metal foil are 0.1 mm or more and 0.5 mm or less, and the method welds the metal foils along the end faces while repeatedly scanning an irradiation position of a laser beam in a direction crossing the abutted end faces.SELECTED DRAWING: Figure 1

The utility model relates to vertical annealing equipment for a metal ultra-thin strip and an operation method, and belongs to the related technical field of metal ultra-thin strip hot working, the vertical annealing equipment comprises a furnace body device, a tension measuring device, a direction roller, an unwinding device, a winding device, a straightening device and a deviation rectifying device, the furnace body device comprises a muffle tank and a furnace body shell, a plurality of groups of elastic brackets fixedly connected with the furnace body shell are arranged on the outer side of the muffle tank in the length direction of the muffle tank, and the top of the muffle tank is fixedly connected with the top of the inner side of the furnace body shell through the top elastic bracket, so that the service life of the muffle furnace is prolonged; one side of the furnace body shell is respectively connected with a molecular pump and a gas inlet through steel pipes, the other side of the furnace body shell is provided with a gas outlet, and pipelines for connecting the molecular pump, the gas inlet and the gas outlet are respectively provided with a gas valve, so that the conversion between vacuum annealing and atmosphere annealing in the muffle furnace is realized; and the straightening device comprises a plurality of straightening rollers, so that high-precision straightening can be carried out on the annealed metal ultra-thin strip, and the strip shape quality of the strip is effectively improved.

The invention discloses a method for manufacturing a locally-thinned metal workpiece, which comprises the following steps of: dividing a workpiece forming area on a material belt, and forming a positioning hole; insulating films are pasted on the front face and the back face of the material belt respectively; carrying out die cutting on the material belt to remove the insulating film in a preset area to form a windowing area; the windowing area of the material belt is etched and thinned; removing the insulating film on the material belt; and a finished product of the metal workpiece is manufactured on the material belt. According to the automatic production line, the production process of the metal workpiece can be automatically and continuously carried out by adjusting the process and optimizing the process sequence, the single metal workpiece does not need to be manually machined, the production efficiency is greatly improved, and the production cost is reduced.

Provided herein are low resistance metallization stack structures for 3D-NAND applications and related methods of fabrication. In some embodiments, thin metal oxynitride nucleation layers are deposited on dielectric material followed by deposition of a pure metal conductor using process conditions that increase non-molybdenum component element content at the oxynitride-dielectric interface. Certain embodiments of the methods described below convert less than all of the metal oxynitride nucleation layer to a pure metal layer, further lowering the resistivity.

According to the scheme, the movable plate (positioning plate), the pressing piece and the abutting piece are sequentially arranged, and the elastic device is arranged, so that the ultra-thin metal sheet to be machined can be pressed and fixed in a self-adaptive mode, and operation conditions are provided for machining of the ultra-thin metal sheet; according to the scheme, the hand wheel and the fixed plate are additionally arranged on the basis of the scheme, the dismounting action of the pressing piece and the movable plate is reduced, a gap for containing the to-be-machined ultrathin metal sheet can be adjusted through rotation of the hand wheel, the working efficiency is improved, and the production efficiency is improved; according to the scheme, the cutter groove and the machining window are arranged, it can be guaranteed that when the machining space is provided for the ultra-thin metal sheet, more areas of the sheet can be compressed to the maximum extent, so that the vibration problem caused by machining of the ultra-thin metal sheet is solved, and chip removal is facilitated due to the fact that the machining window is communicated with the gap (groove).

The invention relates to the technical field of lithium strip production equipment, and discloses an ultrathin metal lithium strip production system and a production method. The production system comprises an extrusion system, a tension control mechanism, a rolling mill, a winding roller and an isolating membrane unwinding mechanism which are sequentially arranged on a production line, and a plurality of guide rollers which are arranged along the production line and are used for supporting lithium strips; the tension control mechanism comprises a tension control roller and an angle encoder matched with the tension control roller; the angle encoder is configured to be in communication connection with the extrusion system, the angle of the angle encoder is adjusted in real time so that the tension control roller can move in a matched mode, the pressure, from the lithium strip, borne by the tension control roller can be a preset value, and when the angle of the angle encoder exceeds a threshold value, the angle encoder feeds back a signal to the extrusion system. The extrusion system is configured to adjust the extrusion speed upon receiving the angle encoder signal. By means of the device, efficient production of the metal lithium strip can be achieved, and waste caused by threading can be reduced.

The invention provides an X-ray absorption spectrum characterization system and an X-ray absorption spectrum characterization method for electrochemical reaction under a high-current working condition. A high-current electrochemical workstation provides current density not lower than that of a working condition electrolytic tank; the working condition electrolytic tank comprises a working electrode chamber and a counter electrode chamber which are oppositely arranged, and an ion exchange membrane arranged between the working electrode chamber and the counter electrode chamber; the working electrode chamber comprises a current-conducting plate made of a metal sheet, a working electrode loaded with a catalyst is arranged on one side, facing the ion exchange membrane, of the current-conducting plate, and a hollow flow channel is formed in the central area of the working electrode chamber; the working electrode chamber further comprises an X-ray window sheet for transmission of incident X-rays and fluorescent X-rays generated by the catalyst; the counter electrode chamber is provided with an electrolyte flow channel, and a counter electrode is arranged on one side, facing the ion exchange membrane, of the counter electrode chamber; and the electrolyte control system is used for realizing circulating flow of the electrolyte. Under the working conditions of high current density, strong bubble effect and high X-ray absorption, in-situ, real-time and high signal-to-noise ratio characterization of the microstructure of the catalyst can be realized.

The invention provides a miniature corrugated pipe machining technology and application, a miniature corrugated pipe is formed based on metal material machining, the miniature corrugated pipe is provided with a main body part, a plurality of extension parts are formed at one end of the main body part, and the extension parts are symmetrically arranged according to the axis of the main body part. According to the method, a metal material is machined into a designed shape through machining, then a thin metal coating is formed on the periphery of the metal material through an electrochemical process, useful parts are cut off through machining, and finally, original metal in the middle of the useful parts is thoroughly corroded through the electrochemical process, so that a final finished product is obtained. The miniature corrugated pipe is easy to install, use, replace and discover abnormities, and the installation space is small.

The invention discloses an oscillator structure and a base station antenna. The oscillator structure comprises a reflecting plate and two groups of oscillator bodies, each oscillator body comprises a feeder circuit board, a radiation sheet and a buckling part, the two groups of feeder circuit boards are mounted on the same side of the reflecting plate and are arranged in a crossed manner, the radiation sheet is a metal sheet, and the buckling part is arranged on the radiation sheet and can buckle the radiation sheet on the feeder circuit board in the same group. According to the scheme, the dipole antenna adopts a circuit board feeder mode, electric signals are coupled to the radiation sheet, and the advantage that the frequency band of the dipole antenna is wide is effectively utilized. Meanwhile, the radiation sheet can be formed by stamping a relatively thin metal sheet, so that the weight of the oscillator is greatly reduced, a good intermodulation index is achieved, mold opening is not needed, the cost is reduced, and the main advantages of a metal plate stamping process, a PCB feeder line and a dipole antenna are integrated.

The invention belongs to the technical field of laser cutting machines, and discloses a numerical control intelligent gantry type three-dimensional laser cutting machine which comprises a base, a machine frame, a portal frame and a machine arm type welding end, a supporting assembly is arranged in the machine frame, and a supporting conical pipe is arranged in the supporting assembly in a sleeved mode. According to the device, through cooperation with the communicating suction effect of the negative pressure assembly and the leveling assembly, after a thin plate is placed, the leveling block moving downwards in the middle moves downwards to the top face of the thin plate and pushes the thin plate along the two horizontal sides, extrusion leveling of the thin plate is achieved, and through cooperation with reversing suction of the negative pressure assembly, negative pressure adsorption fixing is conducted on the thin plate in the leveling process; according to the three-dimensional laser cutting machine, after leveling is completed, adsorption fixing after leveling is achieved, the supporting assembly is removed, bottom array supporting and adsorption fixing of the supporting conical pipe are achieved, cutting treatment of the three-dimensional laser cutting machine on the ultra-thin metal sheet is greatly improved, it is avoided that the ultra-thin metal sheet protrudes locally and is difficult to cut accurately, and the actual leveling effect is good.

A method of laser bonding glass to metal foil includes contacting a first glass substrate with a first metal foil to create a first contact location; directing a laser beam on the first contact location to bond the first glass substrate to the first metal foil; contacting a second glass substrate with a second metal foil to create a second contact location; and directing the laser beam on the second contact location to bond the second glass substrate to the second metal foil, wherein the first metal foil and the second metal foil each have a thickness from 5 μm to 100 μm, and wherein the laser beam comprises a pulsed laser comprising: a pulse energy from 2.8 μJ to 1000 μJ; and a wavelength such that the first and second glass substrates are substantially transparent to the wavelength.

The invention provides a double-sided efficient CVD continuous coating system and method for a thin metal strip, and relates to the technical field of thin film preparation, the main structure of the coating system is that a positive electrode group and a negative electrode group are arranged between two winding discs, and a thin film deposition area is arranged between the positive electrode group and the negative electrode group; the upper clamping electrode and the lower clamping electrode of each pair of clamping electrodes in the positive electrode group and the negative electrode group are in electric contact with the edges of the upper surface and the lower surface of the metal thin strip; the radio-frequency current source is connected to at least one pair of radio-frequency electrodes which are oppositely arranged on the two sides of the substrate channel, the two CVD precursor spray heads are arranged above and below the substrate channel in the thin film deposition area, and the two anti-deposition protection pieces are arranged on the two sides of the substrate channel between the positive electrode group and the negative electrode group and located between the radio-frequency electrodes. According to the invention, Joule heat generated by stable current provided by the electrified self-heating device of the metal thin strip is used for rapidly reaching the temperature required by coating, so that the utilization rate of precursor particles on the surface of the metal thin strip can be improved, and the coating rate is improved while the film forming quality is improved.

The invention discloses a chip processing method, which comprises the steps that a chip is provided, a top metal layer of the chip comprises a first region and a second region, a second barrier layer, a metal wiring layer and a first barrier layer are sequentially stacked on the first region, and an oxide layer and a passivation layer are sequentially stacked on the first barrier layer and the second region; thinning or removing the passivation layer through etching; grinding the chip through abrasive paper to remove the oxide layer and the first barrier layer in the first area, thinning the metal wiring layer and the oxide layer in the second area, and stopping grinding until part of the second barrier layer is exposed out of the edge of the chip; grinding a region, which does not expose the second barrier layer, in the first region through an eraser to remove a part of the metal wiring layer; removing the residual metal wiring layer through an alkaline solution; and etching the second barrier layer. According to the method, the top metal layer can be completely removed, the lower metal layer is prevented from being damaged when the top metal layer is removed, and it is guaranteed that the secondary top layer is complete and flat.

According to the scheme, the movable plate (positioning plate), the pressing piece and the abutting piece are sequentially arranged, and the elastic device is arranged, so that the ultra-thin metal sheet to be machined can be pressed and fixed in a self-adaptive mode, and operation conditions are provided for machining of the ultra-thin metal sheet; according to the scheme, the hand wheel and the fixed plate are additionally arranged on the basis of the scheme, the dismounting action of the pressing piece and the movable plate is reduced, a gap for containing the to-be-machined ultrathin metal sheet can be adjusted through rotation of the hand wheel, the working efficiency is improved, and the production efficiency is improved; according to the scheme, the space is formed in the right side of the machining area, chip removal is facilitated, and cost is saved.