505 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 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 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 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 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.

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.

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.

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 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.

The invention discloses a staggered thickness type surface acoustic wave resonator, a filter and a manufacturing method thereof, and relates to the technical field of resonators / filters, the resonator comprises a substrate, a first electrode finger film layer and a second electrode finger film layer, the first electrode finger film layer is arranged on the substrate, one part of the second electrode finger film layer is arranged on the substrate, and the other part of the second electrode finger film layer is arranged on the substrate. The other part covers the first electrode finger film layer to form an overlapping area, and the first electrode finger film layer, the second electrode finger film layer and the overlapping area form a grid structure with the thickness changing in a staggered mode; according to the resonator, the filter and the manufacturing method thereof, the formed staggered grid structure forms different sound velocity regions between the interdigital electrode region and the bus bar, the propagation of a transverse mode is influenced, the transverse mode suppression effect is improved, the structure avoids the problem of large impedance caused by a thin metal film layer, and the performance of the resonator is improved. And a device with high resonant frequency has normal performance.

The invention discloses an ultrathin metal foil thickness measuring system and method based on Mach-Zehnder interference, and relates to the technical field of ultrathin metal thickness measuring methods. The system comprises a super-luminescent diode wide-spectrum light source SLD, the SLD emits a beam of white light, the white light is divided by a 50: 50 first optical fiber coupler into a light beam I and a light beam II with the same intensity, and the light beam I and the light beam II enter two Mach-Zehnder interference modules with the same structure respectively; the two Mach-Zehnder interference modules are symmetrically arranged along the upper side and the lower side of the sample to be tested, the output ends of the two Mach-Zehnder interference modules are connected with the input end of the second optical fiber coupler, and the output end of the second optical fiber coupler is connected with the input end of the spectrograph. The system and the method have the advantages of high real-time performance, high measurement precision, low cost and the like.

The utility model discloses a kind of thin metal sheet welding anti-deformation positioning tool, including placing table, the lower end surface of placing table is fixed with metal base, the both sides of metal base upper end surface are equipped with a slide rail;The front and rear of placing table are equipped with multiple down pressure bars, the both sides of the lower end surface of down pressure bar are fixed with a metal rod, the outer surface of metal rod is equipped with spring, the lower end surface of spring is connected with the metal ring of fixed sleeve in the outer surface of metal rod, the outside of metal ring is equipped with the slider of sliding installation in the inner wall of slide rail, the inside of slider is equipped with cylindrical groove.Through the utility model can be cooled on thin metal sheet except welding position on thin metal sheet by small radiator when welding thin metal sheet, by the above technical scheme, it can prevent thin metal sheet from deforming due to absorbing too much heat during welding, thereby improving the quality when welding thin metal sheet.

According to the cutting machine for cutting the electrode net, the technical problem that the electrode net can be damaged and polluted in the mode that the electrode net is cut through laser equipment is solved. The cutting machine comprises a rack, a pressing disc mechanism, a cutter mechanism and a rotating disc, wherein the pressing disc mechanism, the cutter mechanism and the rotating disc are located on the rack, and the rotating disc is used for bearing a thin-plate-shaped net and is rotatably arranged; the pressing disc mechanism is located above the rotary disc and used for pressing and fixing the thin-plate-shaped net downwards. The cutter mechanism is movably arranged in the first horizontal direction so as to be matched with the rotary disc to complete cutting of the edge of the thin-plate-shaped net. The cutter mechanism comprises a movable blade and a fixed blade, the movable blade and the fixed blade can rotate automatically, the movable blade is located above the fixed blade and arranged in a lifting mode in the vertical direction, and the movable blade and the fixed blade can cut the thin-plate-shaped net from the upper portion and the lower portion of the thin-plate-shaped net in a matched mode respectively. The cutting efficiency is improved, and the thin-plate-shaped net cannot be polluted and damaged. And circular cutting and square cutting blanking of electrode nets, thin metal sheets and non-metal materials can be achieved.

The utility model discloses a domestic ceramic drying treatment device which comprises a drying box body. An electric heating wire is arranged in the drying box body; the placing frame is arranged in the drying box body, the placing frame comprises a rotating pipe, a plurality of supporting discs are detachably installed on the outer side of the rotating pipe, and an air blowing pipe is in threaded connection with the portion, located below the supporting discs, of the outer side of the rotating pipe; the dehumidification device has the advantages that the fan sucks air in the drying box into the dehumidification box to make contact with the metal sheets, hot air is liquefied when meeting the cold metal sheets and moisture, left on the metal sheets and condensed into water drops, the water drops move downwards along the inclined metal sheets and enter the collecting tank through the water outlet holes to be collected, and the dehumidification efficiency is high; the draught fan absorbs heat generated by air in the dehumidification box and the heating end of the semiconductor chilling plate, meanwhile, the heating box is installed at the output end of the draught fan, the extracted air is heated again through the internal electric heating wire and then fed into the transmission pipe and the rotating pipe, heat recycling is achieved, and the energy utilization efficiency is improved.

A method for preparing an interconnection line of a diamond device belongs to the field of processing and preparation of ultra-wide bandgap semiconductor electronic devices. It is characterized in that: designing a circuit layout and cleaning a diamond substrate (110); then performing a photolithography process to prepare device units (120) and an interconnection region (130); plating a metal catalyst (131) on the interconnection region of the diamond surface; and in-situ growing a conductive carbon nanomaterial (132) on the diamond surface as the interconnection line. The present invention obtains a low-resistance and stable ohmic contact interconnection line on the diamond substrate, effectively avoiding the limitation of device failure caused by the breakage of the interconnection line formed by an ultra-thin metal film at present; the carbon nanomaterial interconnection line can work normally under high-temperature and high-pressure conditions and can meet the requirements of the future working environment of diamond devices. The obtained interconnection line has a low contact resistance with the diamond substrate, strong bonding force, and can withstand high-temperature and high-pressure working environments, laying a good foundation for the back-end process of future diamond-based integrated circuit preparation.

A method for producing a component made of an aluminum sheet with a thickness from 0.05 to less than 0.08 mm and with a region which is curved and which is made of a pot-shaped blank. The method has at least the following steps: a drawing process in steps and a conical drawing process, wherein prior to the drawing process, a stamped piece is stamped from the flat sheet metal, and is shaped into the pot-shaped blank, the free circumferential edge being expanded in a conically curved manner; a circumferential radial flange and an axial cylindrical edge region are formed during the conical drawing process; and this is followed by a drawing process in which the expanded conical section is folded to a folded expanded section for a form-fitting connection, and the edge region and the expanded section are rolled in order to form a rolled edge.

The invention relates to the technical field of cables, and discloses a composite insulated corrosion-resistant cable, which comprises a plurality of thin metal sheets, and the outer walls of the plurality of thin metal sheets are fixedly connected with the outer wall of a filling elastomer; when current passes through a wire, energy loss is generated due to the resistance of the wire, the lost electric energy is converted into heat energy, and because special fillers such as flame-retardant fillers are arranged in the cable, the heat generated by the wire is difficult to dissipate in time, so that the use effect of the cable is influenced. At the moment, the filling elastomer is filled with a plurality of thin metal sheets, and a part of the thin metal sheets are located between the wire insulation sleeves on the outer walls of the wires and are in contact with the armoring, so that after the wires generate heat, the thin metal sheets can conduct a part of generated heat to the armoring, and the armoring is large in area and is close to the outside; and the influence of heat generated by the wire on the cable can be effectively reduced.

This invention relates to a composite bellows compensator inner wall protection structure, the bellows compensator itself, and its design method. The inner wall protection structure is a composite layer structure, including an anti-erosion functional layer, a transition fixing layer, and a bellows substrate. The anti-erosion functional layer includes an outer ceramic plate and an inner ceramic plate. The transition fixing layer includes an outer ring plate and an inner ring plate, which are spaced radially and staggered axially, forming a non-rigid connection structure. The inner walls of the outer and inner ring plates are respectively provided with the outer and inner ceramic plates. The bellows substrate is made of thin metal sheet and has a corrugated structure, used to realize the displacement compensation function of the bellows compensator. One end of the outer ring plate is fixedly connected to the inner wall of the bellows substrate. This invention effectively improves the wear resistance, deformation coordination, and overall operational reliability of the bellows compensator under complex working conditions by constructing a composite protection system on the inner wall of the bellows that combines high erosion resistance and good deformation adaptability.

To provide an auxiliary tool that can be used on wooden floors, allows an entire adhesive surface to be used without waste, and can be used repeatedly even after exposing a new adhesive surface.SOLUTION: A thin and firm wire mesh in a planar or cylindrical form with as large holes as possible to be used as a cover for an adhesive roller is made by weaving thin wires, etching a thin metal plate, or the like. When attached to an ordinary adhesive roller, it can be used even on wooden floors. After a certain amount of debris adheres to it, the cover can be removed to use the entire adhesive surface. Even when a new adhesive surface of the adhesive roller is exposed, the cover can be reattached and used repeatedly in the same way.SELECTED DRAWING: Figure 1

The utility model provides a novel cardiac pacemaker lead fixing device belongs to medical appliance technical field, this novel cardiac pacemaker lead fixing device, include: lead body, the inside of lead body is equipped with thin metal wire, and the surface is provided with rotating handle. The utility model: the lead body is passed through the protection sheath pipe, and the anchor head end structure of lead body one end is moved to the inside of heart, until the main helical silk of nickel titanium alloy is made on the anchor head end and is fixed with the outer layer of myocardium, further adjusts the rotating handle on the surface of lead body to make the electrode end continue to move, the diameter between a plurality of inner layer's auxiliary micro helical silk changes in the process of rotating to drive a plurality of anchor block rotation and move and pass through endocardium, cooperate a plurality of anchor block surface's anchor hook and enhance the stability of lead body fixed, realize the purpose of anchor head end grading anchor operation.

The application belongs to the technical field of precision laser processing, and specifically discloses a laser micro-drilling and cutting device and method for a metal foil lead frame, which comprises a processing platform, a clamp, a three-axis motion system, a scanning galvanometer and an ultraviolet nanosecond pulse laser. The clamp applies a pre-tension to the metal foil through a screw rod mechanism and integrates a laser displacement sensor to monitor thermal deformation in real time. The three-axis motion system and the scanning galvanometer cooperate to realize three-dimensional accurate positioning, and a reflection system dynamically regulated by multiple mirrors is combined to ensure that the laser is vertically incident. The method comprises clamping and focusing, image processing and path planning, multi-directional scanning processing and post-processing. The application solves the problems of thermal deformation suppression and micron-level feature accuracy maintenance in large-format processing through optical-mechanical coupling multi-axis linkage control, has the advantages of high precision, environmental protection and high efficiency, and is suitable for the preparation of ultra-thin metal foil lead frames.

The invention discloses a composite enhanced thermoelectric module based on a Tesla valve structure and a manufacturing method thereof. The module comprises a fan, a heat dissipation module, a thermoelectric module and a control unit. The heat dissipation module is characterized in that the heat dissipation module is formed by superposing a plurality of ultrathin metal fins, the surfaces of the ultrathin metal fins are provided with flow guide concave bags and flow collecting cavities, the flow guide concave bags and the flow collecting cavities jointly form a bionic Tesla valve airflow channel, and efficient and low-resistance heat dissipation is achieved; the surface of the metal fin is provided with a rigidity enhancing and radiation enhancing coating; the hot end of the thermoelectric module is in eutectic combination with the heat dissipation module through a micro-anchoring interlocking structure, so that the interface thermal resistance is remarkably reduced; the temperature of the refrigeration surface of the thermoelectric module is independently controlled in a partitioned mode, the control unit cooperatively regulates and controls the power of all the areas with the lowest temperature in all the areas as the reference, and it is ensured that the surface temperature is highly uniform. According to the invention, the heat dissipation performance, the connection reliability and the temperature control precision of the module are systematically improved, and the module is suitable for the high-requirement precise temperature control field.

The durability of the protective parts portion of a human body protection inner protector, which consists of a protective sheet and multiple protective parts sewn onto the protective sheet, is improved. [Solution] The protective part of the inner protector for protecting the human body consists of a protective sheet and a plurality of protective parts sewn to the protective sheet in a predetermined arrangement and overlapping state, comprising a protective material made of a thin metal plate of a predetermined shape, two pieces of cloth material of the same shape but larger by predetermined dimensions than the protective material, and two heat-welded sheets of the same shape and dimensions as the two pieces of cloth material, wherein the entire protective material is welded and integrated between the two pieces of cloth material via the two heat-welded sheets.

Provided is a rotor core (10) comprising: a plurality of annular electromagnetic steel plates (11) having reduced-thickness portions (200) where the plate thickness is reduced; and magnet holes for installing a plurality of magnets constituting a plurality of magnetic poles (100). The rotor core (10) is characterized in that: the plurality of magnetic poles (100) each include a first magnet hole (110) for installing a first magnet (101) disposed at the center of each magnetic pole (100) in the circumferential direction of the electromagnetic steel plates (11), a second magnet hole (120) for installing a second magnet (102) disposed on the front Rf side in the rotational direction with respect to the first magnet (101), and a third magnet hole (130) for installing a third magnet (103) disposed on the rear Rr side in the rotational direction with respect to the first magnet (101); and the reduced-thickness portion (200) includes a first reduced-thickness portion (210) provided in at least a part between the first magnet hole (110) and the second magnet hole (120).

[Problem] To provide a method which is for manufacturing a printed wiring board and which can deal with a thin metal foil and improve manufacturing efficiency. [Solution] A laminated plate 13 is formed by laminating a metal foil 12 on at least one surface of an insulating layer 11 (laminated plate formation step). Next, a component composed of a different element than the metal foil 12 is deposited on the surface of the metal foil 12 to form a deposition layer 15 (deposition layer formation step). Subsequently, the surface of the deposition layer 15 is irradiated with a laser to form a hole in the laminated plate 13 (hole formation step).