1755 results about "Metal strips" patented technology

The invention provides a rapid welding storage battery busbar structure and a manufacturing process, and relates to the field of lead-acid storage batteries, the rapid welding storage battery busbar structure comprises a plate group, a non-lead metal strip, a non-lead metal positive terminal and a non-lead metal negative terminal, the non-lead metal strip and the non-lead metal positive terminal are made of metal or alloy with the conductivity higher than that of lead, and the non-lead metal strip is electrified to be rapidly heated and is welded with the cluster group tab and the non-lead metal positive and negative terminals at the same time, and after being firmly welded, the non-lead metal strip is cut to form a busbar and is sealed by glue. According to the lead-acid storage battery, metal with the conductivity higher than that of lead is adopted to replace lead and lead-based alloy to serve as the busbar of the lead-acid storage battery, the gravimetric specific energy of the lead-acid storage battery is improved, the material cost of the lead-acid storage battery is reduced, the mode of welding by heating the metal strip is adopted to replace the technology of manufacturing the busbar through hot melting of lead, the production efficiency is improved, and the energy consumption is reduced; meanwhile, clean production is achieved, and lead pollution in the traditional production process is avoided.

The invention discloses a high-speed multi-photon detection system and method. The system comprises a detector and a signal processing circuit, wherein the detector is composed of a window plated with a photoelectric cathode, a micro-channel plate stack and an anode; a plurality of incident photons are converted into a plurality of photoelectrons by the photoelectric cathode, and the photoelectrons are converted into electron cloud by the micro-channel plate stack; the incident electron cloud is divided into multiple paths by three layers of staggered metal strip electrodes of the anode, and charge collection is carried out to obtain charge short pulses of each layer of electrode; the signal processing circuit converts the charge short pulses transmitted by the three layers of electrodes into digital pulse signals, obtains the centroid coordinates of the electron cloud from the digital pulse signals as the abscissa value, the ordinate value and the verification value of the incident photon position, combines the abscissa value, the ordinate value and the verification value based on the screening condition to obtain the target two-dimensional coordinates, and finally obtains the target two-dimensional coordinates. And transmitting to a terminal for imaging display. According to the invention, a plurality of synchronous photons can be detected, the overall counting rate of the detector is greatly improved, and the detection efficiency is improved.

The invention relates to a laser welding method suitable for a manganese-copper diverter, which comprises the following steps of: respectively splicing and tightly attaching two non-ferrous metal strips to two sides of a middle metal strip, and after the to-be-welded surfaces of the non-ferrous metal strips and the middle metal strip are positioned on the same horizontal plane, welding the to-be-welded surfaces of the non-ferrous metal strips and the middle metal strip; a near-infrared laser beam and a blue laser beam which are coaxial form a red-blue composite laser beam, the red-blue composite laser beam is used for conducting laser welding along the splicing gap of the non-ferrous metal strip and the middle metal strip, and during laser welding, the inclination angle between the red-blue composite laser beam and the vertical face of the surface to be welded is larger than or equal to 7 degrees. A light spot formed by the near-infrared laser beam swings in a light spot formed by the blue light laser beam, a welding seam is formed at the splicing position of the non-ferrous metal strip and the middle metal strip and penetrates through the non-ferrous metal strip to form a bonding layer, laser welding can be adopted only, the welding seam quality of laser welding is improved, welding spatter is reduced, and material overheating is avoided; and the consistency of product quality and the high efficiency of production are both considered, the production cost is reduced, and batch production is achieved.

The invention relates to a high-temperature superconducting cable and a manufacturing process thereof, and belongs to the technical field of electric wires and cables.The cable comprises a supporting framework, a buffer layer, a three-phase superconducting composite layer, a shielding layer, a heat insulation layer and a sheath layer which are sequentially arranged from inside to outside; the heat insulation layer comprises at least two layers of corrugated pipes formed by continuous rolling and welding, and the corrugated pipes are of periodic concave-convex structures obtained by conducting continuous rolling and side seam welding on metal strips to form closed pipe bodies and then conducting embossing treatment on the closed pipe bodies. A woven reinforcing layer wrapping the peripheries of the corrugated pipes is further arranged in the heat insulation layer, and the adjacent corrugated pipes are connected through supporting pieces to form a vacuum interlayer. According to the application, the corrugated pipe formed by continuous coiling and welding is combined with the combined structure of the braided reinforcing layer and the supporting piece, so that the continuous production of the large-length high-temperature superconducting cable can be conveniently realized, and the problems of axial stress concentration and seam accumulation defects existing in a heat insulating layer of a traditional prefabricated sleeve pipe can be eliminated; and the air tightness stability of the vacuum interlayer of the large-length high-temperature superconducting cable is ensured.

The invention discloses a compact millimeter wave dual-polarization filtering antenna and array, which comprises 11 layers of structures (a first metal layer to a sixth metal layer, three dielectric layers and two bonding layers) and three types of metalized via holes which are sequentially stacked from top to bottom, the feed through hole penetrates through the first dielectric layer to the third dielectric layer, the short-circuit through hole penetrates through the first dielectric layer to the third dielectric layer, and the shielding hole penetrates through the third dielectric layer. Wherein a cross-shaped radiation patch and a C-shaped parasitic metal strip line are arranged on the first metal layer; an annular driving patch is arranged on the second metal layer; the third metal layer is provided with a feed metal strip line and a parasitic metal strip line. The fourth metal layer is provided with a parasitic open-circuit branch. A first grounding plane is arranged on the fifth metal layer; the sixth metal layer is provided with a second grounding plane and an anti-pad. The working frequency band covers the n258 frequency band and the n257 frequency band of 5G millimeter waves, dual-polarization radiation and effective out-of-band rejection can be achieved, and meanwhile the antenna has the advantages of being compact in structure and light and handy in appearance.

The invention discloses post-processing equipment for a rolled strip, relates to the technical field of strip rolling post-processing, and aims to solve the problems of waved edge warping and overall warping caused by non-uniform residual stress distribution of edge and central areas after a metal strip is rolled in the prior art. Comprising a gradient annealing device and an edge stress grading regulation and control device, the gradient annealing device at least comprises a plurality of heating roller groups; the plurality of heating roller groups are arranged at equal intervals along the moving direction of the strip, each heating roller group comprises two heating rollers, the two heating rollers respectively heat the upper surface and the lower surface of the rolled strip, each heating roller at least comprises a magnetic induction coil, and the coil density of the magnetic induction coil is gradually reduced from the edge part to the middle part; the edge stress grading regulation and control device at least comprises a plurality of edge pressing roller sets arranged in the strip moving direction. The included angle between each edge pressing roller set and the width direction of the strip is gradually reduced in the moving direction of the strip. The method is used for realizing precise regulation and control of the residual stress.

The invention provides a high-entropy nano composite film with self-supporting performance and a preparation method. The preparation method comprises the following steps that a high-power pulse magnetron sputtering method is adopted, metal strips of four elements of Fe, Co, Ni and Cr are spliced together to serve as a sputtering target material, high-purity Ar and a carbon-containing gas source serve as working gas, negative bias voltage is applied to a substrate subjected to surface cleaning treatment, target voltage is applied to the metal splicing target, and high-entropy nano composite film deposition is conducted; and after deposition of the high-entropy nano-composite film is completed, cooling the high-entropy nano-composite film to 80 DEG C or below in a vacuum environment, deflating, opening the cavity and discharging the high-entropy nano-composite film out of the furnace, so that the high-entropy nano-composite film with the self-supporting performance is obtained on the surface of the substrate. The thin film comprises the following components in atomic percent: 5-35 at.% of Fe, 5-35 at.% of Co, 5-35 at.% of Ni, 5-35 at.% of Cr and 10-40 at.% of carbon atoms, and the sum of the atomic percent of the components is 100%. Through component design and process innovation, collaborative optimization of high hardness, high toughness, corrosion resistance and self-supporting performance is achieved.

The utility model provides an automatic distance fixing device for material belts, and belongs to the technical field of coil stock processing equipment. The problems that slit metal material strips are tightly arranged, if the tightly arranged material strips are directly wound, the edges of every two adjacent metal material strips are overlapped, and winding fails are solved. The device comprises a mounting seat, a distance wheel rotationally arranged on the mounting seat, and a plurality of separation sheets sleeved on the distance wheel, the plurality of separation sheets are arranged along the axial direction of the distance wheel at intervals, and a guide clamping groove is enclosed between every two adjacent separation sheets; an adjusting device is further arranged on the mounting base and used for adjusting the distance between the partition pieces so that the width of the guide clamping groove can be matched with the width of the material belt. The utility model has the advantages that: before winding, the material belts are respectively placed in the independent guide clamping grooves to play a role in guiding, so that the material belts can be neater during winding, and the winding uniformity of the material belts is improved.

A full-continuous short-process production method for a metal plate strip comprises the steps of smelting, tundish induction heating, thin strip continuous casting, rolling, 1 # flying shearing, cooling after rolling, acid-free descaling, 2 # flying shearing and strip steel coiling, and a steel coil without oxide scale on the surface is obtained. The metal plate strip comprises the following components in percentage by weight: 0.01-0.06% of C, less than or equal to 0.15% of Si, less than or equal to 0.85% of Mn, less than or equal to 0.02% of P, less than or equal to 0.005% of S and Alslt; 0.001%, less than or equal to 0.0050% of Ca, and the balance Fe and other unavoidable impurities. The method comprises the following steps: carrying out on-line hot rolling on a cast strip cast by double rollers through an on-line six-roller mill, and carrying out an acid-free descaling process to obtain a steel coil without oxide scale on the surface. Products produced through the method are high in ductility, good in forming performance and high in surface quality, and the purpose that cold is replaced by hot in the field of high-end products can be truly achieved.

The invention discloses composite strip rolling and stamping forming equipment and a composite strip rolling and stamping method, and relates to the technical field of rolling, and the composite strip rolling and stamping forming equipment comprises an unwinding device, a pulse current heating device, a rolling compounding device, a strip buffering device, an annealing straightening device, a stamping forming device and a winding device which are sequentially arranged in the conveying direction of a strip; the unwinding device unwinds the metal belt; the current heating assembly of the pulse current is used for electrifying and heating the metal belt; the rolling composite device is used for rolling the plurality of metal strips into metal composite strips; the strip buffering device is used for buffering and conveying; the annealing and straightening device is used for annealing and straightening; the punch forming device is used for punching and trimming; and the winding device is used for winding. According to the invention, each metal strip can be respectively and accurately electrified and heated to a high temperature through the current heating assembly, so that the electroplasticity of the strip is improved, the interface bonding strength of the copper steel metal strip is improved, the phenomena of edge rebound, wrinkling and the like of a stamped product are effectively improved through the electroplasticity, and the product quality is improved.

The invention discloses a low-profile and high-integration broadband dual-circularly-polarized transceiving common-aperture phased-array antenna, which adopts a multi-layer PCB (Printed Circuit Board) laminated structure, comprises a radiation patch layer, a quasi-rectangular patch layer, a metal reflection ground layer and a feed layer from top to bottom, and is combined with a metalized blind hole and a buried hole to form a complete coupling path. A U-shaped groove, a U-shaped metal strip and a C-shaped groove are integrated on a metal reflection ground, and a staggered groove is loaded on a quasi-rectangular patch, so that a K / Ka dual-band separated dual-coupled feed structure is realized, and dual circularly polarized radiation is obtained under the same aperture. The antenna is further provided with outer ring and inner ring plated-through hole arrays, the outer ring plated-through hole arrays are used for constructing an isolation area to improve the isolation degree between wavebands, and the inner ring plated-through hole arrays introduce a horizontal electric field component to improve the circular polarization purity and expand the axial ratio bandwidth. Wide impedance bandwidth and wide axial ratio bandwidth are realized in the K wave band and the Ka wave band, the isolation degree is high, the profile is low, the structure is compact, and the broadband phased array antenna is suitable for broadband phased array systems such as satellite communication terminals and mobile platforms.

The utility model discloses non-ferrous metal strip detection equipment which comprises a guide roller and a strip driven by an external winding drum to move on the guide roller, the upper side and the lower side of the strip are respectively provided with a group of mounting plates and a fixed frame, the mounting plates are provided with at least two groups of fixed cameras, the two groups of fixed cameras are arranged in a staggered manner, and the fixed cameras are arranged on the guide roller. An illuminating lamp is mounted on the fixed camera; a plurality of sliding grooves are evenly formed in the fixing frame, sliding seats are arranged in the sliding grooves in a sliding mode, and tracking cameras are arranged on the sliding seats. According to the utility model, the industrial camera is adopted for visual inspection, so that the machine row speed during belt material transportation can be improved, the working efficiency is further improved, the defect detection rate and the detection result accuracy are also improved through multiple times of detection confirmation, the difference degree between the detection result and the defect actually existing on the surface of the whole roll of belt material is greatly reduced, and the product quality is improved. And the overall quality of products is improved.

A cable connector comprises a base portion, a plurality of first conductive terminals and a first cable module. The base platform part is provided with a first surface, a first protruding strip extending and protruding out of the first surface in the first direction and a first positioning block further extending and protruding out of the first protruding strip in the first direction. And the first positioning block is provided with a first positioning surface. The first cable module comprises a first metal strip and a plurality of first cables, and the first metal strip is provided with a first abutting surface. The first cable module is installed on the base table part, the first metal strip is supported on the first surface of the base table part, and the first abutting face of the first metal strip abuts against the first positioning face of the first positioning block in the second direction so that the first cable module can be limited in the second direction.

The utility model provides an automatic bending device for a material belt, and belongs to the technical field of roll material processing equipment. The problem that the process of bending the head of the metal strip needs to be manually completed by workers is solved. The clamping mechanism, the pressing mechanism and the feeding mechanism are arranged on the machine frame, the clamping mechanism is used for clamping a material belt, the pressing mechanism is used for bending the material belt, the feeding mechanism is used for conveying the material belt, the clamping mechanism comprises an upper clamping block and a lower clamping block, and a material passing gap is formed between the upper clamping block and the lower clamping block. The feeding mechanism feeds a material belt into the material passing gap and forwards extends out of the material passing gap; the pressing and leaning mechanism comprises a pressing block and a driving mechanism for driving the pressing block to move, and the pressing block presses the material belt to enable the material belt to be bent so that the head of the material belt can be bent to form a hook. The bending device has the advantages that the material belt is clamped through the clamping mechanism, then the pressing block is moved to push the head of the material belt to be bent, the automation degree is high, the working efficiency is greatly improved, and time and labor are saved.

The invention discloses a filter and electronic equipment. The filter comprises a substrate and a quasi-surface plasmon polariton (SSPP) array. The SSPP array comprises m SSPP units, and the m SSPP units are the same in size. Each SSPP unit in the m SSPP units comprises a first metal strip and a second metal strip which are symmetrically arranged and do not make contact with each other, the first metal strip is located on the upper surface of the substrate, and the second metal strip is located on the lower surface of the substrate. The first metal strip comprises a rectangular structure and an anchor-shaped structure, one end of the rectangular structure is coupled with the edge of the substrate, the other end of the rectangular structure is coupled with the anchor-shaped structure, the width of the anchor-shaped structure is larger than that of the rectangular structure, and the size of the first metal strip is related to tuning parameters of the filter. Therefore, the tuning parameter of the filter can be determined by directly adjusting the size of the first metal strip, and the design flexibility of the filter is improved.

The utility model discloses a metal coil stock precise laser cutting machine which comprises a coil stock discharging frame and a machine frame, a workbench is arranged on the machine frame, and a servo feeding device, a material clamping device, a material pulling device, a needle plate assembly and a laser cutting device are installed on the workbench. The roll material placing frame is used for placing and supplying a rolled metal material strip; the servo feeding device is used for conveying a material belt to the material clamping device and the material pulling device; the material pulling device is used for clamping the end of a material strip and pulling the metal material strip from one side of the needle plate assembly to the other side of the needle plate assembly. The material clamping device is used for clamping the material strip after the material pulling device pulls materials in place. The needle plate assembly comprises a needle plate lifting device and a needle plate, and the needle plate lifting device is used for driving the needle plate to lift; the laser cutting device is used for laser cutting of the material belt on the needle plate assembly. According to the utility model, the material belt can be flatly unfolded on the needle plate assembly, the needle plate is prevented from interfering with the conveying and pulling of the material belt, the material belt is high in positioning stability and flatness, and the high precision of laser cutting is ensured.

The invention discloses a copper-clad aluminum stranded wire device, and relates to the technical field of copper-clad aluminum wire processing, the copper-clad aluminum stranded wire device comprises a stranded wire disc, a plurality of pay-off wheels are arranged on the back face of the stranded wire disc at equal angles, wire harnesses are wound on the surfaces of the pay-off wheels, and the copper-clad aluminum stranded wire device further comprises scroll metal strips which are installed on the back face of the stranded wire disc and correspond to the pay-off wheels one to one. The scroll metal strips can be automatically wound or expanded according to the tension change of the wire harness so as to dynamically adjust the tension of the wire harness, one side of each scroll metal strip is provided with a traction ball, and the traction ball can adaptively adjust the position of the traction ball according to the real-time tension of the wire harness so as to change the travel path of the wire harness from the pay-off wheel to the wire twisting disc; through the scroll metal strip capable of expanding and shrinking automatically and the traction ball capable of moving dynamically, stable adjustment and emergency buffering of the tension of the wire harness, stable control when the tension guided by the scroll metal strip is gradually changed, and quick response when the tension guided by the traction ball is suddenly changed are respectively achieved, overall collaborative operation is achieved, and the stranding quality of the wire harness is ensured.

The present invention discloses a broadband radar cross section reduction metasurface with reflection and scattering characteristics, which includes a number of square structural units arranged in a set manner. Each square structural unit includes a bottom metal plate unit, an upper special-shaped metal strip unit, and a dielectric substrate unit disposed between the bottom metal plate unit and the upper special-shaped metal strip unit. The present invention can integrate two special functions within a relatively wide frequency band, namely the reflection and scattering of incident electromagnetic waves, so as to achieve the functions of specular reflection and RCS reduction.

The invention discloses a display panel and a display device, the display panel comprises an array substrate, an opposite substrate and frame glue, and the display panel comprises a display area and a non-display area; in the non-display area, the array substrate comprises a substrate, a first metal layer, an insulating layer, a second metal layer, a passivation layer, a transparent conductive layer and an alignment film which are sequentially arranged. The non-display area comprises a corrosion area, a spacer area and a conduction area, the first metal layer comprises a first metal wire of the conduction area and a second metal wire of the corrosion area, and the second metal layer comprises a metal strip; the passivation layer is provided with a plurality of first via holes and second via holes, the first via holes expose the first metal layer, the second via holes expose the second metal layer, and the transparent conductive layer extends from the conduction region to the corrosion region, is electrically connected with the first metal wire at least through the first via holes in the conduction region, and is in contact with the second metal wire through the first via holes in the corrosion region; and contacting with the metal strip through the second via hole. Through the arrangement, the problem that the metal wires of the display panel are easy to corrode is solved.

The invention belongs to the technical field of preparation of high-quality metallic nickel connecting strips for new energy batteries, and provides a preparation process for optimizing residual stress of a metallic nickel stamping connecting sheet for a new energy battery, which specifically comprises the steps of material selection, striping, continuous die stamping, inert atmosphere protection annealing, and residual stress detection and control. The range of corners and chamfers of a stamping die adopted in the progressive die stamping is 0.2 mm-1 mm, and the fit dimensional tolerance of a female die and a male die of the stamping die is controlled to be + / -0.05 mm; and the stamping surface in contact with the metal nickel strip is processed by adopting an electrochemical corrosion milling method, the roughness Ra of the stamping surface is less than 0.4 mu m, and the hardness HRC is more than or equal to 55. The metal nickel connecting strip prepared through the method is low in residual stress and small in size deformation after being used, the service life of the metal nickel connecting strip is prolonged, safety and reliability of the metal nickel connecting strip are improved, and the application prospect is wide.

The invention discloses a double-winding coil synchronous machining device for a transformer, and relates to the technical field of transformer coil machining. A guiding mechanism; the first winding assembly comprises a first lower seat body, the first lower seat body is arranged at the output end of the guiding and conveying mechanism, and a first winding module is arranged above the first lower seat body; the second winding assembly comprises a second lower seat body, the second lower seat body is arranged at the output end of the first winding assembly and on the two sides of the metal belt between the first lower seat body and the second lower seat body, and a second winding module is arranged above the second lower seat body; the transfer mechanism comprises a transfer table and a material supporting assembly; a cutting assembly; a discharging mechanism; according to the invention, the first winding can be automatically transferred to the transfer table, the first winding carries out a part of the reserved section, and the second winding assembly can wind the reserved section into the second winding, so that a single metal belt can be processed into a double-winding coil, and the voltage resistance of the inductor is higher.

A measuring roller for determining a property of a strip-shaped material such as metal strip, passed over a measuring roller, having a measuring roller body with a circumferential surface, at least one recess in the measuring roller body, which is arranged at a distance from the circumferential surface or leads from the circumferential surface into the interior of the measuring roller body, and with a first force sensor arranged in the recess and a second force sensor arranged in the recess or in a further recess adjacent to the recess, wherein the first force sensor has a sensor surface and the first force sensor can generate a sensor signal when the position of the sensor surface of the first force sensor changes, and the second force sensor has a sensor surface and the second force sensor can generate a sensor signal when the position of the sensor surface of the second force sensor changes.

The invention belongs to the technical field of optical communication, and particularly relates to a narrow linewidth laser based on a cascaded micro-ring resonant cavity. The laser comprises a semiconductor laser inner cavity module, a gain chip module, a phase shifter, a cascade micro-ring resonant cavity module, a thermal tuning module and an outer cavity reflector. The gain chip is combined with an III-V group material at the top of the silicon waveguide through heterogeneous integration, and adopts an InAlGaAs quantum well to provide high gain; the phase shifter is used for matching the lasing wavelength with the resonant wavelength; the cascaded micro-ring resonant cavity is formed by cascading three micro-rings, and tuning of the laser is realized based on a vernier effect; the thermal tuning module is composed of three semi-annular metal strips and a straight waveguide-shaped metal strip. The outer cavity reflector module adopts a Sagnac ring structure; the laser inner cavity, the gain chip, the cascade micro-ring resonant cavity and the outer cavity reflector are directly connected through silicon waveguides. The laser has the characteristics of narrow linewidth and wide tuning range, is easy to highly integrate and interconnect, and has important application value.

The invention discloses an interconnection method of isolated electrodes. The method comprises the following steps of: primarily filling an isolation trench of a chip with an electric isolation structure by using benzocyclobutene resin; first coating of metal stripping glue and photoresist is carried out on the wafer surface of the chip and in the isolation trench after preliminary filling; opening a to-be-thickened electrode window on the surface of the chip, and covering a first metal layer on the surface of the whole wafer through first thin gold sputtering; coating the metal stripping glue and the photoresist for the second time; opening a to-be-thickened electrode window on the surface of the chip through a photoetching technology, and covering a second metal layer on the surface of the wafer through secondary thin gold sputtering; electroplating the wafer integrally covered with the second metal layer; the electroplated chip is placed in an organic solvent for gold layer stripping, and metal layers formed after sputtering and electroplating of other functional areas are removed. The technical problem that an electric isolation structure cannot be spanned by an electroplating process is solved, and the reliability and the conductivity of electrode connection can be effectively ensured.

The invention discloses deburring equipment for a metal strip of a sealing ring. The deburring equipment comprises a polishing rack; the feeding guide rail assembly is arranged on the grinding rack; the roller transmission assembly is arranged behind the feeding guide rail assembly; the roller driving assembly is arranged above the roller transmission assembly and is connected with the roller transmission assembly; the displacement driving assembly is arranged above the roller driving assembly; one end of the polishing assembly is connected with the displacement driving assembly, and the other end of the polishing assembly abuts against the strip-shaped metal material. According to the technical scheme disclosed by the invention, the strip-shaped metal material can be ground and polished, and the production efficiency is improved while the product quality is firmly guaranteed.

The invention provides a power divider, a feed network and an antenna system.The power divider comprises a metal floor and a metal strip line, the metal strip line is arranged on one side of the metal floor in the direction perpendicular to the metal floor, and the metal strip line comprises a power dividing node, an input port, a first output port and a second output port; the metal strip line between the power division node and the first output port is a first output line, the metal strip line between the power division node and the second output port is a second output line, the two output lines respectively comprise a first node and a second node, and the metal strip lines on the two sides of the first node and the second node are different in impedance. And the difference between the length of the metal strip line between the power division node and the first node and the length of the metal strip line between the power division node and the second node is an integral multiple of a quarter working wavelength of the antenna system. According to the power divider, the feed network and the antenna system provided by the embodiment of the invention, reflection standing waves of the power divider, the feed network and the antenna system can be reduced.

The invention relates to a preparation method of an ultra-thin copper foil with metal-organic disulfide as a composite stripping layer, and belongs to the technical field of manufacturing of thin copper foils. The metal stripping layer is prepared through direct-current electrodeposition, and the interface of a carrier copper foil and the metal stripping layer is strongly combined; organic disulphide or organic disulphide salt is adsorbed between the metal stripping layer and the ultra-thin copper foil to form an organic stripping layer, so that a composite stripping layer with a uniform surface and stable performance is obtained, the stripping strength of the carrier copper foil is effectively reduced, and the ultra-thin copper foil is ultra-thin and uniform; and the binding force between the composite stripping layer and the carrier foil and the binding force between the composite stripping layer and the ultra-thin copper foil are different, so that the ultra-thin copper foil before and after pressing can be easily, completely and stably stripped from the carrier foil.

The invention aims to provide the integrally-formed scissor foot key structure, the mold and the method which are high in overall structural strength, good in linkage effect and free of later assembly. The integrally-formed scissor foot key structure comprises an inner scissor foot assembly and an outer scissor foot assembly, the inner scissor foot assembly comprises a plurality of inner scissor foot pieces, the outer scissor foot assembly comprises a plurality of outer scissor foot pieces, the plurality of inner scissor foot pieces are connected through a first connecting frame, and the plurality of outer scissor foot pieces are connected through a second connecting frame. A middle shaft metal strip is further arranged on the multiple inner scissor foot pieces, the multiple outer scissor foot pieces are matched with the multiple inner scissor foot pieces in a hinged mode through the middle shaft metal strip, and the multiple inner scissor foot pieces and the multiple outer scissor foot pieces are formed on the first connecting frame, the second connecting frame and the middle shaft metal strip in an injection molding mode. The die is used for producing the integrally-formed scissor foot key structure. According to the method, the integrally-formed scissor foot key structure is prepared through a mold. The keyboard key structure is applied to the technical field of keyboard key structures.

The invention discloses a CMOS (Complementary Metal Oxide Semiconductor) process humidity sensor capacitor layout implementation method, which comprises the following steps of: arranging top-layer metals with equal width at equal intervals, and connecting strip-shaped metals to form a positive electrode; the top layer metal is formed by arranging the top layer metal with the same width at the same interval, and the strip-shaped metal is connected to form a negative electrode; negative electrode metal plates are inserted into gaps between the metal plates of the positive electrodes at equal intervals to form an interdigital capacitor; a secondary top layer metal strip is inserted into a gap between the positive electrode and the negative electrode of the capacitor; a dielectric material is spin-coated in a gap between the positive electrode and the negative electrode of the interdigital capacitor; the MEMS back-end processing technology compatible with the CMOS technology is adopted, the technology is mature and stable, the top metal aluminum of the CMOS technology is adopted for the electrodes, no new metal material is additionally added, and meanwhile the interdigital capacitor is higher in sensitivity, good in chemical stability and higher in response speed.

The present invention relates to a coiling mechanism for a hot coil box, belonging to the technical field of uncoiling metal strip produced by non-rolling methods. The coiling mechanism comprises a forming roller and a forming plate disposed on a metal arch. One end of the forming roller's swing arm is fixedly hinged with the metal arch, while the other end of the forming roller's swing arm is fixed to the metal arch. The forming plate is separate from the forming roller and positioned independently in front of the forming roller. A connecting rod is hinged on the metal arch and is provided with a waist-shaped hole and a driving cylinder. One end of the connecting rod is fixed to one end of the forming plate, and the other end of the forming plate is provided with a pin located in the waist-shaped hole. The driving rod of the driving cylinder is connected to the pin. The metal arch is also provided with a free roller located below the forming roller. This coiling mechanism not only withstands impact during strip coiling but also ensures smooth passage of the strip when it is empty and facilitates installation and replacement.