33results about How to "Forming accurately" patented technology

The invention discloses a photoresist composition and a patterning method thereof, the photoresist composition comprises an organic solvent, a free radical photoinitiator, a co-initiator and a film-forming monomer, the film-forming monomer is metal oxygen cluster and metal oxide nanoparticles, the mass percentage content of the film-forming monomer is 1-30%, the mass percentage content of the co-initiator is 1-30%, and the mass percentage content of the film-forming monomer is 1-30%. The mass percentage content of the free radical photoinitiator is 0.01%-3%, the mass percentage content of the auxiliary initiator is 0-10%, and the mass percentage content of the organic solvent is 57%-98.99%. According to the photoresist composition introduced with the free radical photoinitiator, free radicals are efficiently generated under illumination, cross-linking polymerization of double bonds on the surfaces of metal oxygen clusters and metal oxide nanoparticles is promoted, the photosensitive performance is greatly improved, excellent sensitivity is shown in extreme ultraviolet, electron beams and visible light (within the light source range of 250-600 nanometers), and high-precision photoetching patterning is achieved.

The utility model discloses a novel Guibi machine table mold, and relates to the technical field of sole mold processing. The forming mold comprises a bottom mold and a sole assembly, a mold groove is formed in the bottom mold, a head wrapping mold assembly is arranged at the top of the bottom mold, a side mold is arranged above the outer side of the bottom mold, a Guibi machine table mold frame is arranged at the top of the side mold, the head wrapping mold assembly comprises a movable insert and a clamp, and the movable insert and the clamp are arranged on the bottom mold. A reverse concave wrapping die groove is formed in the movable insert, a limiting die is arranged on one side of the top face of the bottom die, and the shape of a reverse concave wrapping die can be accurately formed through the wrapping die assembly and the common limiting effect of the reverse concave wrapping die groove and the limiting die. According to the design, it is ensured that the reverse concave wrapping head part in the shoe sole assembly can be accurately and rapidly formed, due to the detachability of the movable insert, the Guibi machine mold can meet the production requirements of molds with wrapping heads and molds without wrapping heads at the same time, and the universality and production efficiency of the mold are improved.

The invention relates to the technical field of hard rock stratum blasting construction, and discloses a hard rock stratum excavation device based on blasting vibration safety control and a using method of the hard rock stratum excavation device. The technical problems that in the prior art, harmful effects exist in underground engineering drilling and blasting method construction, and control is difficult are solved. The system comprises a blasting structure arranged in a hard rock stratum section and a monitoring module arranged on the earth surface, the blasting structure comprises blast holes and vibration reduction holes, the blast holes comprise slotting holes, auxiliary holes and peripheral holes, eccentric non-coupling vibration isolation charging structures are arranged in the slotting holes and the auxiliary holes, and the vibration reduction holes are arranged in the peripheral holes. Comprising a radial non-coupling charging structure and an axial non-coupling charging structure, an energy gathering cover interval charging structure is arranged in a peripheral hole, a vibration reduction hole is formed between a blast hole in a tunnel and a protection object, and the monitoring module comprises measuring points and vibration meters which are arranged in excavated and non-excavated areas on the two sides of a tunnel face. According to the method, the technical level of hard rock stratum blasting excavation construction is improved, and metro hard rock stratum blasting fine design, meticulous construction and control over harmful effects are achieved.

The invention relates to the technical field of prefabricated formworks, in particular to an arc-shaped equipment foundation prefabricated formwork equally-divided assembling and reinforcing method which comprises the steps that firstly, lofting is conducted on plywood according to the foundation diameter, a corresponding circular formwork outline is cut out, and a bottom fixing plate and a top end fixing plate are manufactured; finally, the base is divided into an even number of bottom fixing plates and top end fixing plates according to the diameter of the base; equilong battens are cut according to the height of the foundation to form supporting assemblies, and the supporting assemblies are evenly distributed between the bottom fixing plate and the top end fixing plate and fixed through nails, so that a prefabricated circular-arc-shaped equipment foundation framework is formed; the corresponding circular-arc-shaped equipment foundation framework is assembled on the bottom plate, and a complete circular-arc-shaped equipment foundation prefabricated formwork is formed; flattening an iron sheet higher than the top end fixing plate on the fixing cambered surface; and after the internal iron sheet is fixed, a circle is defined on the fastening groove by using a reinforcing steel bar, and the joint is fastened by using an opposite-drawing lead screw and then is welded and reinforced at the joint.

The invention provides a photoresist composition and a preparation process thereof. The photoresist composition is prepared from the following raw materials in parts by weight: 80.0 to 100.0 parts of solvent, 20.0 to 40.0 parts of resin, 3.0 to 5.0 parts of photoinitiator, 1.0 to 3.0 parts of light stabilizer, 1.5 to 2.5 parts of tackifier, 1.0 to 1.5 parts of monomer, 1.0 to 2.0 parts of acid diffusion inhibitor and 0.5 to 2.0 parts of flatting agent. Wherein the acid diffusion inhibitor is prepared from perfluorocyclohexane, benzo-15-crown ether-5 and L-ethyl lactate, and the mass volume ratio g / mL of the perfluorocyclohexane to the benzo-15-crown ether-5 to the L-ethyl lactate is (2-3): (1-2): (1-2). According to the acid diffusion inhibitor disclosed by the invention, through the combined action of different mechanisms of the perfluorocyclohexane, the benzo-15-crown ether-5 and the L-ethyl lactate, the diffusion speed of acid is slowed down, so that the boundary between an exposure region and a non-exposure region is clearer, and the resolution ratio of photoresist is improved. By modifying the methacrylic resin, the surface energy and polarity of the methacrylic resin are changed, and the solubility of the resin after exposure is remarkably changed, so that the photoresist is easier to remove in a developing solution, and the definition and resolution of a pattern are improved.

Disclosed is an apparatus and method for manufacturing a cylindrical secondary battery cell. An apparatus for manufacturing a cylindrical secondary battery cell according to one embodiment of the present invention is an apparatus for manufacturing such a cylindrical secondary battery cell, the cylindrical secondary battery cell comprising: a battery can, an electrode assembly and an electrolyte are contained in the battery can; a cover plate, the cover plate is connected to the battery can; and a gasket, the gasket is located between the battery can and the cover plate. The apparatus for manufacturing a cylindrical secondary battery cell comprises: a supporting member, the cylindrical secondary battery cell is introduced into the supporting member so that the end of the battery can and the end of the gasket are arranged to face a preset direction, and the cover plate is arranged to contact the gasket; at least one fixing member, the at least one fixing member is used to fix the cylindrical secondary battery cell moved to a preset position by the supporting member; and a forming member, the forming member is located above the cylindrical secondary battery cell fixed by the fixing member and forms a curling portion by pressing the end of the battery can while rotating.

A portable wave-shaped guardrail installation device comprises a limiting mechanism, the limiting mechanism comprises a set of frames, a set of wave-shaped limiting baffles are installed between the two frames, the set of frames and the wave-shaped limiting baffles are combined to form a guardrail limiting area, one end of the limiting mechanism and a connecting mechanism are installed and fixed together, and the other end of the limiting mechanism is connected with the connecting mechanism. The other end of the connecting mechanism and the hydraulic mechanism are fixedly mounted together; according to the device, the wave-shaped guardrail is positioned through the arrangement of the V-shaped frame and the wave-shaped limiting baffles, up-down and left-right movement of the wave-shaped guardrail is effectively prevented, meanwhile, the wave-shaped limiting baffles are made of rubber materials, damage to the guardrail caused by hard contact with the guardrail is avoided, meanwhile, the device is attached to the guardrail more tightly, and the service life of the guardrail is prolonged. Slippage and rebounding caused by hard action between the guardrail and the device are avoided; long waist-shaped grooves are formed in the two sides of the connecting block, so that the limiting mechanism can be adjusted according to the mounting height of the wave-shaped guardrail; the device overcomes the defects in the prior art, mechanical installation of the wave-shaped guardrail is achieved, and the device is convenient to carry.

The invention relates to the technical field of metro segments, in particular to a concrete metro segment and a combined connecting structure thereof, four corners of the segment are chamfered parts, and four first sunken parts and two second sunken parts are arranged on the inner arc surface of the segment; four third concave parts and two fourth concave parts are arranged on the outer arc surface of the pipe piece; when staggered joint splicing is adopted, a notch is formed in the convergence position of the longitudinal joint and the circular joint, an inner side circular concave seat is formed on the inner side of the notch, and an outer side circular concave seat is formed on the outer side of the notch; the combined connecting structure of the concrete subway segment further comprises a plurality of locking pieces, a plurality of plugs and a plurality of reinforcing anchor rods. The concrete subway segment is good in structural integrity, excellent in bearing capacity and waterproof performance, easy to process and low in manufacturing cost; when the staggered joint splicing technology is adopted for installation, accurate positioning and firm connection can be conducted through the locking pieces, stress distribution between adjacent pipe pieces is balanced, the splicing seam compaction performance is good, chamfering design is adopted for corners, the defect that the corners are prone to being damaged is overcome, and the production and construction cost is reduced.

The present invention relates to the technical field of forging dies, and in particular to a cold extrusion shaft die for automotive accessories, comprising an upper die and a lower die, wherein a base assembly is provided below the lower die, a ejector assembly is provided on the lower side of the lower die, the ejector assembly is used to eject the workpiece after forming, a guide assembly is provided between the upper die and the lower die, the guide assembly is used to guide when the upper die rises or falls, a connecting assembly is provided on the upper side of the upper die, and two sides of the upper die that are far from each other are provided with in-place self-locking assemblies, the in-place self-locking assemblies are used to position the upper die after the upper die and the lower die are closed, and a lifting self-unlocking assembly is provided between the ejector assembly and the connecting assembly. The present invention has the functions of facilitating groove pressing, continuous processing, and automatic locking by arranging the upper die, and has high processing efficiency.

The present invention relates to the field of printing production technology, in particular to an automatic composite molding system for printed products, comprising a substrate feeding mechanism, a printing mechanism, a drying mechanism, a film material unwinding mechanism, a composite mechanism and a molding mechanism which are arranged in sequence; the substrate feeding mechanism is used for feeding printed substrates, the printing mechanism is provided with at least one group to print patterns on the printing substrate, the drying mechanism is used for drying the ink after printing and guiding the dried printed substrate toward the composite mechanism, the film material unwinding mechanism is used for the film material unwinding paper composite mechanism, the composite mechanism is used for thermally composite the film material on the surface of the printing substrate and guide the coated printed substrate toward the molding mechanism; the present invention performs die-cutting molding on the substrate after feeding, printing, drying and film material composite in sequence, thereby realizing the automatic production of printed products without manual intervention, high production efficiency and high degree of automation.

The invention provides a hot rolling preparation method for producing flat-bulb titanium and application, the method comprises the steps that S1, a square blank is preheated to T1 and then subjected to heat preservation for 1-2 h, the phase transformation point of the square blank is T2, T1 = T2-delta T, and delta T ranges from 20 DEG C to 30 DEG C; s2, rough rolling is conducted at the speed of 4.5 m / s to 5.5 m / s, a groove is formed, the blank temperature after rough rolling is larger than or equal to 880 DEG C, finish rolling is conducted in a continuous passing mode to conduct arc shaping on the blank, the symmetrical flat-bulb titanium profile with bulbs at the two ends and a web in the middle is obtained, the blank temperature after finish rolling is larger than or equal to 850 DEG C, and the total rolling deformation ranges from 75% to 85%; s3, the profile is conveyed to a line roller type tension straightening machine through a roller way to be subjected to tension straightening treatment, the speed is 0.4-0.6 m / s, and the temperature of the straightened profile is larger than or equal to 700 DEG C; and S4, air cooling treatment is carried out, then tongue-shaped parts at the head and the tail are cut off, oxide skin on the surface layer is cleaned, and two flat-bulb titanium profiles with the same specification are obtained through water cutting symmetric segmentation in the rolling direction. According to the method, the temperature difference between the head and the tail can be reduced, the structure property uniformity and the batch stability are improved, and the minimum length of the prepared flat-bulb titanium profile can reach 12-15 m.

The utility model discloses a die for manufacturing a cutting tool. The die comprises a supporting structure and a cutting structure, the outer wall of the mold device is fixedly connected with the outer wall of the supporting structure; the utility model relates to the technical field of cutter manufacturing, the device adjusts the position of a module on a heat conducting plate through a supporting structure, a die device, a threaded rod in threaded connection with a die plate in a matched mode and the module in rotary connection, and the device can adapt to manufacturing of cutting tools of different sizes. The push handle is pushed to drive the sliding block to slide in the sliding groove to interact with the slope block, the supporting plate drives the demolding plate to ascend to demold the cutter in the heat conduction plate, operation is convenient and fast, the push handle is loosened after the cutter is taken out, elastic force is automatically released to reset the demolding plate and the sliding block, preparation is made for next punching work, and time and labor cost are saved.

A scanning microscope unit includes: a light source for outputting irradiation light; a photodetector for detecting observation light generated from an observation object in response to irradiation with the irradiation light; a MEMS mirror for scanning the irradiation light over the observation object, and for guiding the observation light toward the photodetector; a scanning lens for guiding the irradiation light scanned by the MEMS mirror, to a microscope optical system, and for guiding the observation light imaged by the microscope optical system, to the MEMS mirror; and a frame member formed in a frame shape to define an opening, and disposed on a side of the microscope optical system with respect to the scanning lens such that the irradiation light and the observation light pass through the opening. The frame member includes a calibration portion provided in a side portion defining the opening, and for generating calibration light including a sensitivity wavelength of the photodetector in response to an incidence of the irradiation light.

The invention relates to the field of building construction, and particularly discloses a hydraulic self-climbing type elevator shaft shaping operation platform and a construction method. The middle part of the second climbing assembly is provided with a mounting hole for the local part of the first climbing assembly to pass through; the power device is used for controlling the first climbing assembly and the second climbing assembly to climb in a staggered manner and is fixedly connected with the first climbing assembly or the second climbing assembly; the steel skeleton support is adjustably mounted on the second climbing assembly; the formwork assembly is detachably mounted on the steel skeleton support; and one end of the pull-up adjusting supporting unit is hinged to the formwork assembly, and the other end of the pull-up adjusting supporting unit is hinged to one end of the first climbing assembly. According to the scheme, the steel framework support is adjustably installed on the second climbing assembly and matched with the pull-up adjusting supporting unit, so that when the formwork assembly is folded or unfolded, disassembly and assembly matching of the formwork assembly is more convenient and efficient.

The invention discloses a preparation method of a reinforced ultra-high molecular weight polyethylene composite material, and relates to the technical field of composite materials, and the preparation method comprises the following steps: S1, firstly, accurately weighing ultra-high molecular weight polyethylene, aramid fiber and nano titanium dioxide, drying at 80 DEG C for 4-6 hours, modifying the surface of titanium dioxide, and the like. Through composite use of ultra-high molecular weight polyethylene, aramid fiber and nano titanium dioxide, high strength and toughness are provided, the rigidity and wear resistance of the composite material are improved, titanium dioxide surface modification treatment is carried out, so that the composite material has excellent melt index performance, and when automobile interior trim parts are subjected to injection molding, the impact resistance of the automobile interior trim parts is improved. Due to the good melt index performance, the material can be more easily filled in a complex cavity of a mold, parts with various shapes and high detail requirements can be accurately molded, the appearance quality and the assembly precision of interior trim parts can be improved, the rejection rate caused by molding defects is reduced, and the cost is reduced.

The invention provides a manufacturing method of a Mini-LED packaging BT substrate, and the method comprises the following steps: S1, carrying out the processing of the surface of a BT carrier plate, and enabling the surface to form a compact light absorption film layer; s2, performing laser grooving on the BT carrier plate subjected to surface treatment; s3, electroplating and copper deposition are carried out on the BT carrier plate after slotting; s4, a circuit pattern is manufactured on the BT carrier plate after copper deposition is completed; s5, performing resistance welding processing on the BT carrier plate on which the circuit pattern is manufactured; and S6, carrying out nickel-palladium-gold treatment on the BT carrier plate subjected to resistance welding treatment, and then carrying out cleaning, cutting, fragmentation and inspection to obtain the Mini-LED packaging BT substrate. According to the manufacturing method of the Mini-LED packaging BT substrate provided by the invention, the surface of a BT carrier plate is treated, so that a compact light absorption film layer is formed on the surface of the BT carrier plate; according to the method, the undemanded area is removed through the laser, grooving of the LED packaging BT substrate is achieved, the width of the groove can be not larger than 0.1 mm, the cutting quality is improved, the grooving precision is improved, the manufacturing cost is reduced, and therefore high-precision and low-cost grooving manufacturing is achieved.

The present invention discloses a hydraulic self-propelled anti-collision wall formwork trolley, which belongs to the technical field of bridge construction equipment, and includes a portal frame with walking wheels at the bottom of both sides, and telescopic beams are symmetrically arranged on both sides of the portal frame; a transverse oil cylinder for controlling the telescopic beam to be extended and retracted is arranged on the portal frame; the lower end of the telescopic beam is connected to the ear seat through a lifting oil cylinder; the lower end of the ear seat is hinged with an outer template and an inner template, and the outer template and the inner template together constitute the molded body required for the anti-collision wall concrete; a drooping hanger is arranged at the end of the telescopic beam, and a hanging basket for staff operation is arranged at the lower end of the hanger; a second positioning demoulding oil cylinder is arranged between the outer template and the hanger; a first positioning demoulding oil cylinder is arranged between the inner template and the portal frame. It can reduce the investment of construction personnel and auxiliary equipment, improve construction efficiency, reduce cost investment, ensure construction quality, and improve the aesthetics of the anti-collision wall.

The invention discloses a machining process of a step bushing, and relates to the technical field of machining, the specific steps of the process are as follows: S100, die design: according to the design requirements of the step bushing, drawing a detailed three-dimensional drawing including key information of the size, angle and material of a step, analyzing the drawing, determining the feasibility of a stamping process, and determining the size of the step bushing according to the feasibility of the stamping process; comprising the stamping property of materials and the complexity of die design, the whole-process stamping technology is adopted, one-time forming of the step lining is achieved, multiple cutting procedures in a traditional machining method are remarkably reduced, due to the high-efficiency characteristic of the stamping technology, a large number of products can be produced within a short time, and the production cost is reduced. Meanwhile, due to the fact that the steps of material removal and follow-up finish machining are omitted, raw materials are saved, machining time is shortened, production cost is reduced, equipment abrasion and energy consumption caused by cutting machining are avoided, and the production cost is further reduced.

The invention belongs to the technical field of charging processing, and discloses a charging combined die which comprises a shell, a die body and a die head. The connecting block is arranged on the surface of the shell; and the exhaust mechanism is arranged in the connecting block, the exhaust mechanism comprises four first air inlet grooves, the first air inlet grooves are formed in the connecting block, and the first air inlet grooves communicate with the shell. Gas in a second gas inlet groove can enter a gas inlet shell and a first gas inlet groove from gas inlets, the gas can penetrate through the first gas inlet groove to enter the shell, finally, flowing gas pushes a baffle to enable the two gas inlets to coincide, the gas enters the shell in an accelerated mode, and the pressure in the shell is increased; therefore, the production cycle can be remarkably shortened, the overall production efficiency is improved, the efficient pressurizing process can ensure that objects in the mold are formed more accurately, and shape deviation and size errors are reduced.

The utility model discloses a building curtain wall metal plate forming tool, belongs to the technical field of building curtain wall metal plate processing, and aims to solve the problem that the stability is poor when a building curtain wall is formed, mounted and welded, the building curtain wall metal plate forming tool comprises a bottom plate, and three symmetrically-arranged mounting plates are fixed to the side wall of the top end of the bottom plate. A plurality of clamping grooves which are symmetrically formed are formed in the mounting plate; through the arrangement of the mounting plate, the metal curtain wall panel can be quickly positioned and formed, the metal plate is standard in size and good in forming effect, deformation can be effectively controlled in the welding process, the metal curtain wall panel can be accurately and quickly positioned through the tool, streamlined construction can be formed, the manufacturing cost is reduced, the construction period is shortened, and the production efficiency is improved. And meanwhile, the appearance exquisite degree of the metal curtain wall of the type is greatly improved, the building curtain wall metal plate forming tool can meet the requirement for modern building curtain wall machining, and the production efficiency and the machining precision are improved.

The invention discloses a photoresist composition and a patterning method thereof, the photoresist composition comprises an organic solvent and titanium oxide compound nanoparticles, the mass percentage content of a metal oxygen cluster film forming monomer is 1%-30%, and the mass percentage content of the organic solvent is 70%-99%. Titanium commonly used as photocatalytic metal is selected as central metal, benzoic acid which is long in absorption wavelength and easy to leave or a derivative of benzoic acid is selected as ligand, carboxylic acid ligand is easy to leave under the action of extreme ultraviolet, electron beams and visible light (within the light source range of 250-600 nanometers), the solubility of photoresist is promoted to be converted, excellent sensitivity is shown, and the preparation method is simple and easy to implement. And high-precision photoetching patterning is realized.

This invention discloses a lane line annotation method. First, it acquires the point and surface results of lane line detection separately. Then, it fuses the point and surface results using a multi-model approach to obtain a fused point set. Next, it tracks the fused point set and selects consecutive frames for tracking and fusion to obtain a merged point set. Finally, it performs fitting based on the merged point set and uses the fitting result as the lane line annotation result. This method automates lane line annotation and significantly improves its accuracy. Furthermore, it can quickly and accurately generate a large amount of sample data, providing a training set for lane line detection models and increasing the efficiency of developing new lane line detection models.

The present invention relates to a punching-type iridotomy instrument, and more particularly, to a punching-type iridotomy instrument which, in iridectomy, increases the size and positioning accuracy iris incision through structural improvement in a perforation method, thereby shortening the surgery time and facilitating the convenience of surgical procedures. According to the present invention, the punching-type iridotomy instrument includes a grip manipulation part configured to be manipulated to be opened or closed by a user while being held by the user's hand, an extension shaft extending from the grip manipulation part, and a punching operating unit extending from the extension shaft and configured to perform an operation of forming a hole in a predetermined site of a peripheral portion of an iris in conjunction with an operation of the grip manipulation part performed by the user's manipulation, in which the grip manipulation part includes a first round shaft extending from a rear side of the extension shaft and having a first finger grip ring formed at an end of the first round shaft and configured to be fitted with the user's thumb, a second round shaft hingedly coupled to a predetermined position on the extension shaft by a pivot pin and having a second finger grip ring formed at an end of the second round shaft and configured to be fitted with the user's ring finger, the second round shaft being configured to implement a rotational operation related to a motion of the ring finger fitted into the second finger grip ring, a spring disposed between the first and second round shafts and configured to exert elasticity for pushing the second round shaft, and a wire configured to connect the second round shaft and the punching operating unit while passing through the extension shaft and operate the punching operating unit in conjunction with a rotational operation of the second round shaft.

Realized is a formation of a nanopore having a desired size (nanopore having a size.close to a size of a detection target) with high yields using the dielectric breakdown phenomenon. The present disclosure proposes, as an aspect, a pore forming method including disposing a membrane between a first electrolyte solution and a second electrolyte solution held in a chamber configuration, bringing a first electrode into contact with the first electrolyte solution and a second electrode into contact with the second electrolyte solution, outputting a first voltage from a voltage source to a circuit configured by disposing the voltage source and a resistor in a wiring connecting the first electrode and the second electrode, measuring a second voltage between the first electrode and the second electrode, detecting a significant change in the second voltage, and stopping output of the first voltage in response to detecting the significant change in the second voltage (see FIG. 5).

The utility model provides a tool for preparing a large animal acute trauma model, and belongs to the technical field of experimental tools. The tool for preparing the large animal acute trauma model comprises a square box, a handle is installed at the top end of the square box, annular cutting mechanisms are installed on the two sides of the outer wall of the square box respectively, the annular cutting mechanisms are slidably connected with the side wall of the square box, an adjusting mechanism is fixedly connected to the top in the square box, and a horizontal cutting mechanism is fixed to the telescopic end of the adjusting mechanism through bolts. The two ends of the horizontal cutting mechanism are slidably connected with the two sides of the inner wall of the square box. Through the cooperation of the annular cutting mechanism, the adjusting mechanism and the horizontal cutting mechanism, the tool can accurately form a standardized acute trauma model with a uniform size in a short time. Therefore, not only is the experiment efficiency improved, but also the reliability and repeatability of the experiment result are ensured.

The invention provides an electronic component and a manufacturing method thereof, the electronic component comprises a plurality of layers of laminated structures, each layer of laminated structure is provided with an insulating resin layer and a conductive layer, and the insulating resin layer is coated outside the conductive layer; the insulating resin layer is provided with a via hole, the via hole is filled with an electric conductor, and the electric conductor is communicated with the two adjacent conducting layers; the outer end face of the electronic component is provided with at least two external terminals, and each external terminal is electrically connected with at least one conductive layer. And at least one surface of the conductive layer is in contact with the insulating resin layer, and the roughness of the surface of the conductive layer in contact with the insulating resin layer is between 0.08 [mu] m and 0.11 [mu] m. The invention further provides a manufacturing method of the electronic component. The quality factor of the electronic component can be improved.

The invention relates to the technical field of photovoltaics, and discloses a passivation contact solar cell and a preparation method thereof. The preparation method comprises the following steps: providing a substrate layer with a first surface and a second surface which are opposite; forming an oxide layer on the first surface of the substrate layer; performing laser sintering treatment on the surface of the oxide layer; forming a first doping layer on the oxide layer after laser sintering treatment; forming a second doping layer on the second surface of the substrate layer; and forming a first electrode connected with the first doping layer on one side of the first surface of the substrate layer, and forming a second electrode connected with the second doping layer on one side of the second surface of the substrate layer. According to the invention, the laser sintering treatment is carried out on the oxide layer to realize accurate optimization of the surface of the oxide layer and improve the surface and interface characteristics, so that the surface recombination rate of the oxide layer and the substrate layer and the first doping layer is reduced, the service life of a carrier is prolonged, the photoelectric conversion efficiency and stability of the cell are improved, and the power generation efficiency is improved.

The utility model discloses extrusion molding equipment and a cable molding system, and belongs to the technical field of cable molding, the extrusion molding equipment comprises a mold core provided with an outer conical surface and a mold sleeve provided with an inner conical surface, and an extrusion molding runner used for material extrusion molding is formed by utilizing the opposite matching of the inner conical surface and the outer conical surface; the outer conical surface is arranged to comprise the first conical surface and the second conical surface which are different in taper, and the inner conical surface is arranged to be in the form that the axial position of the inner conical surface is adjustable, so that the extrusion molding quality of materials and the flexible adjusting capacity of extrusion molding equipment are improved. The extrusion molding equipment disclosed by the utility model is compact in structure, convenient and fast to assemble and capable of realizing accurate extrusion molding of materials and ensuring the extrusion molding quality and effect; meanwhile, by adjusting the alignment state and the dislocation state of the extrusion molding runner, the working state of the extrusion molding runner can be correspondingly changed, and adjustment of material pressure drop in the extrusion molding process is achieved, so that application under different extrusion molding requirements is met, the extrusion molding quality of a peripheral coating layer of a cable core assembly is improved, and good practical value is achieved.

A scanning microscope unit includes: a light source for outputting irradiation light; a photodetector for detecting observation light generated from an observation object in response to irradiation with the irradiation light; a MEMS mirror for scanning the irradiation light over the observation object, and for guiding the observation light toward the photodetector; a scanning lens for guiding the irradiation light scanned by the MEMS mirror, to a microscope optical system, and for guiding the observation light imaged by the microscope optical system, to the MEMS mirror; and a frame member formed in a frame shape to define an opening, and disposed on a side of the microscope optical system with respect to the scanning lens such that the irradiation light and the observation light pass through the opening. The frame member includes a calibration portion provided in a side portion defining the opening, and for generating calibration light including a sensitivity wavelength of the photodetector in response to an incidence of the irradiation light.

The utility model relates to a reverse support system for pouring a floor support plate of a high and large space steel structure, and belongs to the technical field of steel structure building construction. The system comprises a split head arranged on a steel structure I-shaped steel beam, a reverse support main beam is placed on the split head, a reverse support upper secondary beam and a reverse support lower secondary beam are placed in the vertical direction of the reverse support main beam, and the reverse support upper secondary beam, a floor support plate reinforcing steel bar and the reverse support lower secondary beam are connected through split screws and fixed through butterfly clamps. During pouring, force generated downwards is transmitted to the reverse support upper secondary beams through the opposite-pull screws, then transmitted to the reverse support main beams and then transmitted to the steel structure I-shaped steel beams, and therefore the effect that force on the floor support plate is finally transmitted to the firm and stable steel structure I-shaped steel beams is achieved, and it is guaranteed that collapse accidents do not occur when concrete is poured into the floor support plate. The supporting system is scientific in design, reasonable in structure, easy to construct, safe, reliable, accurate in forming and attractive in appearance, meets the requirement of excellent engineering and meets the use function.