305results about How to "Improve manufacturing yield" patented technology

The invention relates to an electron beam additive manufacturing method and system for a titanium-aluminum intermetallic compound, and the electron beam additive manufacturing method for the titanium-aluminum intermetallic compound is realized through the electron beam additive manufacturing system for the titanium-aluminum intermetallic compound. The invention relates to a method for carrying out layer-by-layer stacking forming according to a preset track, carrying out follow-up scanning heating by adopting at least two electron beams and homogenizing a temperature field of a formed part, in particular to a rapid additive manufacturing method for a high-temperature material which is difficult to weld and needs a small temperature gradient and low stress in the forming process. The method can solve the problems of high manufacturing difficulty, high manufacturing cost and the like of the current common processing technology of intermetallic compound parts such as titanium and aluminum.

The invention discloses a method for manufacturing a tube body with a three-layer structure, a medical cannula and a catheter pump, the method comprises a preset procedure at least used for forming an outer side structure layer on a core rod, and the preset procedure comprises the steps of obtaining fan-shaped sheets, folding the fan-shaped sheets in the circumferential direction of a variable-diameter section, and limiting and fixing the fan-shaped sheets on the outer side of the variable-diameter section, a conical pipe is obtained; a first pipe and a second pipe are obtained through extrusion process molding, the first pipe is connected to the outer side of the first constant-diameter section in a sleeving mode, the second pipe is connected to the outer side of the second constant-diameter section in a sleeving mode, and the two ends of the conical pipe abut against the first pipe and the second pipe correspondingly; and obtaining a first heat shrink tube, sleeving the outer side of the core rod with the first heat shrink tube, and detaching the first heat shrink tube after the first heat shrink tube is subjected to heat shrink molding in place. According to the invention, the manufacturing efficiency and yield of products can be improved.

The invention discloses a laser non-traditional machining ultrathin vapor chamber and a manufacturing method thereof. The laser non-traditional machining ultrathin vapor chamber comprises a first shell plate, a second shell plate and a liquid absorption core layer. The first shell plate and the second shell plate are welded through laser to form a closed accommodating cavity; the liquid absorption core layer is arranged in the containing cavity, a micro-nano structure is formed on the surface of the liquid absorption core layer through laser ablation, the capillary performance of a liquid absorption core is improved, and then the heat transfer performance of the vapor chamber is improved; meanwhile, the inner surfaces of the two shell plates can be subjected to laser ablation treatment to form a micro-channel structure. The manufacturing method comprises the steps of laser ablation of the wick layer and laser welding of the two shell plates. Based on the laser ablation technology, design and treatment of the microstructure morphology of the surface of the wick can be met; the influence on the mechanical property of a shell material in the manufacturing process can be reduced to the maximum extent through laser welding, the manufacturing yield of the vapor chamber is improved, and compared with traditional brazing, non-contact welding can avoid pollution to an internal wick.

The invention belongs to the technical field of electricity meter assembling, and discloses a silicon steel sheet shaping device which comprises a mounting base, a feeding driving part, a feeding part, a limiting part and a shaping driving part, the mounting base is provided with a receding groove formed in a penetrating mode, the feeding driving part is mounted on the mounting base, the feeding part is provided with a feeding groove formed in a penetrating mode, and the limiting part is mounted on the feeding groove. The feeding groove is used for containing at least one transformer, and the feeding piece is connected with the feeding driving piece; the limiting piece is installed on the installation base and located above the receding groove, the shaping driving piece is installed on the installation base, and the power output end of the shaping driving piece corresponds to the receding groove. After the feeding driving piece drives the feeding piece to move to the position, corresponding to the avoiding groove, of the feeding groove, the shaping driving piece can drive the transformer in the feeding groove to ascend and abut against the limiting piece. The silicon steel sheet shaping device can conveniently shape the silicon steel sheet of the transformer, and is high in shaping efficiency and high in shaping yield.

The invention provides a back contact photovoltaic cell piece capable of preventing stacking scratch in a high-temperature passivation process. The back contact photovoltaic cell piece comprises a back contact photovoltaic cell piece body and a plurality of soft isolation protrusions located on the light receiving face of the back contact photovoltaic cell piece body. The soft isolation protrusions are used for supporting photovoltaic cells to be mutually isolated when the photovoltaic cells are stacked layer by layer, and the soft isolation protrusions are resistant to high temperature of 300 DEG C and do not become sticky or yellow within 3 hours. According to the invention, the soft isolation projections are arranged on the light receiving surface of the back contact photovoltaic cell sheet body to support mutual isolation of the photovoltaic cell sheets when the photovoltaic cell sheets are stacked layer by layer, so that the photovoltaic cell sheets can be protected from being scratched in the stacking and moving process; the flexible isolation protrusions are arranged on the back contact photovoltaic cell piece, the flexible isolation protrusions can be prevented from scratching the surface of the photovoltaic cell piece due to the specific flexibility of the flexible isolation protrusions, meanwhile, the flexible isolation protrusions can bear the passivation temperature of 300 DEG C or above and do not crack or yellow or adhere to the cell piece, and therefore it can be ensured that the back contact photovoltaic cell piece is subjected to high-temperature passivation in a multi-layer stacking mode, and the passivation efficiency is improved.

The invention provides a display panel, a display device and a preparation method of the display panel, the display panel comprises a substrate, an optical adhesive layer, an ink layer and a light adjusting part, and the optical adhesive layer is arranged on one side of the substrate and is formed through optical curing. The ink layer is arranged on the side, away from the substrate, of at least part of the structure in the optical adhesive layer, and the light adjusting part is arranged on the side, facing the substrate, of the ink layer and attached to the optical adhesive layer. The orthographic projection of the light adjusting part on the substrate and the orthographic projection of the ink layer on the substrate are arranged in an overlapping mode. In the embodiment of the invention, part of cured light transmitted to the lower part of the ink layer can be transmitted into the light adjusting part, and is adjusted by the light adjusting part to change the transmission path, so that at least part of light can be transmitted to other positions in the optical adhesive layer instead of entering the ink layer and being absorbed by the ink layer; therefore, the curing effect corresponding to the optical adhesive layer is improved, and the preparation yield and the use reliability of the display panel are improved.

The invention provides cotton and linen blended mattress spring wrapping cloth and a preparation method thereof, and belongs to the field of non-woven fabrics. The preparation method of the cotton and linen blended mattress spring wrapping cloth comprises the following steps: opening, cleaning and mixing, carding, lapping, needling and reinforcing, and post-processing. According to the cotton and linen blended mattress spring wrapping cloth and the preparation method thereof, the green sustainable development concept can be achieved, and the mechanical property and corrosion resistance of the mattress spring wrapping cloth can be improved while the anti-aging performance of the non-woven fabric is improved; meanwhile, in the preparation process of the cotton and linen blended mattress spring wrapping cloth, the problems that the tangling state is difficult to control, the blending uniformity is poor, the hardness style is difficult to control and the overall performance of the mattress spring wrapping cloth is unstable due to inconsistent characteristics of raw material fibers can be effectively avoided; and fiber breakage in the carding process is effectively avoided, fiber adhesion in the lapping process is avoided, and the preparation yield of the mattress spring wrapping cloth is increased.

The invention provides a display panel and a display device.The display panel comprises a plurality of pixel circuits, each pixel circuit comprises a plurality of transistors, the display panel further comprises a substrate, a first organic layer and a first metal layer, the first organic layer is arranged on one side of the substrate, and the first metal layer is arranged on the side, away from the substrate, of the first organic layer; the first metal layer comprises a first conductor part, and the first conductor part is overlapped with the orthographic projection of at least one transistor in the pixel circuit on the substrate. Wherein the first conductor part comprises a first opening, and the orthographic projection of the first opening on the substrate is at least partially overlapped with the orthographic projection of the first organic layer on the substrate. According to the display panel, the first opening is additionally formed in the first conductor part, so that water vapor and the like remaining in the first organic layer can be released through the first opening, the risks of film layer bulging and first conductor part falling caused by sealing of the water vapor are improved, and the preparation yield and the use reliability of the display panel are improved.

The invention provides a method for realizing super-resolution optical microscopic imaging on the basis that an optical axis of an objective lens deviates from a primary optical axis of a microscope. The invention provides a method for realizing super-resolution imaging by using a conventional optical microscope without modifying or adding complex equipment. By finely adjusting the angle of the objective lens turntable, an included angle of 3-4 degrees is formed between the optical axis of the objective lens and the main optical axis of the microscope, and the opening diameter of the aperture diaphragm is reduced, so that the resolution of the microscope can be improved from about 300nm to 100nm. According to the method, the optical imaging condition of the microscope is reasonably optimized and utilized, and the method is particularly suitable for high-resolution, real-time and nondestructive observation of the periodic linear array nanostructure on the surface of the sample. The method is easy to operate and low in cost, the application range of a conventional optical microscope is expanded, and the method has good practical value and application prospects in the fields of material microstructure analysis, semiconductor chip detection and the like.

The invention discloses a light guide plate processing machine table and a light guide plate processing method. The light guide plate processing machine table comprises rollers, an upper clamping platform and a lower clamping platform. The roller has a plurality of teeth. The upper clamping platform is provided with a first rack side, the first rack side is provided with a plurality of first meshing grooves, and the first meshing grooves are meshed with gear teeth of the rolling wheels. The lower clamping platform is arranged on the opposite side of the upper clamping platform, the lower clamping platform and the upper clamping platform are in a clutch state, the lower clamping platform is provided with a second rack side, the second rack side is provided with a plurality of second meshing grooves, and the second meshing grooves correspond to the first meshing grooves and are meshed with the wheel teeth of the rolling wheel. According to the light guide plate processing machine table and the light guide plate processing method, the stress applied to the light guide plate sheet can be reduced, the situation of poor microstructure forming is greatly reduced, and the manufacturing yield of the light guide plate is increased.

The invention relates to the technical field of semiconductor devices, and particularly discloses a film bulk acoustic resonator and a preparation method thereof, and the film bulk acoustic resonator comprises a substrate, and a lower electrode, a piezoelectric layer, an upper electrode and a passivation layer which are stacked on the substrate; the overlapped part of the projections of the lower electrode, the piezoelectric layer and the upper electrode on the substrate is an active area; a compensation layer is further formed on the piezoelectric layer, a hollow groove is formed in the compensation layer, and the hollow groove is formed along the projection edge of the active area, so that the passivation layer collapses at the position covering the hollow groove to form a groove. Through the hollow design of the compensation layer, a groove is naturally formed in the surface of the passivation layer above the compensation layer, and the manufacturing yield is effectively improved.

A radiator capable of rapidly dissipating heat, a shell unit with the radiator, and a casting mold for manufacturing the radiator. The radiator comprises a radiator plate body, a partition plate protruding upward is arranged on the radiator plate body, the partition plate can divide the space above the radiator plate body into a zigzag refrigerant flow channel, a plurality of heat dissipation columns arranged at intervals are arranged on the wall area of ​​the radiator plate body corresponding to the refrigerant flow channel, and the heat dissipation columns are protruding upward; a heat dissipation fin protruding upward is also arranged on the wall area of ​​the radiator plate body corresponding to the refrigerant flow channel, the heat dissipation fin is arranged along the extension direction of the flow channel section of the refrigerant flow channel where the heat dissipation fin is located, the heat dissipation fin at least connects the roots of some adjacently arranged heat dissipation columns in front and behind, the height of the heat dissipation fin is less than the height of the heat dissipation column connected thereto, and the heat dissipation fin, the heat dissipation column and the radiator plate body are an integrated structure.

The present invention discloses a single-layer photovoltaic encapsulation adhesive film and a preparation method thereof. The present invention adopts a solution grafting method to graft an anti-potential induced degradation monomer into a polyolefin elastomer molecular chain. Compared with the direct physical mixing of the anti-potential induced degradation monomer with granules, the functional polyolefin elastomer prepared by the method of the present invention can increase its polarity, have better compatibility with additives, reduce the precipitation of additives to the film surface, reduce the slippage of the film, have better long-term storage performance, and ensure that the component has better anti-PID performance.

The invention discloses a wafer cutting protection liquid as well as a preparation method, a use method and application thereof, and the wafer cutting protection liquid comprises the following components in parts by mass: 10-40 parts of water-soluble resin, 40-70 parts of ultrapure water and 5-15 parts of an organic solvent, the water-soluble resin has a side chain for ion exchange, and the side chain is composed of a functional group containing negative charges and first metal ions; the functional group can react with the second metal ion, so that the first metal ion in the side chain is replaced by the second metal ion, and the water-soluble resin is changed into a water-insoluble state from a water-soluble state after replacement. The cutting protective liquid can form a protective coating which is insoluble in water and high in adhesive force on the surface of a wafer, pollution caused by falling of particles generated during wafer cutting and particles in the environment on the surface of the wafer can be avoided, and the preparation yield of the wafer is increased.

The utility model provides battery piece gluing equipment. The battery piece gluing equipment comprises a visual positioning device, a gluing device and a transmission device, the visual positioning device is correspondingly provided with a visual positioning station, and the visual positioning device is configured to obtain graphic parameters of the battery piece on the visual positioning station; the gluing device is located at the downstream of the visual device, the gluing device is correspondingly provided with a gluing station, and in the working state, the gluing device is configured to conduct gluing treatment on the battery piece according to the obtained pattern parameters of the battery piece; and the transmission device is configured to transmit the battery piece from the visual positioning station to the gluing station. The battery piece gluing equipment not only can be used for directly gluing a conventional battery piece, but also can be used for fitting a special-shaped side edge of a special-shaped battery piece, and position compensation is carried out when the special-shaped side edge is glued according to a fitting result, so that a glue solution can be completely coated on the side surface of the battery piece, and the gluing efficiency of the battery piece is improved. The preparation yield of the battery piece is improved, and the stability and continuity of gluing treatment of the battery piece are improved.

The invention provides a chip test data analysis method. The chip test data analysis method comprises the following steps: 1, firstly, collecting test data by adopting a data collection module, and then dividing the data into single-table data and multi-table data through a single-table data processing module and a multi-table data processing module, in the process, the data processed by the single-table data processing module is judged through a judgment module; and 2, if the data is qualified, forming a data table and displaying the data table through a single table data display module, and if the data is unqualified, processing the data table through a failure data processing module. According to the chip test data analysis method provided by the invention, the test data of different test systems can be quickly and automatically arranged and analyzed through the method. And data arrangement can be completed conveniently and quickly in a time-saving and labor-saving Parameter differences of chips of different batches can be found through data arrangement and analysis and are fed back to a design end to effectively analyze a failure mode, design is improved, and the manufacturing yield is increased.

The invention discloses an iron-modified molybdenum disulfide-based piezoelectric catalytic material and a preparation method and application thereof.The preparation method comprises the following steps that ammonium molybdate and thiourea are mixed with water in proportion, and then a mixed solution is subjected to a hydrothermal reaction; drying the solution after the hydrothermal reaction to obtain molybdenum disulfide; molybdenum disulfide and a ferric iron salt solution are mixed and stirred, and then a reducing agent is added for reduction; and collecting and drying the reduced solution to obtain the iron-modified molybdenum disulfide-based piezoelectric catalytic material. A piezoelectric catalysis system of molybdenum disulfide can be more effectively utilized to generate hydrogen peroxide in situ, and Fenton-like reaction is carried out, so that pollutants are better removed.

The invention discloses a touch panel and a display device. The touch panel comprises a substrate; the touch layer is arranged on one side of the substrate, and the touch layer comprises a first electrode block and a second electrode block which are arranged on the same layer and insulated from each other; wherein each first electrode block comprises a first sub-part extending in the first direction and second sub-parts extending in the second direction, and in the second direction, the two sides of each first sub-part are connected with at least two second sub-parts arranged in the first direction at intervals correspondingly; the second electrode blocks are arranged in the first sub-parts and in the area defined by the two adjacent second sub-parts in the first direction, and the first direction intersects with the second direction. The first electrode blocks and the second electrode blocks are arranged on the same layer, other conducting layers do not need to be arranged, the thickness of the touch panel is effectively reduced, open circuit caused by double-layer metal wire changing through holes in the prior art and micro open circuit difficult to detect are avoided, the electrical performance of the touch panel is effectively guaranteed, and the use performance of the touch panel is improved.

The utility model relates to the technical field of terminal manufacturing, in particular to a mold for producing a square terminal. Comprising an upper die and a lower die, two rows of supporting columns are transversely arranged in the middle of the lower die, and a stamping channel for a workpiece to pass through is formed between the two rows of supporting columns; the stamping channel is provided with a pretreatment area, a pre-bending area, a bending area, a bending edge covering area, a side pushing attaching area and a shaping area. According to the die, after the two ends of a square terminal are bent, the square terminal continues to pass through the side pushing attaching area and the shaping area; the two connecting ends of the square terminal are further shaped and shaped; after the terminals are enclosed into the square structure, the connecting ends are permanently and firmly abutted against each other. Therefore, the manufacturing yield of the square terminal is improved.

A method of forming a semiconductor memory structure includes forming a bottom electrode layer over an active region, depositing a first high dielectric constant dielectric material over the bottom electrode layer, depositing a second high dielectric constant dielectric material over the first high dielectric constant dielectric material, and forming a second high dielectric constant dielectric material over the second high dielectric constant dielectric material. Performing an annealing process on the first high-dielectric-constant dielectric material and the second high-dielectric-constant dielectric material, and after the annealing process, depositing a third high-dielectric-constant dielectric material on the second high-dielectric-constant dielectric material; and forming a top electrode layer on the third high dielectric constant dielectric material.

The utility model aims to disclose a high-stability miniature cylindrical needle tip forming device which comprises a device base, a cathode reactor, a clamp, a movable sliding table assembly, a driving device and a power supply, the fixed end of the movable sliding table assembly is fixed to the device base through a fixed connecting piece, a driving device for driving the sliding end of the movable sliding table assembly to move up and down on the fixed end of the movable sliding table assembly in the vertical direction is fixed to the sliding end of the movable sliding table assembly, and the driving device is connected with a power source. The clamp is fixed to the lower surface of the sliding end of the movable sliding table assembly. The cathode reactor is arranged on the device base and corresponds to the clamp in the vertical direction. Compared with the prior art, accurate depth control in the forming process of the metal cylindrical needle tip is achieved, forming of the metal cylindrical needle tip has high stability, the curvature radius of the metal cylindrical needle tip has high precision, it is guaranteed that the forming repeatability of multiple times of preparation of the metal cylindrical needle tip is at a high level, reproducibility is good, and the preparation yield is high.

The invention discloses a clamp mechanism applied to FSW, which enables a radiator to be positioned accurately, reliably, quickly and efficiently, and ensures that the size of a welded finished product is accurate and reliable. The friction stir welding positioning device is suitable for positioning of friction stir welding of radiator products, and is characterized by comprising a mold frame, the mold frame comprises mold frame supporting feet and a mold frame panel, the mold frame supporting feet are fixedly arranged at the bottom of the mold frame panel, and a plurality of connecting mounting holes are distributed in the mold frame panel; the profiling supporting block is manufactured according to the bottom shape of the radiator product and is used for positioning the radiator product; each oil cylinder pressing and attaching assembly comprises an oil cylinder and an oil cylinder pressing and attaching rod; each air cylinder pressing and attaching assembly comprises an air cylinder and an air cylinder pressing and attaching rod. The output end of the electromagnetic valve control device is connected with each air cylinder through a pipeline; the output end of the electric control box is connected with each oil cylinder through a pipeline; and a profiling support block mounting frame body.

Provided in the present application are a determination method and apparatus for a superconducting impedance transformation parametric amplifier, a superconducting impedance transformation parametric amplifier, an electronic device, a computer program product and a computer-readable storage medium. The method comprises: based on a wavelength parameter, a gain parameter and a bandwidth parameter, calculating an impedance value of an impedance transformation line of a superconducting impedance transformation parametric amplifier and a capacitance value of the amplifier; based on the impedance value of the impedance transformation line, calculating a linewidth dimension of a coplanar waveguide of the superconducting impedance transformation parametric amplifier; based on the impedance value of the impedance transformation line and the capacitance value of the amplifier, calculating a stub dimension of the superconducting impedance transformation parametric amplifier; and based on the linewidth dimension and the stub dimension, determining structural parameters of the superconducting impedance transformation parametric amplifier.

The invention provides an IGBT (Insulated Gate Bipolar Translator) device and a manufacturing method thereof, the IGBT device comprises an N-type semiconductor layer and a plurality of grooves located in the N-type semiconductor layer, gate electrodes are arranged in the grooves, and the gate electrodes are insulated and isolated from the N-type semiconductor layer through gate dielectric layers; the P-type body region is located between the adjacent grooves, and an N-type emitter region is arranged in the P-type body region; the N-type carrier storage layer is positioned below the P-type body region and is positioned between the adjacent grooves; the bottom of each groove is provided with a P-type protection layer, and the P-type protection layer is located below the N-type carrier storage layer and surrounds the bottom of the groove. The IGBT device adopts the shallow trench, so that the on-state voltage drop can be reduced, and the process yield can be improved; the bottom of the groove is surrounded by the P-type protection layer, so that local charge balance can be formed, and voltage resistance is improved.

The invention provides a correction jig, a correction method, a rotating shaft cover plate and foldable electronic equipment. The correction jig is used for correcting the straightness of a long-strip-shaped part and is provided with a first groove, and the first groove extends in the first direction; in the second direction, the range of the difference value w1-w1'between the width w1 of the first groove and the width w1 'of the long-strip-shaped part is larger than or equal to 0.05 mm and smaller than or equal to 0.1 mm, and the first direction intersects with the second direction. The correction jig is simple in structure.

The invention relates to an optimization design method based on a DSP + FPGA architecture microsystem circuit, the optimization design method utilizes an innovative power supply simulation technology, optimizes the power supply integrity design, simplifies the design and manufacturing process of a microsystem, and comprises the following steps: determining a simulation target and requirement, establishing a power supply network model, setting simulation parameters and conditions, and establishing a power supply network model; and analyzing a simulation result and a problem, proposing an optimization design scheme, evaluating an optimization effect and summarizing. According to the optimization design method, the power supply integrity design is optimized through the innovative power supply simulation technology, and the external power supply voltage is effectively improved in the real installation design stage. The remarkable improvement lies in that the power supply and the signal can be ensured to stably meet various requirements of chip application without adding any redundant passive device on the ceramic tube shell. The method not only ensures the normal work of the microsystem, but also greatly simplifies the design and manufacturing process of the microsystem.

This invention discloses a method, system, storage medium, and electronic device for X-ray detector quality inspection. The method includes: acquiring an original brightness field image captured by an X-ray detector, and correcting the original brightness field image to obtain a corrected brightness field image; determining target parameters for the corrected brightness field image; if the target parameters exceed a corresponding threshold range, determining the corrected brightness field image as an abnormal image; otherwise, determining the corrected brightness field image as a normal image; if the corrected brightness field image is an abnormal image, determining the X-ray detector quality is abnormal; otherwise, determining the X-ray detector quality is normal. This invention monitors the production quality of X-ray detectors by detecting the quality of X-ray images captured by the X-ray detector, thereby helping to optimize the research and development of X-ray detectors and improve their manufacturing yield.

A display device is provided. The display device including a first pixel and a second pixel includes a light-emitting layer, a color conversion layer disposed on the light-emitting layer, and a color filter layer disposed on the color conversion layer, wherein the light-emitting layer includes a first light-emitting element disposed in the first pixel and a second light-emitting element disposed in the second pixel, wherein the color conversion layer includes a first color conversion layer disposed in the first pixel and a second color conversion layer disposed in the second pixel, the color filter layer includes a first color filter layer disposed in the first pixel and a second color filter layer disposed in the second pixel, the first light-emitting element and the second light-emitting element emit a first light, the center wavelength range of the first light is a first wavelength, the first color conversion layer and the second color conversion layer contain color conversion particles that convert the first light into a second light, the center wavelength range of the second light is a second wavelength longer than the first wavelength, the first color filter layer transmits the first light and blocks the transmission of the second light, and the second color filter layer transmits the second light and blocks the transmission of the first light.

A damping loudspeaker comprises a sound production unit, a magnetic loop assembly and a damping member. The damping pieces are symmetrically arranged between the sound production unit and the magnetic loop assembly, each damping piece is provided with a buckling and hooking part and an assembling and connecting part, the buckling and hooking parts are combined with the buckling and connecting parts of the loudspeaker base, and the assembling and connecting parts are combined with the magnetic loop assembly. Therefore, according to the shock absorption loudspeaker, the damping piece can be quickly and simply assembled between the sound production unit and the magnetic loop assembly so as to improve the manufacturing yield, buffering is formed between the sound production unit and the magnetic loop assembly through the damping piece, and the shock absorption and isolation effects are achieved when the shock absorption loudspeaker operates. Therefore, the discomfort of a user when using the electronic device is avoided.

In order to overcome the problems of high curing temperature and insufficient adhesion of the existing conductive silver paste, the present invention provides a conductive silver paste, including silver powder, solvent and low-temperature curing organic resin; the low-temperature curing organic resin includes the following components: component A: including trialkoxysilane units, dialkoxysilane units and functional siloxane units, and the functional siloxane units are selected from organic polysiloxanes with siloxane units and / or fluorinated siloxane units with adhesive groups; component B: block copolymers of one or more of amino resins, epoxy resins and acrylic resins. At the same time, the present invention also discloses a preparation method of the above conductive silver paste and a chip-type polymer laminated aluminum capacitor including the above conductive silver paste. The conductive silver paste provided by the present invention can improve the connection tightness between different capacitor monoliths, thereby reducing the equivalent series resistance and leakage current of the capacitor, and improving the preparation yield of the chip-type polymer laminated aluminum capacitor.