151results about How to "Improve transmittance" patented technology

The invention relates to the technical field of functional polymer composite materials, in particular to an intermediate film for laminated glass based on color generation of a photonic crystal structure and a preparation method of the intermediate film. The intermediate film comprises a thermoplastic resin matrix and a three-dimensional photonic crystal structure region dispersed in the thermoplastic resin matrix, wherein the three-dimensional photonic crystal structure region is formed by self-assembly of monodisperse microspheres, and the central wavelength of a photonic forbidden band of the region is located in a visible light range. According to the invention, a three-dimensional photonic crystal structure is constructed in the intermediate film, and structural color generation is generated by utilizing selective reflection of the photonic band gap effect on visible light with a specific wavelength. According to the laminated glass, the color is generated by interference of light instead of absorption of chemical pigments, so that the color can be continuously and regularly changed along with the change of an observation angle or an incident light angle, the dynamic and changing visual aesthetic feeling is given to the laminated glass, and the higher requirements of the fields of modern buildings, automobiles and the like on dynamic aesthetics and personalized appearance are met.

The invention provides a hollow-core-to-hollow or solid-core-to-hollow optical fiber connection jumper wire and a preparation method thereof. The jumper wire comprises a transmission fiber and connectors connected to the two ends of the transmission fiber. The transmission fiber is a hollow-core optical fiber, the connector comprises an optical fiber fixing device and an integrated welding structure fixed in the optical fiber fixing device, the integrated welding structure comprises a transmission fiber, a coating film and a transition fiber which are fixedly connected in sequence, the coating film performs anti-reflection on a set wavelength, the transition fiber is a solid-core optical fiber, and the outer side end of the transition fiber serves as the output end of the connector; and the output ends of different connectors are oppositely arranged so as to realize transmission connection between different jumpers. Pluggable, stable and reliable connection between the hollow-core optical fibers or between the hollow-core optical fibers and the solid-core optical fibers is achieved.

This invention provides an infrared thermal imaging method, relating to the field of infrared thermal imaging technology. The method utilizes a germanium infrared lens in an infrared thermal imaging system, whose surface is sequentially composed of subwavelength micro / nano structures and an anti-reflection film structure from the inside out. The infrared thermal imaging method includes: focusing target infrared radiation through the germanium infrared lens onto an infrared detection array; the infrared detection array converting the target infrared radiation into an electrical signal matrix; performing noise reduction and gain correction on the electrical signal matrix to obtain a preprocessed electrical signal matrix; performing temperature compensation on the preprocessed electrical signal matrix based on a temperature compensation formula and a transmittance temperature model to obtain a corrected signal matrix; and sequentially performing non-uniformity correction, image enhancement, and pseudo-color mapping on the corrected signal matrix before outputting and displaying the result. Using the method of this invention, higher transmittance, lower reflection loss, and more stable thermal imaging can be achieved.

The invention relates to a glass-based photoelectric volume pulse wave cover plate material as well as a preparation method and application thereof. The cover plate material comprises: a glass substrate; the annular structural part is embedded in the glass substrate; the annular structural member and the glass substrate are made of the same material; the glass substrate comprises the following components in percentage by mass: 0.1 wt%-0.2 wt% of BaO; 0.1 wt% to 0.6 wt% of PbO; 0.1 wt% to 0.7 wt% of Sb2O3; 25 wt%-61 wt% of SiO2; 16 wt% to 18 wt% of B2O3; 10 wt% to 15 wt% of Al2O3; 8 wt% to 12 wt% of R2O; wherein R2O is composed of Li2O, Na2O and K2O, and the content of K2O is smaller than that of Na2O. The technical problem to be solved is to provide the cover plate material with a large number of sensor optical channels, so that the cover plate material has high transmittance and high crosstalk resistance, a plurality of optical paths can be formed in the cover plate material, and the problems of scattering and the like in the light propagation process are reduced by selecting single glass with a specific formula, so that the light transmission efficiency is improved. The energy loss in the light ray propagation process is reduced, and the propagation distance of the light rays in the glass cover plate is increased; meanwhile, the glass cover plate also has higher mechanical strength.

The application relates to a mode filter, a topology optimization method and an ultrasonic guided wave damage imaging artifact suppression method, relates to the field of ultrasonic detection and imaging, and the topology optimization method comprises the following steps: acquiring initial design parameters, generating an initial population, each chromosome individual in the initial population is coded by a binary logic matrix representing material distribution and meeting design constraints; a population is optimized by using a genetic algorithm, an adaptability function in the genetic algorithm is constructed based on a mode purity index and an energy transmission index, the mode purity index is the ratio of in-plane displacement integral in a transmission area in finite element simulation with the mode filter to total displacement integral, and the energy transmission index is the ratio of relative energy at a transmission end in the finite element simulation with the mode filter to relative energy of an S0 mode; and final optimized material distribution of the mode filter is output. Compared with the prior art, the application has the advantages of effectively suppressing background artifacts, giving consideration to mode regulation performance and substrate structure integrity and the like.

The utility model discloses a display substrate and a display device. The display substrate comprises a substrate; the driving layer is positioned on one side of the substrate and is provided with a plurality of conductive bonding pads; the light absorption layer is located on the side, away from the substrate, of the driving layer, the orthographic projection of the light absorption layer on the substrate and the orthographic projection of the driving layer on the substrate are overlapped, the light absorption layer is provided with a plurality of first via holes corresponding to the plurality of conductive bonding pads, and the orthographic projection of the first via holes on the substrate and the orthographic projection of the corresponding conductive bonding pads on the substrate are overlapped; the light-emitting units are located on the side, away from the substrate, of the light absorption layer and electrically connected with at least part of the conductive bonding pads through the first via holes; the display substrate further comprises a light transmitting layer and a base material layer which are located on the side, away from the substrate, of the light absorbing layer and sequentially arranged in a stacked mode, the light transmitting layer and the base material layer are continuously distributed film layers, and the light transmitting layer is located between the adjacent light emitting units and located on the side, away from the substrate, of the light emitting units. The display substrate has low reflectivity and high transmittance at the same time, and the application scene is wider.

The present application relates to a kind of automobile executor assembly equipment, for the loading of parts in succession, cover and welding operation of being carried out in executor shell;Including flow transfer table, is provided with parallel arrangement and transmission direction opposite automatic feeding line;Manual feeding line, the two ends of automatic feeding line and manual feeding line are connected by carrying line;Welding station, is provided with carousel transmission mechanism;Transfer manipulator, be between flow transfer table and welding station, for feeding to automatic feeding line, and the executor assembly of being assembled to manual feeding line is clamped and transported to welding station and is welded work;Welding station is provided with positioning device, positioning device includes the displacement scale group being arranged above welding station, and the jacking assembly being arranged below welding station, welding station is provided with the fixture plate capable of being driven to lift by jacking assembly, the fixture plate is provided with the positioning column corresponding with displacement scale group on;Fixture plate is lifted under the action of jacking assembly, makes displacement scale group and positioning column contact positioning.

This invention relates to the field of semiconductor material testing technology, specifically a single-crystal silicon wafer slip line detection system and method, comprising: a light source module emitting light signals of different wavelengths and polarization angles to scan the silicon wafer; a silicon wafer scanning module mounting the silicon wafer under test, adjusting the position of the silicon wafer under test, and executing a scanning trajectory to scan the silicon wafer with light signals; a signal acquisition and processing module receiving the light signals transmitted through the silicon wafer under test, performing preprocessing to obtain DU values ​​at different wavelengths and polarization angles, and sending them to an industrial control computer; the industrial control computer reconstructing the strain field based on the DU values ​​using a strain field reconstruction algorithm to generate a strain field distribution map; and identifying slip lines based on the strain field distribution map using a convolutional neural network model. This solution enables non-contact, non-destructive, and high-resolution slip line detection, thereby improving detection accuracy and efficiency.

This invention relates to the field of optical imaging technology, specifically providing an optical radar co-aperture off-axis imaging system, comprising: an off-axis mirror assembly, a frequency-splitting device, a radar transceiver system, and an optical imaging system. The frequency-splitting device is disposed in the rear optical path of the secondary mirror and is used to reflect light waves and transmit microwaves. The frequency-splitting device includes a frequency-selective surface, which comprises an FSS pattern layer and a bias line layer. The FSS pattern layer includes periodically arranged FSS units. Nonlinear capacitors are electrically connected to the FSS units. The bias line layer applies a voltage to the nonlinear capacitors according to the received microwave band. By changing the voltage applied to the nonlinear capacitors, the resonant frequency of the FSS units is tuned, thereby changing the microwave passband frequency of the frequency-splitting device. This invention not only achieves a reflective wave-transmitting microwave design but also solves the problem that transmitting only a single band of microwaves in microwave-transmitting and light-reflecting methods is difficult to adapt to different task requirements.

The application discloses a kind of copper sulfate electroplating solution preparation device and method for chip packaging, it is related to chip packaging technical field, and its technical solution points are as follows: including copper sulfate pentahydrate storage tank, negative pressure feeder, feed volume bin, electronic scale, copper sulfate solution preparation tank, preparation pump one, micropore filter one, resin barrel, electroplating solution preparation tank, spiral spray head, preparation pump two, heat exchanger, micropore filter two;Copper sulfate pentahydrate storage tank is connected by negative pressure feeder, feed volume bin, electronic scale and copper sulfate solution preparation tank;Copper sulfate solution preparation tank is communicated with electroplating solution preparation tank by micropore filter one and resin barrel, and copper sulfate solution is added into electroplating solution preparation tank by preparation pump one after preparation in copper sulfate solution preparation tank;Electroplating solution preparation tank and preparation pump two, heat exchanger form circulating system, and micropore filter two is used to fill electroplating solution.The whole preparation device of the application adopts automatic instrument and logic control, and full-process can realize automatic and intelligent operation.

The application provides a method for measuring a pattern signal of enhanced overlay precision, and the method comprises the following steps: providing a semiconductor structure, the semiconductor structure is formed with a front metal layer, and the front metal layer is formed with a front overlay mark; forming a high light absorption material layer above the front metal layer, and part of the high light absorption material layer is a grating structure; forming a via layer on the surface of the high light absorption material layer, and the via layer is formed with a via overlay mark, the alignment degree of the via overlay mark and the front overlay mark is used to determine the overlay precision between the via layer and the front metal layer; and the projection of the grating structure and the front overlay mark in the vertical direction has an overlapping area. The application solves the problem that the optical measurement signal of the front overlay mark is weak due to the existence of the high light absorption material, and the measurement of the overlay precision is seriously affected.

The invention relates to a photocuring composition, a hardened film and a preparation method and application of the hardened film. The photocuring composition comprises the following components: a urethane acrylate oligomer, an acrylate monomer, a reactive ultraviolet absorbent and a photoinitiator. A reactive ultraviolet absorbent is introduced into the hardened film, and is chemically bonded in a hardened layer polymer network through a UV photocuring technology, so that the problem of migration and precipitation of the ultraviolet absorbent is fundamentally solved.

The invention belongs to the field of composite membranes, and particularly relates to a waterproof breathable membrane based on a micropore-nanofiber composite structure and a preparation method of the waterproof breathable membrane. Comprising the following steps: preparing an ePTFE microporous membrane by adopting a thermally induced phase separation method or a two-way stretching method, and carrying out corona treatment on the ePTFE microporous membrane; dissolving a fiber-forming polymer in an organic solvent to form a uniform spinning solution; the ePTFE microporous membrane obtained after corona treatment is fixed to a receiving roller; carrying out electrostatic spinning by adopting a multi-jet nozzle to obtain a nanofiber / base membrane composite blank; meanwhile, an N, N-dimethylformamide steam treatment cabin is arranged behind the receiving roller, then continuous interface fusion and reinforcement treatment is immediately carried out on the just deposited nanofiber / base membrane composite blank through a hot pressing roller, and the composite membrane is obtained; and drying and rolling the composite film to obtain the waterproof breathable film with the micropore-nanofiber composite structure. The breathable film provided by the invention realizes extremely high hydrostatic pressure and excellent water vapor permeability, and also has good mechanical strength and durability.

The utility model discloses a LCD projection structure with aspheric reflector, which comprises an LCD screen, a Fresnel lens, a projection lens and an aspheric reflector. The LCD screen is arranged on the front side of the Fresnel lens, the projection lens is arranged on the back side of the Fresnel lens, and the aspheric reflector is arranged between the Fresnel lens and the projection lens or on the back side of the projection lens. The aspheric reflector is arranged between the Fresnel lens and the projection lens or on the back side of the projection lens. The structure design utilizes the reflection characteristics of the aspheric reflector to change the propagation path of light, provides sufficient optimization freedom for the projection lens, and makes the projection lens not need to spend energy to deal with the optical correction problem. Therefore, all optimization resources can be concentrated on the improvement of picture quality and depth of field, so as to improve the quality of the projection picture.

Disclosed is a liquid crystal display panel and a liquid crystal display device. The liquid crystal display panel includes a plurality of pixels. Each pixel includes a pixel electrode, a common electrode, and a liquid crystal that rotates in a plane due to a voltage applied by the pixel electrode and the common electrode. The pixel electrode includes a linear electrode. When an initial alignment direction of a liquid crystal whose dielectric anisotropy is positive or a direction perpendicular to an initial alignment direction of a liquid crystal whose dielectric anisotropy is negative is defined as a predetermined first direction, at a boundary between pixels adjacent to each other among the plurality of pixels, a boundary line between the adjacent pixels, the linear electrode, and an end edge of the linear electrode are inclined with respect to the predetermined first direction, and the inclination directions of the boundary line, the linear electrode, and the end edge with respect to the predetermined first direction are the same.

The invention relates to the technical field of high polymer materials, in particular to a weather-resistant high-transparency polyurethane coating, a coating as well as a preparation method and application of the weather-resistant high-transparency polyurethane coating. The invention provides a weather-resistant high-transparency polyurethane coating which comprises a component A and a component B. Specific raw materials are selected and the specific content of the raw materials is limited, so that the weather-resistant high-transparency polyurethane coating is obtained, and a coating layer formed by the coating has relatively high transmittance and relatively good weather resistance and has a relatively good protection effect on a base material.

The present application provides a liquid crystal composition and a liquid crystal display device thereof. The liquid crystal composition of the present application comprises at least one compound of general formula P, at least one compound of general formula B and at least one compound of general formula C. The liquid crystal composition of the present application has good optical anisotropy, comparable clearing point, good absolute value of dielectric anisotropy, high K value (K 11 , K 33 ), comparable rotational viscosity, short response time, high transmittance, high contrast, long low-temperature storage time and large absolute value of Flicker, so that the liquid crystal display device comprising the same has good contrast, wide temperature range of use, good transmittance and less flicker and good screen display effect.

The application discloses a method for optimizing a polarization aberration of an optical system based on a multi-group film system cooperative optimization strategy, belongs to the technical field of optical system aberration optimization, and aims at solving the problems in the prior art.The method comprises the following steps: 1, a three-dimensional polarization light tracing algorithm is used to analyze polarization information on a light path and to calculate a polarization aberration function of the optical system; 2, an evaluation function of the polarization aberration of the optical system is constructed, and the optimization effect of the polarization aberration is evaluated according to the evaluation function value; 3, an optimization mechanism of the polarization aberration of the optical system is constructed based on a genetic algorithm and a particle swarm algorithm, thickness parameters of a film system are selected as optimization variables, and each group of feasible solutions is regarded as a new individual; 4, a cooperative optimization strategy is established based on the optimization mechanism of step 3, and the film system structure on multiple optical surfaces is cooperatively optimized; 5, the new individual is evaluated according to constraint conditions and the evaluation function, and the best film system structure is selected; and 6, after the evaluation of the new individual is completed, a termination condition is judged, and the polarization aberration and the transmittance value of the optical system are calculated.

The invention relates to a multi-band multi-window collaborative partitioned heat dissipation photoelectric device packaging structure, and belongs to the technical field of photoelectric device packaging. The structure comprises a partition heat dissipation substrate assembly, a sub-band multi-window cover plate assembly and a tube shell. The partition heat dissipation substrate assembly comprises a circuit board, a heat dissipation module and a photoelectric detection chip. The circuit board is divided into N independent areas, and each area is provided with a photoelectric detection chip mounting groove; independent heat dissipation modules are mounted at the bottoms of the independent areas respectively; the sub-band multi-window cover plate assembly comprises a cover plate and a sub-band light window element; the cover plate is provided with N light window hole sites corresponding to the mounting positions of the photoelectric detection chips; the sub-band light window element is used for transmitting light of different bands; the sub-band multi-window cover plate assembly and the tube shell are fixed to form a sealed cavity, and the sub-band heat dissipation substrate assembly is arranged in the cavity. According to the invention, high light transmission, partitioned uniform heat dissipation, high air tightness and accurate light path alignment of the multiband photoelectric device are realized, and the working stability of the multiband photoelectric device in a complex environment is improved.

This invention discloses a reflective film for automotive applications and a display structure for eliminating ghosting, belonging to the field of automotive displays. It includes a first liquid crystal layer and a second liquid crystal layer. The first liquid crystal layer has a direction pointing in the same direction and a thickness of 1 / 4 waveplate. The second liquid crystal layer is a reflective layer with a spiral structure in the longitudinal direction. The first liquid crystal layer is bonded to the windshield. The reflective film reflects the light beam generated by the display device incident at Brewster's angle inside the vehicle, reducing the energy of the beam that causes ghosting and eliminating it. For natural light from outside the vehicle, it only reflects P-polarized light with a wavelength close to that of the display device, while allowing other wavelengths and polarization directions of natural light to pass through, giving the automotive reflective film both high reflectivity and high transmittance.

The invention relates to the photovoltaic field, and provides a back contact battery and a manufacturing method thereof, a laminated battery and a photovoltaic module, and the back contact battery comprises a battery substrate which is provided with a first surface and a second surface which are opposite to each other; the isolating membrane is positioned on the first surface; the isolating membrane comprises at least two isolating units, the surface, far away from the first surface, of each isolating unit comprises a first area and a second area surrounding the first area, each isolating unit comprises a first part located in the first area and a second part located in the second area, the first part is provided with a groove sunken towards the battery substrate, and the edge, far away from the first part, of the second part is fluctuant; and an electrode on the second surface. The invention is at least beneficial to improving the light absorption and utilization rate of the back contact cell by means of the isolating membrane.

The invention relates to the technical field of optical films, and discloses a preparation method of a high-transmittance and high-fog coating with a microstructure on the surface, and the preparation method comprises the following steps: uniformly mixing a low-surface-energy initiator, a monofunctional acrylate monomer, a polyfunctional acrylate monomer, an acrylate prepolymer and a micromolecular initiator in an organic solvent to obtain light-cured glue; coating the light-cured glue on the surface of a light-transmitting base material, and drying to obtain a coated wet film; and the coating wet film is subjected to ultraviolet irradiation curing, and the high-transmittance and high-fog coating with the microstructure on the surface is obtained. The preparation method has the advantages that the raw materials are simple and easy to obtain, the composition is uniform, processing is convenient, and the equipment requirement is low, the prepared surface wrinkle coating film has high transmittance, high haze and good uniformity, and the surface wrinkle morphology and roughness can be controlled through processing process parameters such as heating time and illumination time.

The utility model discloses a kind of solar water heaters of efficient heating, including inclined strut frame, vacuum tube, water inlet pipe, water outlet pipe, U-shaped tube, encapsulation jar, circulating pump, patch temperature sensor and heat-insulated water tank;Encapsulation jar is equipped with multiple pipe interfaces along its length direction, one end of vacuum tube is inserted into pipe interface, other end is connected with the bottom of inclined strut frame, the outer wall of vacuum tube is coated with light-transmitting coating, inner wall is coated with titanium nitride coating, U-shaped tube is attached in the inner wall of vacuum tube, U-shaped tube has water inlet and water outlet.The utility model is attached with U-shaped tube in the inner wall of vacuum tube, cooperate with the light-transmitting coating of vacuum tube outer wall and the titanium nitride coating of inner wall, can enhance photo-thermal conversion efficiency, reduce heat loss, effectively improve the heating efficiency of water flow;Water outlet pipe is equipped with patch temperature sensor, and is electrically connected with circulating pump, can automatically start circulating pump when water temperature reaches set value, to deliver hot water to heat-insulated water tank, effectively improve the utilization efficiency of heat energy.

The application discloses a high-transmittance and high-uniformity geometric phase grating element prepared by using femtosecond pulse near-field normalization, a method and application thereof, and belongs to the technical field of laser processing. The application utilizes the principle of femtosecond laser pulse near-field normalization to perform uniform processing in fused quartz, induces a new type of high-transmittance and high-uniformity birefringence structure, controls the change of the slow axis direction, thereby preparing a high-efficiency geometric phase grating with adjustable period, and realizes edge detection by using the light splitting characteristics of the geometric phase grating. The application is applied to optical image edge detection by using an innovative processing technology, solves the limitations of a traditional birefringence structure in transmittance and uniformity, and provides a solution with better performance and lower cost for the field of optical image edge detection.

The invention relates to a mode filter, a topological optimization method and an ultrasonic guided wave damage imaging artifact suppression method, and relates to the field of ultrasonic detection and imagines.The topological optimization method comprises the steps that initial design parameters are obtained, and an initial population is generated; each chromosome individual in the initial population is formed by coding a binary logic matrix which represents material distribution and meets design constraints; a genetic algorithm is adopted for population optimization, a fitness function in the genetic algorithm is constructed based on a mode purity index and an energy transmission index, and the mode purity index is a ratio of a transmission region in-plane displacement integral to a total displacement integral under finite element simulation added with a mode filter; the energy transmission index is a ratio of relative energy of a transmission end under finite element simulation added with a mode filter to relative energy of an S0 mode; and outputting the final optimized material distribution of the mode filter. Compared with the prior art, the method has the advantages that background artifacts are effectively inhibited, and the mode regulation and control performance and the matrix structure integrity are both considered.

The application relates to the photovoltaic field, and provides a photovoltaic module, a preparation method thereof and a photovoltaic device, which can at least improve the aesthetic degree and performance of the photovoltaic module. The photovoltaic module comprises a plurality of cell strings, a first cover plate, a second cover plate and a first adhesive film. The cell string comprises a plurality of cell pieces, and a first spacing area is arranged between adjacent cell strings; the first cover plate and the second cover plate are arranged on opposite sides of the plurality of cell strings; at least part of the first adhesive film is arranged between the second cover plate and the cell string; the first adhesive film comprises a first part and a second part; at least part of the first part overlaps with the first spacing area; at least part of the cell pieces is arranged on the second part; the first part is black; and the second part is white and / or transparent.

The utility model discloses a thin film with a micro-pyramid structure, which comprises a roller, and a dewatering component, a self-cleaning component, a wear-resistant component and a protective component are mounted on the roller. According to the utility model, the surface of the thin film has excellent waterproof and moistureproof capabilities through the installation of the hydrophobic component, the mutual cooperation of the three hydrophobic layers and the coating of the hydrophobic covering film, and the thin film can be widely applied to the field with higher waterproof requirements, so that the service life of a material is prolonged, and internal articles are protected from being damaged by water; by installing the self-cleaning assembly, the wear-resistant assembly and the protection assembly, the transmittance and utilization rate of light are improved to a certain extent, the surface can be automatically kept clean, the manual cleaning cost is reduced, the use efficiency of equipment is improved, on the other hand, external friction and scraping can be effectively resisted, the internal structure of the film is protected against damage, and the service life of the equipment is prolonged. The base cloth is formed by arranging a plurality of micro-pyramid structures, so that the strength and the stability of the film are improved.

The utility model discloses a kind of coating equipment, the coating equipment is used to form buffer layer on the electron transport layer of perovskite solar cell, the coating equipment includes: ALD device, with ALD reaction cavity, when the perovskite solar cell passes through the ALD reaction cavity along X axis direction, the ALD device forms first buffer layer on the electron transport layer along Y axis positive direction;RPD device, with RPD reaction cavity, when the perovskite solar cell passes through the RPD reaction cavity along X axis direction, the RPD device forms second buffer layer on the electron transport layer along Y axis reverse direction;Turnover device, between the ALD device and the RPD device, when the perovskite solar cell passes through the turnover device, the turnover device overturns 180 degrees the perovskite solar cell.The coating equipment of the utility model can realize the preparation of buffer layer of low damage, high transmittance, low square resistance and high carrier mobility.

An optical element includes: a substrate; a microstructure portion including a plurality of convex bodies, provided on a main surface of the substrate; a top layer provided on a top portion of the microstructure portion; and a bottom layer provided on a bottom portion of the microstructure portion, separated from the top layer. The shape of each of the plurality of convex bodies has a columnar shape or a frustum shape or a combination thereof. The top layer and the bottom layer include, as a main component, a material different from that of the plurality of convex bodies. The thickness of the top layer is different from the thickness of the bottom layer.

This application relates to the field of oxide target technology, specifically disclosing an ITZO target and its preparation method. The preparation method of the ITZO target includes the following steps: applying an In-containing... 3+ Sn 4+ Zn 2+ A complexing agent is added to the solution to obtain a mixed solution; the mixed solution is then added dropwise to an ammonia solution and aged to obtain a precursor precipitate; the precursor precipitate is then subjected to spray pyrolysis, cold isostatic pressing, and warm isostatic pressing to obtain an ITZO preform; the ITZO preform is then subjected to programmed temperature calcination and programmed temperature cooling to obtain an ITZO target. This application obtains a uniformly composed and highly dense ITZO target by dynamically controlling the composition of the mixed gas during the programmed temperature cooling process through two static pressing treatments; using this target, a transparent conductive film with high visible light transmittance and excellent electrical properties can be prepared by sputtering, solving the technical problems of uneven composition, low density, and poor quality of sputtered films in existing targets.