217 results about "Laser assisted" patented technology

The present invention relates to an ultra-thin light-emitting diode (LED) electrode assembly, a manufacturing method of the ultra-thin LED electrode assembly, and a transfer film of an ultra-thin LED used for manufacturing the ultra-thin LED electrode assembly and relates to an ultra-thin LED electrode assembly in which a plurality of LED elements are simultaneously transferred using a laser-assisted multi-chip transfer printing method to form and pattern the LED elements, thereby preventing process defects caused by omission of the LED elements during transfer and deviation thereof from an electrode line, and defects such as dark spots caused in an LED display, a manufacturing method of the ultra-thin LED electrode assembly, and a transfer film of an ultra-thin LED used for manufacturing the ultra-thin LED electrode assembly.

Method for creating an electrode on a substrate using a laser assisted deposition process. A metal paste is printed and dried on the substrate to form a conductive layer, and by 2D or 3D inspection, the dimensions of the conductive layer are measured. The substrate is subject to a pretreatment process so as to increase adhesion and / or conduction of the conductive layer to the substrate. An electrode that is produced according to the present method may be used in flexible devices.

The invention discloses a low-loss preparation method of a single crystal diamond wafer. The low-loss preparation method comprises the following steps: A, carrying out laser ablation on the surface of a single crystal diamond crystal ingot; b, performing laser-assisted polishing on the surface; c, the ultrafast pulse laser is modulated into N modified light spots, all the modified light spots are made to scan at the corresponding depth positions according to a preset path at the same time, and a scanning face formed by the same modified light spot covers the cross section of the single crystal diamond crystal ingot in the 100 crystal face direction, n laser modified layers distributed in the direction perpendicular to the 100 crystal face in the single crystal diamond crystal ingot are formed after scanning; d, performing stress-induced separation on the monocrystal diamond crystal ingot; e, performing laser ablation on the cutting surface of the single crystal diamond wafer; and F, the cutting face is subjected to laser-assisted polishing. According to the low-loss preparation method of the single-crystal diamond wafer, the material loss of the single-crystal diamond crystal ingot can be reduced, and the wafer yield of the single-crystal diamond crystal ingot can be increased.

The invention relates to the technical field of steelmaking roller way overhaul construction in the metallurgical industry, in particular to a laser-assisted positioning method for bolt installation. Comprising the following steps that connection between a roller way and a driving motor and a dry oil pipe are removed, and the roller way is hoisted to a storage site; bolts and slurry piers on the roller bed foundation are cleaned, and all the bolts are ensured to be intervisible; and the laser locator Z prints an elevation line parallel to the plane of the roller bed foundation, the elevations of all the bolts are measured, and the unified installation elevation of the bolts is determined by taking the mode of the measured values and combining the original design drawing and the elevations of the front and rear sections of foundations and considering the foundation settlement and the running stability of the steel billets. According to the method, the longitudinal datum line, the transverse datum line and the elevation datum line are established through the laser locator X, the laser locator Y and the laser locator Z respectively, a three-dimensional space positioning network is formed, it is ensured that the bolts are accurately aligned in the horizontal position, the perpendicularity and the height direction, and personal errors and position deviation caused by a traditional lofting method are remarkably reduced.

The invention discloses equipment and a method for laser auxiliary heating, magnetic control arc combination and static magnetic field coupling, and relates to the technical field of refractory and high-melting-point metal and metal-based composite materials. The problems of difficulty in melting and non-uniform components in the prior art are solved. The equipment comprises a vacuum melting furnace, a split water-cooled crucible, a laser auxiliary heating device, an electric arc generating device, a magnetic control device, a static magnetic field generating device and a central control cabinet. The method comprises the steps of charging and vacuumizing, laser preheating, starting arc and double-magnetic-field coupling smelting, and coordinately regulating and controlling multiple parameters through a control cabinet so as to realize accurate control on flowing and solidification structures of a molten pool. Through multi-energy field time sequence coupling and space cooperation of laser, magnetic control electric arc and static magnetic field, active intervention on the molten pool dynamics and solidification process is achieved, component homogenization is promoted, the solidification structure is refined, and the method is used for preparing high-temperature alloy and refractory and active metal material cast ingots with uniform components and excellent structure performance.

The invention relates to conductive paste and a preparation method thereof, a solar cell and a preparation method thereof, and a photovoltaic module. The conductive paste comprises 82%-88% of metal powder, 1%-5% of glass powder, 8%-15% of an organic carrier, 0.5%-3% of a wave-absorbing material and 0.1%-1% of a polymer pore-forming agent, and the wave-absorbing material can absorb laser and release heat. During laser-assisted sintering treatment, the wave-absorbing material can efficiently absorb laser energy and instantly release heat, so that the surrounding polymer pore-forming agent is quickly gasified. After the polymer pore-forming agent is gasified, a cavity structure is formed in the conductive slurry, a multi-reflection cavity of light is formed, laser which is subsequently transmitted in is reflected for multiple times in the cavity, a light path is prolonged, and the absorption rate of laser energy is greatly improved. Due to the high absorptivity of the laser, the laser power required by good ohmic contact is formed, the energy consumption is reduced, and the damage to the surface of the battery is reduced.

The invention relates to a method and a device for regulating and controlling the structure performance of a nickel-based high-temperature alloy in pulse laser-assisted additive manufacturing, and belongs to the technical field of additive manufacturing. The method comprises the following steps: controlling the oxygen content in a sealed forming cabin of an LPBF forming device, and paving nickel-based high-temperature alloy powder on a substrate of the sealed forming cabin; and the pulse laser and the continuous laser are controlled to output laser beams, the pulse laser beams and the continuous laser beams are coupled in a polarization beam combination or wavelength beam combination mode, and after the focal length of the coupled laser beams is adjusted, the nickel-based superalloy powder on the substrate is subjected to fusion forming. According to the method, the pulse laser and the continuous laser are coupled into the coaxial light spots, in-situ synchronous disturbance on the molten pool in the LPBF additive manufacturing process is achieved, the solidification behavior of the nickel-based high-temperature alloy can be accurately regulated and controlled, epitaxial growth of columnar crystals is effectively broken, formation of fine isometric crystals is promoted, and the yield of the nickel-based high-temperature alloy is improved. And the anisotropy and cracking risk of the material can be reduced.

The application discloses a partitioned laser-assisted bonding system, comprising: a light source assembly for emitting light; at least one light guide, the light emitting end of which is arranged in a two-dimensional array, the light emitted by the light source assembly is incident to the light guide and is emitted from the light emitting end of the light guide after conduction; an optical assembly, the light emitted by the at least one light guide is incident to the optical assembly and is projected after passing through the optical assembly; and a light control assembly for controlling whether the light source assembly emits light to any light guide in the at least one light guide, so that the light source assembly emits light to a selected light guide; or the light control assembly is used for controlling whether any light guide in the at least one light guide emits light, so that the selected light guide emits light, the light spot formed by the light beam projected by the optical assembly is matched with a core particle to be bonded, and the arrangement shape of the light emitting end of the selected light guide is matched with the core particle to be bonded. The partitioned laser-assisted bonding system can more flexibly adjust the light spot corresponding to the projected light beam, and has higher flexibility and efficiency.

The invention discloses a preparation method of a hemispherical micro-pit array on a copper surface. The preparation method comprises the following steps: processing a round pit array on the surface of a copper substrate by adopting laser; and the obtained copper substrate is subjected to chemical etching, and the hemispherical micro-pit array is obtained. According to the preparation method of the copper surface hemispherical micro-pit array, laser-assisted chemical etching is adopted, fixed-point etching is achieved, no template is needed, the hemispherical micro-pit array with the large depth-diameter ratio can be prepared, operation is easy, cost is low, efficiency is high, forming quality is high, defects are small, and the preparation method is suitable for batch production.

The invention discloses a dry and wet film compounding process, and relates to the technical field of patterning etching processes, and the process comprises the following steps: carrying out chemical micro-etching treatment on the surface of a base material to form a nano-scale pore structure; laser is adopted to assist in slitting the dry film material to form narrow dry film sections, and plasma passivation treatment is carried out on the slitting edge; the method comprises the following steps of: preparing a narrow dry film section with a preset width, and subsequently or concurrently, uniformly coating a photosensitive oil film on the surface of a base material through a coating process so as to form a continuous wet film layer on the surface of the base material; the narrow dry film sections obtained by slitting are respectively attached to the opposite side parts of the wet film layer; and in the exposure process, accurate alignment of an exposure pattern and a predetermined etching area on the material is realized by identifying an alignment Mark point mark on the dry film. The method has the effect of conveniently and clearly displaying the Mark points on the wet film so as to realize accurate positioning.

This application relates to the field of solar cell technology, providing a solar cell and its manufacturing method, a tandem cell, and a photovoltaic module, which at least improves the benefit of laser-assisted sintering of sectional cells in terms of contact resistance. The manufacturing method includes: providing a solar cell, the solar cell including opposing first and second surfaces; forming a first grid on the first surface and a second grid on the second surface; irradiating the first surface of the solar cell with a first laser and applying a first voltage to the first and second grids; cutting the solar cell to divide it into at least two sectional cells, and passivating the cut surfaces of the sectional cells; irradiating at least a portion of the first surface of the sectional cells with a second laser and applying a second voltage to the first and second grids; wherein the energy density of the second laser is less than the energy density of the first laser, and / or the second voltage is less than the first voltage.

The invention relates to the technical field of laser-assisted milling machining, and discloses a modularized self-adaptive laser-assisted machining device and method.The modularized self-adaptive laser-assisted machining device comprises a data acquisition module used for acquiring the three-dimensional shape of a workpiece before machining and acquiring physical parameters of the workpiece in the machining process; the electromechanical execution module is used for controlling the laser to pass through the to-be-machined area in the machining process; the laser light path module is used for emitting laser in the machining process and adjusting physical parameters of the laser; the data processing module is electrically connected with the data acquisition module, the electromechanical execution module and the laser light path module, and the data processing module is used for processing data acquired by the data acquisition module and generating double-path control instruction streams in parallel in a single processing period; and the laser light path module is driven to adjust laser parameters and adjust an advancing strategy of the electromechanical execution module.

The invention relates to a laser-assisted heterogeneous bonding stripping method, a heterogeneous bonding structure and an optical element, and the method comprises the following steps: preparing an acceptor substrate and a donor substrate which is provided with a first surface and a second surface which are opposite to each other; bonding the to-be-bonded surface of the receptor substrate with the second surface; focusing laser on a preset stripping surface in the donor substrate from the first surface, and performing laser scanning so as to sequentially form a plurality of modified points on the preset stripping surface; after the laser scanning is completed, stripping the donor substrate along the preset stripping surface to obtain a heterogeneous bonding structure comprising an acceptor substrate and a donor film bonded on the acceptor substrate, and the residual donor substrate; the heterogeneous bonding structure is prepared by the laser-assisted heterogeneous bonding stripping method. The optical element comprises the heterogeneous bonding structure. The method provided by the invention has the effect of realizing high-efficiency, high-quality and low-cost manufacturing of a normal-temperature, high-efficiency and lossless heterogeneous bonding structure.

The application discloses a prefabricated wallboard punching device for building decoration, and relates to the technical field of prefabricated wallboard punching. The prefabricated wallboard punching device comprises a punching handheld piece, a horizontal correction piece is installed on the punching handheld piece, a laser auxiliary piece is installed on the horizontal correction piece, the laser auxiliary piece is used for staggering the reinforcing bar planting position, a drilling piece is installed on the punching handheld piece, a prompt piece is installed on the drilling piece, the prompt piece is used for prompting double-face drilling, a water spraying piece is installed on the punching handheld piece, and the water spraying piece is used for synchronously drilling and spraying water. The laser auxiliary piece is used for staggering the reinforcing bar planting position before drilling, and the drilling damage to the reinforcing bar can be further avoided. The prefabricated wallboard punching device can be conveniently adapted to different concrete wallboard thicknesses, can prompt the staff to drill on both sides, and can conveniently assist the staff in quickly positioning and avoiding the reinforcing bar planting position.

The invention discloses an underwater binocular camera calibration method based on laser assistance, and the method comprises the steps: firstly constructing an underwater stereoscopic vision binocular refraction-removing imaging model according to the Snell's law, and correcting an underwater imaging error; secondly, acquiring a camera internal reference matrix by using a Zhang Zhengyou calibration method; then, a laser range finder is used for projecting laser to the calibration plate to form a light spot, the center pixel coordinate of the light spot is extracted through a gray gravity center method, the three-dimensional coordinate of the light spot is calculated in combination with laser ranging data, and the initial value of an external parameter matrix of the binocular camera is solved; and finally, introducing a Bayesian optimization algorithm, and optimizing the constraint equation by taking minimization of a three-dimensional coordinate calculation error as a target so as to obtain an exact solution of an external parameter matrix of the camera. Through organic combination of a deep learning technology and binocular stereo vision, the parameter calibration precision of the underwater binocular stereo vision camera is improved, a reliable technical guarantee is provided for subsequent underwater concrete structure defect quantification, and the fine monitoring requirement in a complex water environment is met.

The invention belongs to the technical field of high-performance aluminum alloy surface functional coatings, and discloses an aluminum alloy composite wear-resistant coating and a preparation method thereof.The method comprises the steps that the surface of an aluminum alloy matrix is pretreated, so that the surface is clean and dry; through a laser-assisted cold spraying method, dry aluminum alloy powder is sprayed on the surface of the pretreated aluminum alloy matrix, and a laser-assisted cold spraying coating is formed on the surface of the aluminum alloy matrix; a laser-assisted cold spraying coating is polished, cleaned and dried, then micro-arc oxidation treatment is carried out, an Al2O3-based ceramic wear-resistant coating is formed on the surface layer of the laser-assisted cold spraying coating, then cleaning and drying are carried out, and the aluminum alloy composite wear-resistant coating is prepared on the surface of an aluminum alloy matrix. Through the synergistic effect of the two technologies of laser-assisted cold spraying and micro-arc oxidation, the surface friction performance of the aluminum alloy is remarkably improved, and the high requirements of the fields of mechanical manufacturing, aerospace and the like for the wear resistance of aluminum alloy components are met.

According to the various aspects, the present methods provide for the laser-assisted dicing of semiconductor workpieces that produce semiconductor devices with glass cores having semi-transparent edges.

This invention proposes a laser-assisted alignment device and method for a drilling machine with a single-line laser. The single-line laser-assisted alignment device includes a base, a magnet, a laser adjustment seat, and a single-line laser emitter. The laser adjustment seat houses the single-line laser emitter, and screws are located around its sides to adjust the emitter's orientation. The base includes a bushing and a branch. The bushing is fitted onto the root flange of the drilling machine's chuck, with the bushing's center hole diameter corresponding to the outer diameter of the root flange. The bushing has a radial branch, one end connected to the bushing and the other end connected to and fixed to the laser adjustment seat. The branch has slots for connecting and fixing the base to the drilling machine. The magnet is inserted into the slots of the branch to magnetically attach the base to the drilling machine. By adjusting the position of the laser projection line of the single-line laser emitter, the laser projection line is projected onto the rear vertical plate through the gap in the laser position adjustment auxiliary template, achieving workpiece alignment.

A laser-assisted positioning mechanism for spinning belongs to the technical field of mechanical processing. The mechanism aims to solve the problems of low precision and long calibration time in the traditional positioning method of multi-axis numerical control spinning equipment. It includes a sliding table module composed of a sliding table support and a sliding table body. The sliding table body is connected to the sliding table support through a linear guide rail. A servo motor drives the displacement of the sliding table body through a synchronous belt transmission mechanism, which includes a first synchronous wheel, a second synchronous wheel, and a closed-loop synchronous belt. The bottom of the sliding table body is fixed to the synchronous belt. A laser level is rigidly fixed to the side of the sliding table body through four symmetrical mounting holes and a mounting slot, projecting a laser reference line parallel to the axis of the spinning wheel. The bottom of the sliding table support is provided with a double fixed seat, which is rigidly connected to the processing platform through bolts. The mechanism realizes a displacement accuracy of 0.1 millimeters through closed-loop control of the servo motor, allowing the laser reference line to be dynamically adjusted along the axis of the spinning wheel.

The utility model provides a kind of laser-assisted transparent zone punching device, belong to medical instrument technical field.The device includes image acquisition module, analysis processing module, laser emission module, control guide module and laser guide module, image acquisition module is used to carry out image shooting to cell in culture dish, image acquisition module is connected with analysis processing module signal, laser emission module is set on control guide module, control guide module is used to control the emission angle and position of laser emission module, control guide module is connected with analysis processing module signal, laser emission module is irradiated on the cell of culture dish by laser guide module.The utility model embodiment provided a kind of laser-assisted transparent zone punching device, can solve the problem of lower accuracy and safety in prior art.

This invention relates to a welding temperature gradient control method and apparatus based on neutron source residual stress detection, belonging to the field of welding control technology. This technology establishes a correlation between laser power, beam size, scanning rate, metal type, and temperature by constructing a temperature field data acquisition module and a heating and cooling module for the welding process, and by using laser-assisted local heating and forced substrate cooling devices. It develops a temperature gradient control method to achieve online physical simulation of the temperature gradient between the welding zone and the substrate, solving the problem of mismatch between the welding cooling rate and the neutron data acquisition rate, and realizing in-situ online testing of the stress field near welding conditions.

The invention provides a multi-dimensional vibration platform with oppositely-arranged double-sandwich piezoelectric actuators and an excitation method of the multi-dimensional vibration platform, and belongs to the technical field of high-frequency vibration engineering and micro-nano machining.The vibration platform comprises a center platform, the two oppositely-arranged piezoelectric actuators, two end covers and two bolts, wherein the center platform is integrated with the tail end platform, the two flexible hinges and the two amplitude-change poles, and the center platform is slender and is in mirror symmetry about the longitudinal symmetry plane of the tail end platform. The piezoelectric actuator comprises a longitudinal vibration ceramic group, a bending vibration ceramic group around the Y axis and a bending vibration ceramic group around the Z axis, translation along the X / Y / Z axis and rotation around the Y / Z axis can be realized through in-phase or anti-phase excitation different combinations under the condition of not increasing extra driving channels, and five-degree-of-freedom high-frequency micro-vibration output can be achieved at most. The structure has high symmetry, low parasitic vibration, compact size and high integration, and is suitable for precise engineering scenes such as micro-nano processing, laser-assisted manufacturing, cell manipulation and active vibration suppression.

The application discloses a device and method for adjusting important parameters in real time in synchronous laser-assisted machining, which comprises a machining platform, a laser module, a numerical control machine tool module, an industrial computer, a moving device, a detection module, a connecting device and a pose adjustment module. In the synchronous laser-assisted machining, the detection module detects the machining temperature field in real time, and the industrial computer controls the laser module, the numerical control machine tool module and the pose adjustment module in real time, so that the machining parameters such as laser power and tool-laser lag distance can be adjusted in real time. The application can adjust important machining parameters in real time according to the machining temperature field, avoids the use of unreasonable preset parameters in the machining process, reduces the adverse effects of fixed parameters on the machining quality of workpieces when the working conditions change, and meanwhile, the adaptive adjustment of main parameters by using a priority adjustment mode can make the use of the equipment more reasonable, and the energy utilization rate is improved.

This invention discloses a method and apparatus for forming thermoplastic carbon fiber composite pipes. The method solves the forming challenges of thermoplastic carbon fiber composite pipes by combining laser-assisted heating with close-contact roller pressing. It achieves precise heating of the contact area between the prepreg layer and the bottom pipe surface contour by using a method of splicing heating spots to form a three-dimensional intersection space curve between the prepreg layer and the bottom pipe. It ensures that each prepreg layer is uniformly covered by the prepreg layer by dynamically controlling the prepreg overlap width and using a reverse algorithm to solve the rotational angular velocity, thus reducing the porosity inside the reinforcement layer. It optimizes the circumferential and longitudinal pressure-bearing capacity of the formed pipe by gradually adjusting the layup angle, reducing the number of layup layers while meeting the design pressure. Finally, it eliminates prepreg interference or insufficient layup by sequentially adjusting the extension and retraction of the layup rollers in each layup head.

The disclosed concept includes the use of additive and / or subtractive manufacturing of mesoporous structures on two-dimensional sheets that are mechanically tunable, to provide a vascular graft that controls biodegradable graft host interactions, to improve graft patency and functionality long-term. The vascular graft includes the two-dimensional sheets in a rolled or tubular configuration to form a lumen wherein a surface and / or bulk modification is applied to the flat sheet. In addition, a plurality of mesoporous structures (e.g., gaps) are formed in the flat sheet using a subtractive manufacturing technique.

The application relates to a laser-assisted roller working head for an intelligent robot, which comprises a roller working head, a laser working head, an adjustable support, the laser working head is adjustably connected with the roller working head through the adjustable support to realize laser heating treatment of a workpiece during roller working head roller working process, the roller working head comprises a roller wheel assembly, a pressing rod, a connecting disc and a pressure sensor, the roller wheel assembly is arranged at one end of the pressing rod and can rotate to realize roller working operation on the workpiece, the other end of the pressing rod is connected with the connecting disc through the pressure sensor, and the connecting disc is mechanically connected with a mechanical arm of the intelligent robot to realize roller working operation on the workpiece by driving the roller working head through the intelligent robot; the application has the advantages of reasonable design, convenient adjustment, realized laser-assisted heating and real-time monitoring and control during the roller working process, improved roller working quality, high safety and high intelligent degree.

The invention relates to the technical field of automatic laying of composite materials, in particular to a laser-assisted in-situ forming process and device protected by high-temperature inert gas, and the process comprises the following steps: supplying a prepreg tape to a laying point; the laying points are heated through laser; an inert gas protection cover is arranged on the periphery of the laying point, heated inert gas is supplied, a local inert atmosphere is formed, and meanwhile the inert gas forms composite heating through convective heat transfer and laser radiation; and under the covering of the protective cover, the in-situ consolidation is realized through the compaction of the compaction roller. The device comprises a laying head module, a laser heating unit, an inert gas protection cover and an inert gas supply unit. A stable high-temperature inert protection environment is formed in a laser heating and compacting area, the oxidation and thermal aging risks of a thermoplastic matrix are reduced, the heating efficiency is improved, the laying speed is increased, control over a temperature field is achieved through partitioned gas supply, and therefore the forming quality and process stability of a composite material component are improved.

A drilling machine line laser-assisted centering apparatus and method. The line laser-assisted centering apparatus comprises a base (2), a magnet (3), a laser adjustment mount (4), a line laser emitter (5), and an auxiliary laser position adjustment template (6); the line laser emitter (5) is configured for projecting a line laser light source, wherein an intersection of linear laser lines serves to determine a center point; the base (2) comprises a shaft sleeve (21) and arms (22); the shaft sleeve (21) is sleeved on a drill chuck base flange mount of a drilling machine (1), one end of each arm (22) is connected to the shaft sleeve (21), and the other end is connected to the laser adjustment mount (4) and secures same; and each arm (22) is provided with a recess (221), wherein the magnet (3) is inserted into the recess (221) of each arm and configured for securing the base (2) on the drilling machine by means of magnetic attachment. The auxiliary laser position adjustment template (6) comprises a template body bottom plate (611), a template body vertical plate (612), a template body bilateral shoulder (613), and a template body bottom positioning peg (614). Adjusting a respective position of a laser projection line of the line laser emitter allows the laser projection line to be projected onto a rear vertical plate (612) by means of a central slit of the auxiliary laser position adjustment template (6), so as to achieve workpiece centering. The drilling machine line laser-assisted alignment apparatus and method use laser line guidance to assist in workpiece centering during clamping processes, thereby improving overall construction efficiency and quality.

The invention relates to electromechanical pipeline mounting equipment based on BIM and three-dimensional laser assistance and a mounting process thereof, and relates to the field of electromechanical pipeline mounting equipment. The device comprises a moving part, an adjusting part, a rotating part and a lifting part, the moving part comprises a moving base, Mecanum wheels are rotationally connected to the two sides of the bottom face of the moving base, a driving motor is horizontally fixed to the bottom face of the moving base, the output end of the driving motor is fixed to the Mecanum wheels, and the adjusting part is arranged on the top face of the moving base; and the adjusting part is used for adjusting the mounting position of the electromechanical pipeline. According to the method, drawing defects are eliminated through BIM model optimization, civil engineering deviation is adapted through three-dimensional laser scanning, high-precision installation collaborative innovation is achieved through intelligent equipment, the core problems that traditional MEP pipeline construction is much in rework, low in precision and poor in efficiency are thoroughly solved, the drawing defect discovery rate is increased, the installation precision is improved, and the construction efficiency is improved. And the construction efficiency can be improved, and the operation and maintenance cost can be reduced.

The invention discloses a laser-assisted abrasive flow polishing method for a micro-channel and abrasive flow preparation. A workpiece with a micro-channel is fixed to a workbench, and an inner cavity of the micro-channel is filled with abrasive flow; focusing a laser beam on a geometric center area of the cross section of the micro-channel, and presetting laser parameters; the port of the micro-channel filled with the abrasive flow is covered with a transparent constraint plate, so that the abrasive flow is sealed and limited in an inner cavity of the micro-channel; after a laser beam penetrates through the transparent constraint plate, according to preset laser parameters and a preset path, the grinding material flow in the micro-channel is scanned, at the moment, laser energy induces the grinding material flow to generate directional flow and pulse impact, and dispersed phase particles in the grinding material flow mechanically grind and polish the surface of the inner wall of the micro-channel. The micro-fluidic chip is adaptive to materials such as quartz glass and borosilicate glass and snakelike and spiral micro-channels, does not need a complex high-pressure system and a chemical reagent, is suitable for large-scale production of the glass micro-fluidic chip, and has a good industrial application prospect.