672 results about "Laser etching" patented technology

The invention relates to the technical field of laser engraving, and discloses a laser engraving method and system capable of automatically correcting coordinates of a galvanometer and a camera, and the method comprises the following steps: calculating a target conversion coefficient based on a calibration size and a pixel size of an image collected by the camera, and controlling the galvanometer to perform laser etching on a cross mark on the surface of a PCB (Printed Circuit Board), recording origin data of a galvanometer coordinate system; adjusting the position of the camera to enable the cross center of the view of the camera to coincide with the cross mark, and calculating the coordinate offset; coordinate space transformation is carried out on all the points to be machined, and galvanometer marking coordinate data are obtained; after laser engraving is carried out on the galvanometer marking coordinate data, an engraving area image is collected, the position residual error and the size proportion deviation are calculated, laser engraving is carried out again, and a laser engraving result is obtained. The technical problem that the visual positioning coordinate and the galvanometer marking coordinate in the laser engraving system are not consistent is effectively solved.

The invention discloses a dust removal mechanism and a dust removal method of an inverted laser etching machine for LOW-E glass, relates to the field of dust removal for LOW-E glass laser etching, and solves the problems of dust dissipation, interference between an air curtain and negative pressure airflow, poor adaptability of adsorption force and easy blockage of a filter membrane in the etching process. The mechanism comprises a dynamic sealing dust removal cover, an annular air curtain guiding module, a negative pressure dust collection module, a multi-stage filtering module, a composite adsorption positioning module and an intelligent control module. The method comprises six steps of pretreatment positioning, air curtain-negative pressure collaborative initialization and the like. According to the scheme, airflow interference is eliminated through an air curtain-negative pressure collaborative PID algorithm, an adsorption force two-factor adjustment algorithm is matched with glass characteristics, pre-dedusting is achieved through a dust concentration LSTM prediction algorithm, and the filtering efficiency is guaranteed by combining a multi-stage filtering module with a filtering membrane self-cleaning function; dust concentration can be effectively controlled, glass film layer damage is avoided, dedusting stability is improved, and filtering life is prolonged.

The invention relates to the technical field of circuit board processing, in particular to a laser drilling method, a storage medium, laser drilling equipment and a high-frequency high-speed substrate. The laser drilling method comprises the steps that hole machining information of a hole structure is obtained, wherein the hole machining information comprises the hole position, the hole outer contour and the hole depth; taking the hole position as a positioning reference, and performing at least one of laser winding and cutting treatment and laser etching treatment on the high-frequency high-speed substrate to form a hole structure; wherein the laser winding and cutting treatment comprises the steps that first laser is controlled to move along a first closed path matched with the outer contour of the hole, so that the side wall of the hole structure is formed; and the laser etching treatment comprises the steps of controlling a second laser to carry out punching processing on an enclosed area of the outer contour of the hole so as to remove a base material in the enclosed area and form a bottom wall of the hole structure, and the method can be used for manufacturing the high-quality hole structure on the high-frequency and high-speed substrate and also can be used for manufacturing the high-quality hole structure on the high-frequency and high-speed substrate. And the processing efficiency of manufacturing a high-quality hole structure on the high-frequency and high-speed substrate can be obviously improved.

The invention discloses a focusing method of a laser, a focusing control device and laser etching equipment, and the focusing method of the laser comprises the steps: taking a current reference height as a starting point, and determining a plurality of different laser heights of the laser according to a current height adjustment step pitch; at each laser height, a laser device is controlled to form a plurality of light spots through laser etching, and the average diameter of the light spots corresponding to each laser height is determined; determining whether the laser height corresponding to the minimum light spot average diameter meets a preset focusing qualification condition or not; if not, the next reference height and the next height adjustment step pitch are determined according to the size relation of the light spot average diameters corresponding to the multiple different laser heights, and the steps are repeated till the laser height corresponding to the minimum light spot average diameter meets the preset focusing qualification condition. According to the technical scheme provided by the invention, laser focusing is accurately and efficiently completed, and the stability and improvement of the laser etching process quality are ensured.

The invention discloses an antifriction wear-resistant coating material and a preparation method and application thereof, and the preparation method comprises the following steps: cladding metal-based powder on a base material by laser cladding to obtain a laser cladding layer; the surface of the laser cladding layer is subjected to laser etching, and the laser cladding layer with a texture on the surface is obtained; powder is filled in the texture of the laser cladding layer with the texture, the texture is completely filled and leveled up by the filling powder, and the filling powder is melted by laser to form a solid layer, so that the antifriction and wear-resistant coating material is prepared. According to the method, on the basis of an original laser cladding coating, the self-lubricating coating is prepared in a texture pit through texture processing and a selective laser melting technology secondary processing and powder filling mode, so that the original phase, microstructure, density and wear resistance of the laser cladding coating are not influenced, and the self-lubricating coating is prepared in a self-lubricating coating pit; and the friction coefficient of the coating can be further reduced by virtue of the self-lubricating coating in the texture pit, so that the high-performance coating with wear-resisting and friction-reducing functions is prepared.

The invention discloses a back contact solar cell and a preparation method thereof, and relates to the technical field of solar cells. The back contact solar cell comprises a silicon substrate, first doped regions, second doped regions and isolation regions, the first doped regions, the second doped regions and the isolation regions are arranged on a first main surface of the silicon substrate, the first doped regions and the second doped regions are arranged alternately, and the isolation regions are located between the adjacent first doped regions and second doped regions; the tunneling passivation layer is arranged in the first doped region and the isolation region; the intrinsic polycrystalline silicon layer is arranged on the outer side of the tunneling passivation layer of the isolation region; the first doped polycrystalline silicon layer is arranged on the outer side of the tunneling passivation layer of the first doped region and comprises first doped atoms; the emitting electrode is arranged in the second doped region and comprises second doped atoms; the conduction types of the first doping atoms and the second doping atoms are opposite; the intrinsic polycrystalline silicon layer and the first doped polycrystalline silicon layer are located on the same layer. According to the embodiment, the influence of laser etching on the cell can be reduced, the preparation process is shortened, and the photoelectric conversion efficiency of the cell is improved.

The invention discloses an ultrathin PCD / PCBN (Polycrystalline Diamond / Polycrystalline Boron Nitride) composite sheet and an alternate lamination preparation process thereof, and the process comprises the following steps: preparing a PCD prefabricated body layer and a PCBN prefabricated body layer, and depositing gradient transition layers on the surfaces of the two prefabricated body layers respectively; processing a microstructure with a preset pattern on the surface of the gradient transition layer by adopting a laser etching technology, and filling the etched microstructure with a conductive material with high thermal conductivity; the PCD prefabricated body layers and the PCBN prefabricated body layers are alternately stacked and assembled, and interlayer bonding is completed through ultrahigh-pressure staged sintering; injecting a reinforcing phase into the microstructure of the interface of the sintered composite sheet through ultrasonic-assisted permeation so as to carry out interface reinforcing treatment; through the gradient transition layer and the laser etching microstructure, thermal expansion adjustment between multiple layers of composite sheets is achieved, the problems of thermal stress concentration and interlayer stripping are effectively relieved, meanwhile, through the high-thermal-conductivity filling material and reinforced phase permeation, the interface thermal conductivity and shear strength are improved, and the structural stability of the interface between the ultrathin composite sheets is achieved.

According to the special-shaped curved surface laser etching data self-adaptive blocking and track path optimization method, the size of a laser etching block is automatically adjusted according to the curvature radius change of a laser etching pattern, and it is guaranteed that the size of the laser etching data block is smaller than the maximum scanning range of a scanning galvanometer and smaller than the maximum scanning range of the scanning galvanometer; it is guaranteed that the arch height in the blocks is smaller than the focal depth of the etching laser beam, the maximization of the sizes of the blocks is achieved on the premise that the laser etching precision is guaranteed, and the laser efficiency is improved; for a certain laser etching data block, a laser etching track is optimized, so that the idle time of a scanning galvanometer is shortened, and the laser scanning etching efficiency is improved; different laser etching data are partitioned, the moving path of the five-axis moving mechanism is optimized, the idle time of the five-axis moving mechanism is shortened, and the overall efficiency of laser etching is improved.

The invention discloses an aluminum wiring terminal, a wiring terminal unit and an assembling method, and the method comprises the steps: carrying out the laser etching of a joint surface of an aluminum conductive sheet, forming a pretreated conductive sheet with a micro-nano structure, depositing a protective coating on the joint surface, and carrying out the curing, and obtaining a conductive sheet with a protective coating. And then crimping and assembling with an insulating shell assembly to form a crimping assembly, and fixing bolts are arranged in the insulating shell assembly. Applying resonance fastening of characteristic frequency to a fixing bolt in the crimping assembly, injecting a lubricating medium in the fastening process, performing synchronous detection and verification of multi-physical field parameters on the fastening assembly, and feeding back detection data to a production control system to optimize assembly process parameters; the micro-nano structure is constructed on the joint surface of the conducting strip and the protective coating is deposited, so that the interface conductivity and oxidation resistance are remarkably improved, online detection and dynamic feedback optimization are integrated, and the consistency and reliability of the product are improved.

The invention belongs to the technical field of metallurgy, and particularly relates to a method for preparing an aluminum-iron composite material based on microtexture.The method comprises the steps that S1, an iron matrix is obtained and pretreated; s2, the iron matrix is placed in deionized water; s3, preparing a microstructure on the surface of the iron matrix; and S4, the iron matrix is adopted for liquid-solid composite casting to prepare the aluminum-iron composite material. On one hand, the micro-texture prepared in deionized water is more uniform, the roughness is reduced compared with that of the micro-texture prepared in air, and the wettability of an aluminum alloy melt when the aluminum alloy melt makes contact with an iron matrix is well improved; and on the other hand, when the micro-texture is prepared in the deionized water, the deionized water can effectively enable slag generated when the surface of the iron matrix is subjected to laser etching not to be deposited in the micro-texture any more, so that the interior of the micro-texture is more uniform and smoother, the filling rate of an aluminum alloy melt is effectively increased, and the problem of interface cracking after aluminum-iron bimetal solid-liquid compounding is solved.

The present application relates to the technical field of flexible sensor, and discloses a flexible large-strain sensor, a preparation method and application, aiming to solve the problems of small range, poor adhesion of traditional sensors in large-strain monitoring of solid engine grain and other soft materials, and poor signal linearity and repeatability, complex preparation process and high cost of existing flexible sensors. A polymer film is used to make a flexible insulating substrate; a conductive film is prepared on the flexible insulating substrate to form a composite film layer structure; according to a preset pattern of the conductive film, laser etching and scribing are performed on the conductive film according to a first type of vector track, only penetrating the conductive film, to divide out strain resistance and other resistance, forming an off-axis serpentine structure; according to a preset pattern of the flexible insulating substrate, laser etching and scribing are performed on the composite film layer structure according to a second type of vector track, penetrating the composite film layer structure, to etch out the flexible insulating substrate of the sensor; lead-out wires are welded on the lead-out electrodes and encapsulated to obtain the flexible large-strain sensor.

The invention relates to the technical field of building fire protection, in particular to an intelligent smoke exhaust device based on shape memory alloy and a smoke exhaust method.The intelligent smoke exhaust device comprises a window frame installed on a wall and a grating plate embedded into the window frame, and the grating plate is manufactured by laser etching of a shape memory alloy matrix with a preset crack pattern; and a heat reflection coating is arranged on the surface of the grating plate. When no fire occurs, the grating plate is in a sealed state, and no gap exists; when a fire disaster occurs, the indoor temperature rises rapidly, when the temperature rises to 90 DEG C and reaches the deformation temperature of the memory alloy, deformation begins, cracks are opened after the grating plate deforms, the preset cracks are distributed in a radial mode after being opened, a smoke exhaust channel is generated, and indoor smoke dust is exhausted. The method has the technical effects of high response speed and no need of manual reset.

The invention discloses an aluminum alloy and galvanized aluminum magnesium steel CMT dissimilar metal connection method. The method comprises the following steps that S11, a galvanized aluminum magnesium steel plate to be welded and an aluminum alloy plate to be welded are cleaned before welding; s12, laser etching is conducted on the surface of the cleaned zinc-aluminum-magnesium-plated steel plate, a surface microstructure is prepared, and the depth of the surface microstructure is smaller than the thickness of a plating layer on the zinc-aluminum-magnesium-plated steel plate; and S2, the galvanized aluminum magnesium steel plate with the surface microstructure and the cleaned aluminum alloy plate are placed in a lap joint mode, and welding is carried out. According to the method, the surface microstructure is prepared on the surface of the galvanized aluminum-magnesium steel plate, so that the coating restraint degree of the galvanized aluminum-magnesium steel surface is changed, the contact area of brazing filler metal and a base material is remarkably increased, the coating restraint stress of the surface of the base material is reduced, the flowing resistance of a molten pool is reduced, and the wettability is improved; the surface microstructure can promote evaporation of Zn in the coating and reduce the temperature of a molten pool, so that the thickness of an intermetallic compound is reduced, and the performance of a welded joint is remarkably improved.

The invention discloses a dental implant containing a bioactive surface and a preparation method of the dental implant, relates to the technical field of implants, and aims to improve the biological activity of the dental implant, perform multiple treatments on the surface of the dental implant, and form a microcosmic concave structure on the surface of the implant through sand blasting and laser etching to induce bone growth. Acid liquor and alkali liquor are used for treating the surface of the implant, active hydroxyl is introduced to the surface of the implant, the surface hydrophilicity is improved, and the reaction activity of subsequent reaction steps is improved; then, polyether-ether-ketone with antibacterial performance and hydroxyapatite with biological activity are further introduced into the surface of the dental implant, so that the biological activity of the dental implant is effectively improved.

The invention relates to the technical field of laser, and discloses a button laser carving device which comprises a first positioning assembly, a second positioning assembly and a laser carving laser head, accurate and flexible button positioning can be achieved through the first positioning assembly and the second positioning assembly, the position of a button is effectively fixed through a positioning block and a positioning groove, and the laser carving efficiency is improved. And the second positioning assembly is provided with a variable-diameter fixing groove and a positioning clamp, so that the adaptability to buttons with different sizes is enhanced, the compatibility to the buttons with different specifications is effectively improved, and meanwhile, the precision and the consistency of laser etching patterns are also ensured. Besides, the carrying mechanism is matched with a rotating motor through a feeding suction nozzle, the rotating motor and the feeding suction nozzle on the rotating motor are driven by a driving assembly to move along set tracks in the first direction and the second direction, flexible and independent carrying of the buttons is achieved, and the stability of the single button in the carrying process is ensured; and machining interruption or errors caused by clamping or position deviation due to simple linearity are avoided.

The invention discloses a laser etching dust extraction flight following system and a control method, and relates to the technical field of thin film solar cell manufacturing. The following system comprises a focusing dust extraction module, a following driving module, a cooperative control unit and a negative pressure dynamic adjusting module. The cooperative control unit comprises a following PLC controller and a motion control card, the following PLC controller synchronously obtains path planning information from a galvanometer flight system of a laser beam and generates a displacement instruction, and the displacement instruction is sent to a following driving module through the motion control card; and the following driving module and a galvanometer scanning module of the galvanometer flight system are synchronously triggered, and the following driving module moves according to the displacement instruction and controls the center of the dust extraction cover body and the etching point of the laser beam to coaxially move in a following manner. The method is low in dust removal efficiency and series resistance, good in parameter stability, low in equipment maintenance cost and suitable for processing large-size thin film batteries such as perovskite and cadmium telluride.

The invention provides a dual-mode resonance optical fiber microcavity air pressure measurement system and method, and relates to the technical field of optical fiber microcavity air pressure measurement, and the system specifically comprises a sensing probe preparation module, a two-parameter sensitivity matrix calibration module, an optical fiber laser sensing system construction module, a real-time change monitoring module and a decoupling and output module. Femtosecond laser etching is combined with high-temperature tapering, an open type microcavity is manufactured on a single-mode optical fiber, a micro-nano cone area is formed, and the sensing probe with two resonance valleys with different temperature and air pressure response characteristics is obtained. A sensitivity coefficient matrix is obtained through calibration, a probe serves as a filter to be embedded into an annular optical fiber laser cavity, and an optical fiber laser with the laser wavelength locked by a resonance valley is constructed. Laser wavelength drift is caused by environmental change, real-time synchronous measurement of temperature and air pressure is realized by utilizing inverse matrix decoupling, and the method is suitable for high-precision and anti-interference monitoring of harsh industrial environments such as aero-engines and power transformers.

The invention relates to the technical field of flexible sensors, discloses a flexible large-strain sensor, and a preparation method and application thereof, and aims to solve the problems that a traditional sensor is small in measuring range, poor in fitting performance and high in reliability in large-strain monitoring of soft materials such as solid engine grains. And the problems of poor signal linearity and repeatability, complex preparation process and high cost of the existing flexible sensor are solved. Manufacturing a flexible insulating substrate by adopting a polymer film; preparing a conductive film on the flexible insulating base to form a composite film layer structure; according to a preset pattern of the conductive film, laser etching scribing is carried out on the conductive film according to the first type of vector trajectory, only the conductive film is penetrated, a strain resistor and other resistors are segmented, and an off-axis snakelike structure is formed; according to a preset pattern of the flexible insulating substrate, laser etching scribing is carried out on the composite film layer structure according to a second type of vector trajectory, the composite film layer structure is penetrated, and the flexible insulating substrate of the sensor is etched; and welding a leading-out wire on the leading-out electrode and packaging to obtain the flexible large-strain sensor.

The invention discloses an ionic gel flexible pressure film sensing array and a preparation method thereof. The sensing array comprises two layers of patterned flexible electrodes, an ionic gel unit array containing a surface microstructure and a patterned isolation layer. The ionic gel layer and the isolation layer are located on the same plane, each ionic gel unit is surrounded by the isolation layer unit structure, the two layers of electrodes respectively cover the upper side and the lower side, the ionic gel is in contact with an electrode conductive region, and the isolation layer is in contact with a non-conductive region. The preparation method comprises the following steps: performing laser etching and patterning processing on the flexible electrode; preparing a mask with a hollow pattern and covering the mask to the first electrode; imprinting on the polymer film to prepare a microstructure mold; dropwise adding liquid ionic gel into the mold, and pressing and curing the first electrode covered with the mask to form an ionic gel unit array; and bonding the isolation layer and the two layers of electrodes. The preparation method is low in cost, simple, flexible, thin in device thickness, wide in measuring range, high in sensitivity and signal-to-noise ratio, resistant to sensitive layer crosstalk and suitable for various pressure detection scenes.

The invention belongs to the technical field of photo-thermal water evaporation films, and discloses a Janus-structure photo-thermal evaporation film for seawater desalination and a preparation method of the Janus-structure photo-thermal evaporation film. The Janus film is obtained by treating a composite film solution through a non-solvent induced phase separation method and a nano laser etching technology. The preparation method comprises the following steps: dissolving phthalazinone polyarylethersulfone ketone in N-methyl pyrrolidone, cooperating with nano molybdenum disulfide to prepare an upper layer of the photo-thermal super-hydrophobic water evaporation double-layer film, and dissolving quaternized phthalazinone polyarylethersulfone ketone in N-methyl pyrrolidone to prepare a hydrophilic lower layer of the water evaporation double-layer film. According to the prepared water evaporation thin film material, the super-hydrophobic upper surface and the hydrophilic lower layer are achieved through surface laser etching, meanwhile, the water evaporation thin film material has excellent photo-thermal performance in a full-spectrum area of sunlight, and the water evaporation rate is excellent under irradiation of 0.8 sunlight intensity and a 60-degree wide angle.

The application discloses a kind of detection pesticide water amitraz integrated organic photoelectrochemical transistor sensor construction method.The application is integrated on the same fluorine-doped tin oxide conductive glass chip by laser etching technology to have the gate, source, drain three electrodes of organic photoelectrochemical transistor.In order to improve the activity and stability of grating material, the method of encapsulating Pd NPs in Cu-MOF and pyrolyzing is adopted, and Pd NPs / p-Cu-MOF is formed.Pyrolysis Cu-MOF with three-dimensional MOF structure as active carrier can load more Pd NPs, and the redox active copper metal elements contained therein will cause electron transfer between carrier and Pd NPs, so as to adjust the electronic state of metal active site and improve its catalytic performance.Schottky junction is formed between Pd NPs and p-Cu-MOF, which promotes the separation of electrons and holes.Pd NPs / p-Cu-MOF is used as photoactive gate material, and amino amitraz aptamer with carboxyl on the material is used as recognition element, so as to realize the OPECT sensing detection of ICP.

The invention provides a hybrid micro / nano structure pressure sensor, a preparation method and electronic equipment. The hybrid micro / nano structure pressure sensor comprises an upper electrode, a lower electrode and an ionic conductive medium layer located between the upper electrode and the lower electrode, the surface of the upper electrode and the surface of the lower electrode are of a preset micro / nano composite structure formed through femtosecond laser etching. By introducing a programmable micro / nano composite structure etched by femtosecond laser on the surface of the metal electrode and combining with the ionic conductive medium layer, the technical problem that the existing pressure sensor is difficult to give consideration to both high sensitivity and wide detection range is solved.

The present application relates to the technical field of laser etching, and particularly relates to a laser etching control method and system for an RFID antenna. The method comprises the following steps: acquiring an actual model at a current time and a design model at a corresponding time; determining an offset region according to a deviation between the actual model and the design model; determining an actual etching route, a design etching route and an offset etching route; determining an etching route offset degree according to an area proportion of the offset region, a length proportion of the offset etching route and a skeleton line length of a maximum connected domain of the offset region; determining a turning point of a deviation change of a nearest deviation path segment at the current time; determining an etching deviation complexity according to offset changes on both sides of the turning point and a maximum position deviation at a sampling point position; and performing etching control in combination with the etching route offset degree and the etching deviation complexity. The present application can optimize a control strategy, improve control precision and achieve better control effect.

The present application relates to a kind of organic solar cell module and its preparation method.The organic solar cell module, in addition to deposit a conductive layer (1A,1B) on the first electrode layer, etching connection channel (P2) and partition channel (P3) on the conductive layer.Compared with prior art, the significant advantages of the present application are: when laser etching connection channel (P2) and partition channel (P3), it improves the fault tolerance of etching, both protects the first electrode layer, and makes each layer be etched completely, improves the performance of device.

The invention relates to a novel high-precision laser etching method for a high-thermal-conductivity metal film on the surface of an organic material. According to the principle that the arrangement mode of atoms in crystal lattices is determined by crystal defects, crystal sizes and crystal orientations in metal materials, so that the transfer mode of heat energy through phonons and electrons is influenced, and by regulating and controlling the crystal structures of the metal materials, the transverse heat conduction area of instantaneous laser energy in the metal film is reduced; therefore, the energy longitudinally conducted to the interface of the metal film and the substrate under the action of the laser is increased, so that the temperature of the interface of the laser spot edge area is higher than the thermal decomposition temperature of the substrate material, and the solid stripping phenomenon is generated. The method provided by the invention solves the problem that high-thermal-conductivity metal subjected to laser etching is easy to remain at present, improves the precision of a laser etching pattern, and has scientific and industrial practical potential.

The invention discloses an electronic device laser etching device, and relates to the field of laser etching equipment.The electronic device laser etching device comprises a bottom plate, a discharging opening is formed in the middle of the upper surface of the bottom plate, supporting frames are fixedly connected to the two sides of the upper surface of the bottom plate, and a first driving mechanism is fixedly connected to one side of one supporting frame; through the flattening mechanism, the opening and closing mechanism and the mutual moving mechanism, the flexible circuit board is placed on the two bottom clamps, the two top clamps and the two bottom clamps are matched, the flexible circuit board is clamped and fixed, then a second motor is started to drive a bidirectional lead screw to rotate, the bidirectional lead screw drives symmetrical blocks on the two sides and two moving plates to move in the opposite directions, and the flexible circuit board is fixed. When the two moving plates move in the opposite directions, the two top clamps and the bottom clamp are driven to move in the opposite directions, and then the flexible circuit board is smoothed when the two top clamps and the bottom clamp move in the opposite directions, so that the situation that the etching pattern precision is reduced due to the fact that the surface of the flexible circuit board is uneven during processing is avoided, and the etching quality of the circuit board is guaranteed.

The utility model discloses laser etching equipment, which comprises a laser mechanism, a laser cutting mechanism and a laser cutting mechanism, the first rolling brush mechanism is suitable for cleaning stains on the semiconductor product before laser etching; the blowing mechanism is suitable for removing laser etching dust; the suction mechanism is suitable for gathering laser etching dust and comprises a trapping box, a first suction part, a second suction part and a negative pressure source, and a filter part is arranged in the trapping box and suitable for dividing the interior of the trapping box into a first cavity and a second cavity; the conveying mechanism is suitable for conveying the semiconductor products to the first rolling brush mechanism, the laser mechanism and the blowing mechanism; wherein the first sorption part and the first rolling brush mechanism are cooperatively arranged, the second sorption part and the blowing mechanism are cooperatively arranged, the first sorption part and the second sorption part are both communicated with airflow of the first cavity, and the negative pressure source is communicated with airflow of the second cavity. By the adoption of the structure, stains on semiconductor products can be cleaned before laser etching, and laser etching dust can be effectively managed.

The invention discloses a manufacturing method and a manufacturing device for a double-sided heterogeneous laser etching car lamp lens or decorating part. The manufacturing method comprises the following steps: S1, fixing a transparent base material part on a workbench; s2, laser etching processing is conducted on the front face of the transparent base material part, and a first laser etching texture layer is completed; s3, overturning and accurately aligning the transparent base material part; s4, performing laser etching processing on the back surface to complete a second laser etching texture layer; and S5, cleaning and inspecting. The manufacturing device comprises a 3D laser engraving machine, a laser device, an engraving machine integrated CCD camera system, an industrial personal computer, a special clamp and a transparent base material, and the transparent base material is installed on the special clamp. Through careful design and matching of double-sided textures, a visual effect which cannot be achieved by a traditional single-sided laser etching technology can be created, the visual hierarchy and interaction of the product are greatly enriched, and the design additional value and brand identification degree of the product are remarkably improved.

The invention relates to a novel substrate designed for a packaging redistribution layer in a semiconductor device and an innovative manufacturing method thereof. The substrate aims to improve electrical and heat dissipation performance in a semiconductor package by using materials such as glass, ceramic or high-temperature polymer, so as to achieve an effect of improving heat management. One characteristic of the invention is that the redistribution layer comprises the arc angle, so that smooth transition between redistribution lines is promoted, and the filling resistance of the conductive material is effectively reduced. The redistribution layer is filled with conductive adhesive, such as copper or silver adhesive, into channels formed by selective laser etching or a 3D line printing technology. The method of manufacturing the printed circuit board ensures accurate formation of the conductive vias having arcuate angles, and involves a subsequent annealing step to cure the conductive adhesive.

The invention discloses an anti-counterfeiting laser etching film and a manufacturing method thereof.The anti-counterfeiting laser etching film sequentially comprises a stain-resistant layer, a second etching layer, a comparison layer, an adhesive layer and a second release layer.The conventional later laser point-by-point marking is replaced with a mode of copying microstructures in batches and stripping and forming watermarks; therefore, the continuous production of large-area high-density customized watermarks is realized, and the production efficiency can be effectively improved; various different situations can be formed through mutual matching of various different microstructures, meanwhile, the depths between the microstructures are different, and a counterfeiter needs to counterfeit the shapes and the depths of the microstructures at the same time, so that the counterfeited threshold is improved, and the anti-counterfeiting effect of the watermark is effectively improved.