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333 results about "Laser scribing" patented technology

Laser scribing track control method and device based on visual inspection

The invention provides a laser scribing track control method and device based on visual inspection. The method and device are applied to a laser scribing system. The laser scribing system comprises a visual collection module, an edge calculation module, a motion control module and a process execution module. The track control method comprises the steps that the visual collection module collects a workpiece surface image and sends the workpiece surface image to the edge calculation module; the edge calculation module processes the workpiece surface image to determine a target track of a P1 curve of the workpiece surface, processes the target track of the P1 curve to generate a laser scribing track of the P1 curve, a laser scribing track of a P2 curve and a laser scribing track of a P3 curve, and sends the laser scribing tracks of the P1 curve, the P2 curve and the P3 curve to the motion control module; and the motion control module controls the process execution module to perform real-time offset lineation based on the laser lineation tracks of the P1 curve, the P2 curve and the P3 curve, so that the lineation precision and consistency are improved.
Owner:GUANGDONG LYRIC ROBOT INTELLIGENT AUTOMATION CO LTD +1

Method and device for high-precision laser selective etching of curved-surface multilayer film system

The invention relates to a method and device for high-precision laser selective etching of a curved-surface multilayer film system, and the method comprises the following steps: obtaining a battery image of the surface of a curved-surface perovskite battery through a visual imaging system, and transmitting the battery image to a main control unit; the main control unit locates the position of the P1 line; the distance measuring unit identifies the height between the laser scribing head and the surface of the curved-surface perovskite battery; the moving module drives the laser scribing head to etch the P1 line on the surface of the curved-surface perovskite cell to obtain a P1 scribed line; the main control unit obtains a reference positioning line of the P1 scribed line; an offset value is added on the battery image according to the reference positioning line of the P1 scribed line, so that the P2 line and the P3 line are positioned; and the moving module drives the laser scribing head to etch the P3 line on the surface of the curved-surface perovskite cell to obtain a P3 scribed line. The distance measuring unit can dynamically adapt to the real-time motion state of the workpiece, and the problem of focus deviation is avoided.
Owner:ZHEJIANG MOKE LASER INTELLIGENT EQUIP CO LTD

Perovskite solar cell, preparation method thereof and perovskite solar cell module

The embodiment of the invention provides a perovskite solar cell, a preparation method thereof and a perovskite solar cell module. The perovskite solar cell comprises a substrate and a transparent conductive oxide layer, wherein the transparent conductive oxide layer is provided with a plurality of first regions and second regions which are arranged in a staggered manner; a first etching groove is formed in the transparent conductive oxide layer in the first region; the insulating protection layer is positioned in the first region; the first charge transport layer, the perovskite light absorption layer and the second charge transport layer are located in the second region; the second etching groove is positioned in the insulating protection layer; the electrode layer is positioned on the second charge transmission layer and the insulation protection layer and in the second etching groove; and the third etching groove is positioned in the electrode layer of the first region. According to the technical scheme of the invention, the insulation protection layer in the perovskite solar cell can protect the perovskite light absorption layer, reduces the damage of laser scribing to the perovskite light absorption layer, and improves the stability of a perovskite solar cell module.
Owner:TRINA SOLAR CO LTD

Laser scribing equipment for manufacturing and processing perovskite photovoltaic module

The invention relates to the technical field of laser scribing equipment, and particularly provides laser scribing equipment for manufacturing and processing a perovskite photovoltaic module. Comprising a workpiece conveying table and a laser scribing mechanism, and two positioning assemblies matched with each other are assembled on the workpiece conveying table; the workpiece conveying table comprises a conveying rack and a lifting rack assembled on the conveying rack, a plurality of conveying rollers used for jointly and horizontally conveying photovoltaic panels are installed at the lifting end of the lifting rack, and air cooling structures are arranged on the conveying rollers. According to the photovoltaic panel machining and conveying device, the two positioning assemblies matched with each other are arranged, and the side blocking assemblies capable of ascending, descending and avoiding are arranged in the positioning assemblies, so that a photovoltaic panel can be quickly repositioned in the machining and conveying process of the photovoltaic panel; through the uniform distribution of the plurality of conveying rollers and the cooling structures of the conveying rollers, the whole plate surface of the photovoltaic panel can be uniformly covered and cooled.
Owner:SUZHOU FULUTFEN PRECISION INSTR CO LTD

Focus following control method and device for laser scribing

The invention relates to the technical field of laser precision machining, and particularly discloses a focus following control method and device for laser scribing. The method comprises the steps that processing parameters are set through upper software, and a two-way range finder is positioned; collecting material surface height data in real time, wherein analog voltage signals of the range finder and distance values are mapped according to a quantitative conversion relation; dynamically compensating the focus height deviation based on a PID algorithm; a voice coil motor is driven by a bus motion control card to adjust the position of a focus lens, and motor displacement and pulse are converted according to 10000 pulse / mm; and forward / reverse scribing respectively adopts independent range finder data to eliminate control lag errors. The device correspondingly comprises a two-way distance measuring module, a data processing module, an axis control module and a bus motion control card supporting multi-channel expansion. According to the invention, bidirectional ranging is combined with PID closed-loop control, and the line width error is controlled to be less than or equal to 20 [mu] m; 24-path synchronous focusing is supported, the focusing period is smaller than or equal to 10 ms, and the machining speed is larger than or equal to 2000 mm / s.
Owner:SHENZHEN QINGHONG LASER TECHNOLOGY CO LTD

Solar cell laser scribing track control method, scribing method and scribing system

The invention discloses a solar cell laser scribing track control method, a scribing method and a scribing system.The control method comprises the following steps that a first camera is used for obtaining datum line data at the position L away from the front of a laser device and sending the datum line data and corresponding position data to a control device; when the control device controls the laser to move to the position corresponding to the position data in the first direction, compensation and lineation are carried out based on the datum line data and the preset line spacing, so that the laser carries out lineation along with the datum line; the second camera is used for acquiring a current line spacing between a current processing line and a reference line and sending the current line spacing to the control device, the control device compares the current line spacing with a preset line spacing, the control device obtains correction data according to a comparison result, and the correction data is used for correcting the current processing line according to the correction data. And controlling the movement of the laser based on the correction data and the datum line data of the first camera.
Owner:SUZHOU ZHONGHUI LASER TECH CO LTD

Perovskite solar cell module based on insulation layer protection and packaging process optimization method thereof

The invention discloses a perovskite solar cell module based on insulation layer protection and a packaging process optimization method thereof, through adding an insulation protection layer on the surface of a metal electrode layer and combining a specific deposition process and a packaging process, the risk of short circuit is effectively avoided, and the stability of the cell module is improved at the same time. The perovskite solar cell module sequentially comprises a glass substrate, a transparent conductive oxide layer, a first functional layer, a perovskite layer, a second functional layer, a metal electrode layer, an insulating layer, an adhesive film and a packaging cover plate from bottom to top, and efficient packaging is realized by optimizing laser scribing and insulating layer deposition processes. According to the invention, the long-term stability and the electrical performance of the perovskite assembly are obviously improved, and the perovskite assembly has a wide application prospect.
Owner:杭州柯能新能源有限公司 +1

Back electrode, perovskite photovoltaic cell and laser scribing method thereof

The invention relates to the technical field of optoelectronic devices, in particular to a back electrode, a perovskite photovoltaic cell and a laser scribing method thereof. The back electrode comprises a first electrode layer and a second electrode layer which are sequentially stacked and arranged in a contact mode, at least one third electrode layer is arranged in the first electrode layer in the layer thickness direction, and the third electrode layer divides the first electrode layer into a plurality of first sub-electrode layers distributed at intervals; the hardness of the second electrode layer and the hardness of the third electrode layer are both higher than the hardness of the first electrode layer. And / or the brittleness of the second electrode layer and the third electrode layer is higher than the brittleness of the first electrode layer. The back electrode provided by the invention is used in a perovskite photovoltaic cell, can ensure the effect of laser P3 scribing without reducing the overall thickness of the back electrode and the conductivity of the back electrode, effectively reduces the difficulty of laser scribing, improves the effect of laser P3 scribing, and forms laser scribing lines without edge breakage.
Owner:WUXI UTMOST LIGHT TECH CO LTD

Laser scribing planning method, device and equipment and storage medium

The invention relates to the technical field of laser scribing, and discloses a laser scribing planning method, device and equipment and a storage medium, and the method comprises the steps: carrying out the kinematics and laser-material interaction dynamics modeling of a dual-light-path laser system, and carrying out the preprocessing of historical scribing data, and obtaining a preprocessing time sequence data set; inputting the preprocessed time sequence data set into a time feature extractor to execute time dynamic feature extraction of the historical lineation trajectory to obtain a time feature vector; calculating spatial interaction features between the double optical paths to obtain spatial feature vectors; inputting the time feature vector and the space feature vector into a mixed density network, and establishing a material response probability model; and based on the material response probability model, performing layered optimization on a lineation path to obtain an optimal control parameter sequence of the dual-optical-path laser head. According to the invention, the global optimization of the double-light-path laser scribing path is realized, the scribing quality and efficiency are balanced, and the scribing positioning precision is improved.
Owner:SHENZHEN FRESHEN TECH CO LTD

Laser detection method, device and equipment of laser scribing machine and storage medium

The invention relates to a laser detection method, device and equipment of a laser scribing machine and a storage medium. The method comprises the following steps: carrying out laser scanning on the surface of a solar cell, collecting a reflected light intensity signal and carrying out adaptive domain transformation processing to obtain a target characteristic matrix; training a material characteristic predictor based on the target characteristic matrix, and predicting material characteristic parameters on the lineation path to obtain a material characteristic prediction value; a state space model of the dual-optical-path laser system is constructed according to the material characteristic predicted value, a Lyapunov control function is established by solving a Lyapunov equation, and constraint conditions for ensuring the stability of the system are obtained; and the constraint condition and the material characteristic prediction value are substituted into a model prediction control optimization problem, a quadratic programming problem is solved through an interior point method, and an optimal control sequence is obtained. According to the invention, accurate prediction of the material characteristics on the scribing path is realized, scribing abnormity caused by sudden change of the material characteristics is reduced, and the anti-interference capability and the control precision of the system are enhanced.
Owner:SHENZHEN FRESHEN TECH CO LTD

Laser scribing system and laser scribing method

A laser scribing system, comprising: a bearing mechanism (10), wherein a bearing region (111) for bearing a product (200) is formed on the surface of one side in a first direction; shaping devices (20) respectively arranged on two sides of the bearing region in a second direction, wherein at least a part of each shaping device can move relative to the bearing mechanism in the second direction so as to abut against the side surface of the product in the second direction, and the shaping devices arranged corresponding to the bearing region cooperate with each other to adjust the position of the product on the bearing region; and a flying device (30) and a flying driving device that are connected to each other, wherein the flying driving device can drive the flying device to move in a third direction, first laser can be emitted in the first direction by means of the flying device to scribe the product shaped by means of the shaping devices on the bearing mechanism, and the first direction, the second direction and the third direction intersect in pairs. Also provided is a laser scribing method. The scribing system can ensure that the position of a product before laser scribing is accurate, ensures the scribing precision, can control the flying device to fly at an extremely fast speed, has a fast scribing speed, and improves the scribing efficiency.
Owner:WUXI LEAD LASER INTELLIGENT EQUIPMENT CO LTD

Laser scribing device and laser scribing method

The invention discloses a laser scribing device and a laser scribing method.The laser scribing device is used for conducting laser scribing on a substrate of a thin-film solar cell and comprises a movable scribing module and a control module, and the movable scribing module comprises a laser emitting unit, a reflector, a reflector driving unit and a range finder. And the reflecting mirror is used for reflecting the laser from the laser emitting unit and enabling the reflected laser to be vertically emitted to the processing surface of the substrate. The reflector driving unit is used for driving the reflector to move in the current scribing direction, and the focus position of the laser is adjusted by adjusting the position of the reflector in the current scribing direction. The range finder is used for measuring the distance of the current to-be-scribed position of the machined surface to obtain a distance value. And the control module is used for controlling the reflector driving unit to adjust the position of the reflector in the current scribing direction according to the distance value of the current to-be-scribed position. The structure for adjusting the laser focus is simple, and the cost of the scribing device can be reduced.
Owner:ZHONGKE XIHE (GUANGDONG) TECHNOLOGY CO LTD

Voltage-matched two-end perovskite-crystalline silicon laminated assembly and preparation method thereof

The invention discloses a voltage-matched two-end perovskite-crystalline silicon laminated assembly and a preparation method thereof, the laminated assembly comprises a perovskite top assembly and a crystalline silicon bottom assembly, the perovskite top assembly comprises a plurality of square perovskite assemblies, the square perovskite assemblies are provided with perovskite battery pieces in a laser scribing mode, and the perovskite battery pieces are arranged on the crystalline silicon bottom assembly. The adjacent perovskite cell pieces are connected in series and in parallel, the crystalline silicon bottom assembly comprises a plurality of crystalline silicon cell pieces connected in series and in parallel, the perovskite top assembly and the crystalline silicon bottom assembly are independently stacked, and the MLPE assembly is connected to one side of the crystalline silicon bottom assembly in series and is integrally connected with the perovskite top assembly in parallel. The top assembly adopts a splicing mode, efficiency loss caused by area expansion of a single perovskite assembly is avoided, the bottom assembly adopts a high working voltage and an MLPE assembly, and when the environment temperature changes, the working voltage of the bottom cell assembly can be adjusted, so that the bottom cell assembly is matched with the top cell assembly; compared with a conventional four-end assembly, the system installation cost is reduced, and meanwhile the power generation capacity of the four-end assembly is reserved.
Owner:CANDO SOLARPHOTOELECTRIC TECH (CHANGZHOU) CO LTD

Laser scribing device and laser scribing method

The present application discloses a laser scribing device and a laser scribing method. The laser scribing device is used to laser scribing the substrate of a thin-film solar cell, and includes a mobile scribing module and a control module. The mobile scribing module includes a laser emitting unit, a reflector, a reflector driving unit and a rangefinder. The reflector is used to reflect the laser from the laser emitting unit and direct the reflected laser vertically onto the processing surface of the substrate. The reflector driving unit is used to drive the reflector to move in the current scribing direction, and adjust the focal position of the laser by adjusting the position of the reflector in the current scribing direction. The rangefinder is used to measure the current position to be scribed on the processing surface to obtain a distance value. The control module is used to control the reflector driving unit to adjust the position of the reflector in the current scribing direction according to the distance value of the current position to be scribed. The structure of adjusting the laser focus of the present application is simple, which is conducive to reducing the cost of the scribing device.
Owner:ZHONGKE XIHE (GUANGDONG) TECHNOLOGY CO LTD

Method and device for repairing abnormal laser scribing of perovskite photovoltaic module

The invention relates to the technical field of perovskite solar cells, in particular to a method and a device for repairing abnormal laser scribing of a perovskite photovoltaic module. The repairing method for the abnormal laser scribing of the perovskite photovoltaic module comprises the following steps: acquiring space information of an abnormal laser scribing position in a semi-finished product of the perovskite photovoltaic module to be detected, the spatial information of the abnormal laser scribing position comprises a channel of the abnormal laser scribing position, an abnormal center point coordinate of the abnormal laser scribing position and an abnormal size of the abnormal laser scribing position; and based on the spatial information of the laser scribing abnormal position and a to-be-repaired film layer area determined by the spatial information of the laser scribing abnormal position, performing laser repair on the to-be-repaired film layer area to obtain a repaired perovskite photovoltaic module semi-finished product. According to the method provided by the invention, laser repair is carried out on the region with abnormal laser scribing in the semi-finished product of the perovskite photovoltaic module, so that the stability of the perovskite photovoltaic module and the yield of the product are improved.
Owner:XIAN TJ-SOLAR NEW ENERGY CO LTD

Laser scribing method and device for perovskite thin-film solar cell

A laser scribing method for perovskite thin-film solar cells is provided, in which a linearly polarized Gaussian beam is emitted by a laser, and converted into a circularly polarized beam through a quarter-wave plate. The circularly polarized beam is expanded to a target diameter by a beam expander system to obtain a target expanded beam. The target expanded beam is adjusted by an optical path adjustment system to enter a diffractive optical element (DOE) shaping module for beam shaping to obtain a shaped beam. The shaped beam is focused by an optical focusing module to obtain a focused beam with the focus on a surface film of a to-be-processed product, and the to-be-processed product is moved such that a groove is scribed thereon. A laser scribing device is also provided.
Owner:SHENZHEN QINGHONG LASER TECHNOLOGY CO LTD

High-transmittance perovskite battery structure and manufacturing method thereof

The invention discloses a high-transmittance perovskite cell structure and a manufacturing method thereof, and the structure comprises front plate glass which is provided with a light-in surface and a light-out surface which are opposite to each other, and the light-out surface is provided with a plurality of protrusions; the transparent conductive layer is arranged on the light emitting surface; p1 laser scribing is carried out, and the transparent conductive layer is cut off; the first charge transport layer is arranged on the transparent conductive layer; the perovskite cell layer is arranged on the first charge transport layer; the second charge transport layer is arranged on the perovskite cell layer; p2 laser scribing is carried out to cut off the second charge transport layer, the perovskite cell layer and the first charge transport layer; the back electrode layer is arranged on the second charge transmission layer, is filled into the P2 laser scribing channel and is electrically connected with the transparent conductive layer; p3 laser scribing is carried out to cut off the back electrode layer, the second charge transfer layer, the perovskite cell layer and the first charge transfer layer; the bus bar is used for connecting the perovskite cell layers separated by the bulges in parallel; packaging the adhesive film; back plate glass; and the butyl rubber is arranged between the front plate glass and the back plate glass and is used for isolating external water vapor.
Owner:FENGYANG SILICON VALLEY INTELLIGENCE CO LTD

Laser scribing control method and device

The invention provides a laser scribing control method and device, which is applied to the technical field of laser processing, and comprises the following steps: acquiring a plasma spectral image generated by laser breakdown of a material when laser scribing is performed on a to-be-processed multi-layer composite material based on a configured spectrograph; the collected plasma spectrogram image is analyzed, and the current laser scribing level is determined; and performing laser scribing control based on the determined current laser scribing level. Namely, the current laser scribing level is determined according to the plasma spectral image generated by the laser breakdown material collected by the spectrograph, and the laser scribing control is performed according to the determined current laser scribing level, so that the condition of excessive or insufficient laser scribing can be prevented.
Owner:INST OF LASER MFG HENAN ACAD OF SCI

Perovskite cell laser scribing vibration suppression system

The embodiment of the invention provides a perovskite battery laser scribing vibration suppression system, which comprises a laser device, a vibration suppression device and a vibration suppression device, the light splitting module is arranged on an emergent light path of the laser and divides the processing laser beam into a transmission light path and a reflection light path; the galvanometer system receives the laser of the transmission light path and controls the deflection direction of the laser; the high-speed optical sensor is used for receiving the laser of the reflection light path and detecting the position offset of a light spot in real time; the pre-distortion compensation module is used for generating a compensation signal based on the offset; and the dynamic delay synchronization unit is used for synchronizing the processing signal and the compensation signal. According to the system, a self-feedback light path is formed by differentiating laser beams, so that processing and detection functions are separated, and vibration can be effectively suppressed.
Owner:LECHENG INTELLIGENT TECH (SUZHOU) CO LTD

Complete removal device for back plate of photovoltaic module

The invention relates to a photovoltaic module backboard complete removal device. The photovoltaic module backboard complete removal device mainly comprises a heating unit, a laser scribing cutting unit, a scraper knife clamping unit and a push rod separation unit. When the device works, the heating unit is firstly started to heat and soften an adhesive film, the laser scribing and cutting unit performs laser scribing and cutting on a photovoltaic back plate from the short edge of a photovoltaic laminated piece without a frame and a junction box after heating, the lower clamp claw is shoveled in from a cutting position after scribing and cutting are completed, and the photovoltaic back plate is clamped and pressed in cooperation with the clamp claw after shoveling in. After clamping, the whole scraper knife clamping unit moves upwards and is lifted, then the push rod enters the included angle between the photovoltaic back plate and the glass face, abuts against the photovoltaic back plate and then continues to advance, and stripping of the photovoltaic back plate is accelerated. Compared with the prior art, the device provided by the invention has the advantages that the tearing action can be disassembled into a horizontal pushing direction and a vertical lifting direction, so that the back plate can be uniformly stressed, and the integrity of the back plate is ensured to the greatest extent.
Owner:JIAXING RES INST ZHEJIANG UNIV +2

Intelligent cutting equipment for display screen production

The invention relates to the field of display screen production, in particular to intelligent cutting equipment for display screen production. Comprising a console and a laser transmitter. And a laser transmitter is mounted on the console. According to the laser scribing device, the function of synchronously cracking after laser scribing is achieved, and the specific process is that when a laser transmitter resets after scribing is completed, an electric push rod drives a cutting head to move downwards, so that the cutting head makes contact with a stress groove formed after scribing cutting, and then when the laser transmitter moves and resets, the cutting head is driven by the electric push rod to move downwards; the mechanical force is applied to the formed laser cutting stress groove through the cutting head, so that the laser cutting stress groove is completely cracked, splitting is achieved, and the problems that in traditional display screen cutting, due to the fact that laser scribing and mechanical splitting serve as independent working procedures, the machining efficiency is low, and damage is likely to be generated in secondary alignment and machining are solved.
Owner:JIANGXI XINZHIJING PHOTOELECTRIC CO LTD

Laser scribing control method, electronic equipment, storage medium and program product

The embodiment of the invention provides a laser scribing control method, electronic equipment, a storage medium and a program product, and the method comprises the steps: obtaining a first image of a target workpiece, and determining the workpiece information of the target workpiece and a target path on the target workpiece according to the first image; according to the workpiece information, the laser emitting assembly is controlled to conduct scribing on the plating layer along the target path; acquiring a second image of the target workpiece, and determining a quality detection result of the lineation on the coating according to the second image; and under the condition that the lineation quality detection result does not meet the lineation requirement, the laser emitting assembly is controlled to lineate again along the target path until the lineation quality detection result meets the lineation requirement. The scribing result is monitored in real time, repeated scribing is conducted in combination with the scribing result, and the precision of the final scribing result is improved; and the subsequent repeated scribing is used as the supplement of the first scribing, so that the power of the first scribing can be properly reduced, the substrate is prevented from being damaged, and the scribing success rate is improved.
Owner:SIC MARKING (SHANGHAI) CO LTD

Perovskite cell packaging method, perovskite cell packaging structure and perovskite solar thin film cell assembly

The invention relates to the technical field of solar cells, and particularly discloses a perovskite cell packaging method, a perovskite cell packaging structure and a perovskite solar thin film cell module. The invention discloses a perovskite cell packaging method. The method comprises the following steps: S1, carrying out first P4 laser scribing and edge cleaning on a perovskite cell core structure; s2, depositing a water vapor barrier layer on the perovskite cell core structure for first packaging, and after packaging is completed, performing laser scribing; s3, carrying out secondary laser scribing and edge cleaning; and step S4, covering the water vapor barrier layer with an adhesive film for second packaging, and after packaging is completed, covering back plate glass to obtain the perovskite battery assembly. The invention provides a packaging method of a perovskite cell, which can enable the perovskite cell to have a multi-layer packaging structure, effectively improves the sealing performance of the edge of the cell, and solves the problem that the stability of the cell is reduced due to the fact that an existing perovskite cell is easy to be invaded by water and oxygen due to poor sealing performance of the edge.
Owner:JIANGSU LEADING ADVANCED EQUIP TECH CO LTD

Interface regulation and control method for inhibiting electrode failure of perovskite device

The invention relates to the technical field of solar cells, in particular to an interface regulation and control method for inhibiting electrode failure of a perovskite device, which comprises the following steps: (1) cleaning a transparent conductive layer with P1 laser scribing to obtain a clean transparent conductive substrate; sequentially preparing a first carrier transport layer, a perovskite layer and a second carrier transport layer on the transparent conductive substrate from bottom to top, and then performing P2 laser scribing; (2) preparing an interface buffer layer on the second carrier transport layer; and (3) depositing a metal electrode on the interface buffer layer and then carrying out P3 laser scribing. According to the regulation and control method, through preparation of a core interface buffer layer and full-flow process regulation and control, an optimized nucleation interface is provided for metal electrode densification and film formation, and the electrode deposition quality is improved; meanwhile, good energy level matching of the carrier transport layer and the metal electrode is achieved, interface ion migration and diffusion are restrained, and the problems of thin film splashing and edge curling in the laser scribing process are solved.
Owner:WUXI YONGJIA LIGHT ENERGY TECHNOLOGY CO LTD

Detection method of electrochromic assembly, electrochromic assembly and glass product

The invention belongs to the technical field of electrochromic product detection, and discloses a detection method of an electrochromic assembly, the electrochromic assembly and a glass product, the surface of the electrochromic assembly is provided with a laser scribing groove, the detection method comprises the following steps: S100, selecting a first conductive contact point and a second conductive contact point on the surface of the electrochromic assembly, the first conductive contact point and the second conductive contact point are located on the two sides of the laser scribing groove respectively. And S200, a resistance value between the first conductive contact point and the second conductive contact point is detected, whether the resistance value is larger than a first preset value and smaller than a second preset value or not is judged, if yes, it is judged that the scribing depth of the laser scribing groove meets the requirement, and if not, it is judged that the scribing depth of the laser scribing groove does not meet the requirement. The detection efficiency is high, product attributes are not affected in the detection process, the detection result is rapidly obtained, production line monitoring in the production process is facilitated, and the production requirement of the electrochromic assembly is met.
Owner:ZHEJIANG JINGSHENG FILM TECH CO LTD +1

Solar cell and preparation method therefor, electric apparatus, and power generation apparatus

PCT designated stageWO2026061092A1Insulating bodiesElectrical batteryLaser scribing
The present application provides a solar cell and a preparation method therefor, an electric apparatus, and a power generation apparatus. The solar cell comprises a first electrode, a functional layer, and a second electrode that are sequentially stacked, and a P3 groove formed through the second electrode and the functional layer, wherein the surface of the side of the second electrode away from the functional layer, and the surfaces of the inner wall and the bottom end of the P3 groove are covered with an insulating layer, and the resistance value of the insulating layer ranges from 2,000 Ω to 108 Ω. The insulating layer can reduce the short circuit caused by the contact between burrs formed by laser scribing of the second electrode and the first electrode, thereby improving the photoelectric conversion efficiency of the solar cell.
Owner:CONTEMPORARY AMPEREX TECHNOLOGY CO LTD

High-yield low-capacitance TVS diode packaging process

PendingCN121843510ACapacitanceSputtering
The invention provides a high-yield low-capacitance TVS (Transient Voltage Suppressor) diode packaging process, which comprises the following steps: S1, back metallization: a sputtering table is adopted, the thickness of Ti / Ni / Ag is 50 / 200 / 800nm, and the back temperature is lt; the contact resistance is less than or equal to 0.05 m omega.mm < 2 > and the resistance is gt; 0.08, sputtering again; s2, wafer thinning and stress release are carried out; s3, front passivation / low-k dielectric layer preparation; s4, preparing an aluminum-copper bump; s5, performing laser scribing; s6, inversely mounting a patch; s7, performing vacuum reflow soldering; s8, plasma cleaning and plasma underfilling are carried out; and S9, laser marking is carried out. According to the process, five contradictions of'extreme low capacitance, extreme yield, low temperature drift, zero cavity and green manufacturing 'are simultaneously grounded in the same package, so that the TVS device really meets the dual requirements of a 40Gbps high-speed interface and a vehicle gauge for the first time.
Owner:ZOHE ELECTRONIC TECH CO LTD

Laser scribing equipment

The utility model discloses a laser scribing device which comprises a working table, a support installed on the working table, an infrared laser assembly and a green laser assembly which can be independently in sliding fit with the support, and a carrying table in sliding fit with the working table. Wherein the sliding directions of the infrared laser assembly and the green laser assembly are perpendicular to the working surface of the carrying table, and the infrared laser assembly and the green laser assembly are used for adjusting the position of a focal plane; the carrying table is used for carrying a product and can be controlled to move to the position matched with the output end of the infrared laser assembly or the output end of the green laser assembly. When the laser scribing equipment is used, the infrared laser assembly and the green laser assembly are independently controlled to move along the working surface perpendicular to the carrying table, and the focal plane positions of the corresponding assemblies can be accurately adjusted, so that operation steps can be simplified, and four laser scribing procedures of P1, P2, P3 and P4 of solar cells can be efficiently completed in a matched mode.
Owner:SUZHOU MAIKEXINNA INTELLIGENT TECH CO LTD

Transparent conductive glass and perovskite thin film battery assembly

The utility model discloses transparent conductive glass and a perovskite thin film battery assembly. The transparent conductive glass comprises a transparent substrate, the transparent substrate is provided with a first surface and a second surface which are opposite, and a first direction and a second direction which are perpendicular to each other, a plurality of grooves extending in the second direction are formed in the second surface in parallel, and diffuse reflection patterns are arranged at the bottoms of the grooves; and the transparent conducting layer is stacked on the non-groove area on the second surface and stacked on the bottom and at least one side wall of the groove so as to form a continuous or discontinuous transparent conducting layer structure in the first direction. When the transparent conductive glass disclosed by the utility model is used for manufacturing a perovskite thin film battery assembly, the laser scribing passes can be obviously reduced, so that the process is simplified, and the ablation damage to the perovskite thin film battery caused by multiple laser scribing is avoided, thereby reducing the dead zone area; the stability and the power generation efficiency of the assembly are improved; and the service life of the assembly is prolonged.
Owner:CHANGZHOU ALMADEN

Solar thin film cell laser scribing detection and repair system and method

The invention relates to the technical field of solar thin film cell manufacturing, and provides a solar thin film cell laser scribing detection and repair system and method. Aiming at the problems of lack of probe contact verification, low detection efficiency and asynchronous repair in the prior art, the system comprises a loading and unloading module, a probe module, a state detection circuit, a cross measurement circuit and a repair unit. The method comprises the steps of substrate transfer and fixation, probe contact, state detection, cross measurement and defect repair. Detection-positioning-repairing integration is realized through modularization cooperation, the detection accuracy and efficiency and the battery yield are improved, and the method is suitable for large-scale production of solar thin film batteries.
Owner:SHENZHEN QINGHONG LASER TECHNOLOGY CO LTD