46results about How to "Avoid chromatic aberration" patented technology

The utility model discloses a loose fiber acid dyeing device, and relates to the technical field of loose fiber dyeing. The device comprises a base, a supporting frame is fixedly connected to the top of the base, a controller is fixedly connected to one side of the supporting frame, a dyeing barrel is fixedly connected to the top of the base, a supporting plate is installed in the dyeing barrel, a yarn cage is installed at the top of the supporting plate, and a central liquid drainage pipe is fixedly connected to the interior of the dyeing barrel. According to the yarn cage, the dewatering assembly is arranged, after loose fiber dyeing is finished, a valve can be opened to discharge internal dyeing liquid from a liquid outlet, then the dewatering assembly is started to descend, the loose fibers in the yarn cage are extruded through the dewatering assembly, water in the loose fibers is extruded out, and preliminary dewatering is carried out; and meanwhile, subsequent treatment is facilitated, the subsequent treatment time is shortened, and the practicability of the device is greatly improved.

The invention provides a color glazed glass toughening heating section temperature gradient control method, device and equipment and a medium, belongs to the field of electric digital data processing, and is used for controlling a preset toughening furnace. Comprising the following steps: acquiring to-be-heated colored glazed glass; respectively measuring glass parameters, toner parameters, glass powder parameters and screen parameters corresponding to the colored glazed glass; obtaining target information after the colored glaze glass to be tempered is tempered; the target information comprises target flatness and target glaze ripeness; generating production information corresponding to the colored glazed glass according to the glass parameters, the toner parameters, the glass powder parameters and the screen printing plate parameters; generating control information corresponding to the toughening furnace according to the production information and the target information; the control information comprises preheating control parameters, heating control parameters and soaking control parameters; and controlling the toughening furnace according to the preheating control parameter, the heating control parameter and the soaking control parameter in sequence to realize temperature gradient control of the toughening heating section of the colored glazed glass.

The application relates to the technical field of cloth printing and dyeing, and particularly relates to a dye recovery type industrial textile cloth printing and dyeing device. The device comprises a printing and dyeing shell, a fixed frame fixedly connected in the printing and dyeing shell, a sliding frame slidingly connected to the fixed frame, a fixed rod fixedly connected to one side of the sliding frame, two limiting blocks slidingly connected to one side of the fixed frame, a sliding rod slidingly connected to one side of the fixed frame, two guide rollers rotatably connected to one side of the fixed frame and one side of the sliding frame, two sliding blocks slidingly connected to the fixed frame and the sliding frame, and extrusion rollers rotatably connected between the two sliding blocks on the same side. The two extrusion rollers reciprocally move to reciprocally extrude the cloth, remove the tiny bubbles in the cloth, make the dyeing liquid completely immerse in the cloth, prevent the dyed cloth from having color difference or spots, and ensure the appearance quality of the final dyed cloth.

The utility model discloses a cloth dyeing machine for dyeing and finishing, which comprises a base, two side plates are fixedly arranged at one end of the base, a coiling roller is rotatably arranged between the two side plates, the coiling roller is rotatably arranged on the side plates through a rotating rod, a motor is fixedly arranged on the side plate on one side, and a motor is fixedly arranged on the other side of the side plate. The rotating rod on one side rotatably penetrates through the side plate and is fixedly connected with the output end of a motor, cloth is wound on the winding roller, one end of the cloth is laid and passes through the base, a top plate is fixedly arranged on the base, the top plate is fixedly arranged on the base through two fixing rods, and a dyeing plate is fixedly arranged on the lower wall of the top plate; the dyeing plate is tightly attached to the cloth, and a dye adding mechanism corresponding to the dyeing plate is arranged on the top plate. The dye adding device can continuously add dye to the dyeing plate along with moving and conveying of cloth, it is guaranteed that the passing cloth can be fully dyed, and the quality of finished products is guaranteed.

The invention discloses cotton fiber circulating bleaching and dyeing equipment and a bleaching and dyeing method, and relates to the technical field of fiber bleaching and dyeing, cotton fibers are connected to the surfaces of a first winding roller and a second winding roller in a sleeving manner and are filtered through a plurality of filtering holes in a moving table, and filtered dye is uniformly sprayed on the cotton fibers through a spraying head at the bottom, so that spraying and dyeing are realized; if the height of the dye in the working box is greater than the height of the cotton fiber, dip dyeing is carried out, if not, spray dyeing can be carried out, the first winding roller and the second winding roller synchronously move, so that the fiber moves back and forth between the two rollers and is fully extended, and the extended fiber passes through the extrusion assembly and is extruded by the extrusion assembly; wherein the extrusion plates are close to each other under the action of the coil springs to extrude redundant dye in fibers, so that the adaptability of a production line is improved, uniform extension and dyeing consistency of the fibers in the processing process are ensured through the synergistic effect of the components, chromatic aberration and color spots are avoided, the quality stability of products is ensured, and the production efficiency and quality are improved.

The invention relates to the technical field of laser processing, and discloses a laser processing machine and a laser processing method for diamond composite plane teeth, and according to the laser processing method, through cooperative work of a scanning galvanometer module and a machine tool mechanical shaft, the possibility of overlapping of processing paths is reduced, and the problem of chromatic aberration caused by overlapping of the processing paths is avoided. The scanning galvanometer module is used for controlling the position of the laser focus, the laser cutting path can be controlled more accurately, and therefore the machining precision is improved, the problem caused by the fact that the feeding precision of a mechanical shaft is not high in a traditional single-point machining mode is solved, the risk of excessive cutting filling is reduced, and the cutting quality in the machining boundary is ensured. According to the laser processing machine, the diamond composite plane tooth is processed by adopting the laser processing method, the processing boundary is clear, and the problems of excessive cutting filling and color difference are avoided.

The invention relates to the technical field of ink, and discloses a preparation method of environment-friendly water-soluble engraved gravure ink, which comprises the following steps: placing porous short fibers in water, adding a surfactant, heating to 40-60 DEG C, and stirring to obtain a suspension; adding pigments into the turbid liquid in batches, fully stirring, standing, filtering, and drying the filtered material to obtain porous short fibers filled with the pigments; the preparation method comprises the following steps: selecting polyethylene glycol with a melting point of 35-60 DEG C, heating to melt, adding porous short fibers, slowly stirring, filtering, dispersing the porous short fibers, cooling at normal temperature, and slowly stirring and mixing with an anhydrous ink binder to prepare ink slurry; uniformly mixing water and an auxiliary agent to prepare a water-based diluent; before spraying, the ink slurry and the water-based diluent are mixed and are sprayed after being fully ground. According to the invention, the nano pigment is blocked in the porous short fiber, the pigment in the ink paste cannot diffuse out from surface micropores of the porous short fiber, and the porous short fiber is stably dispersed, so that the problem of pigment agglomeration and precipitation is avoided.

This invention relates to the field of medical image processing technology, and proposes an intelligent method for color calibration of dental photographs and an automatic color selection system for prostheses. The method includes: receiving an oral image containing a shade guide and teeth; identifying the shade guide and target teeth in the oral image; obtaining the distorted color value of the shade guide; constructing a color difference conversion model based on the distorted color value and pre-stored standard color values ​​of the shade guide; and performing color correction on the target teeth in the oral image based on the color difference conversion model to obtain a corrected image. This invention solves the problem of tooth color distortion in oral images.

The utility model relates to the technical field of injection molding cooling devices, in particular to a mold double-layer cooling device capable of eliminating injection molding defects, which is technically characterized by comprising a fixed part and two groups of cooling structures positioned on the fixed part, the two groups of cooling structures are respectively an upper-layer cooling circulation loop and a lower-layer cooling circulation loop, the upper-layer cooling circulation loop comprises an F groove, the F groove is a semicircular ring and is positioned in the middle position of the fixed part in the height direction, and the two ends of the annular groove are respectively used for feeding and discharging cooling water; the lower-layer cooling circulation loop comprises a groove B, the groove B is located at the bottom of the fixing part and surrounds the fixing part, and the two ends of the groove B are not communicated and are used for cooling water to enter and exit respectively. The design of double-layer cooling water ways is adopted, the cooling water ways are independent, the temperature difference between an inlet and an outlet is small, and the cooling area and efficiency are greatly improved.

The utility model discloses a polishing device for wear-resistant flat glaze ceramic tiles, which relates to the technical field of ceramic tile polishing, and comprises a polishing structure, a fixed plate and a rotating shaft rotationally arranged in the fixed plate, the dust collection structure comprises a sealing piece movably connected to the surface of the rotating shaft, a dust collection assembly fixed to the sealing piece, and an auxiliary assembly fixed to the surface of the rotating shaft and located in the sealing piece; the sealing piece comprises a left sealing shell rotating on the surface of the rotating shaft and a right sealing shell rotating on the surface of the rotating shaft. According to the utility model, the dust absorption amount is increased through the dust absorption taper holes, the dust amount in the air around the working environment is reduced, and the dust attached to the surface of the ceramic tile can be reduced, so that the surface quality of the polished ceramic tile is improved, the suspension amount of the dust in the working environment is reduced, and the threat of the dust to the health of operators is reduced.

The invention relates to an integrated coating method and system, a composite workpiece and an automobile, a dual-curing coating system is adopted and matched with a light curing process, so that structural parts with different heat resistance can be collinearly sprayed and cured, part color difference caused by independent processing and heat treatment environment difference is effectively avoided, the process period can be greatly shortened, and the production efficiency is improved. The occupied area and the investment cost of a production line are saved, the energy consumption level and the greenhouse gas emission are remarkably reduced, a photocured workpiece can be subjected to a non-illumination-driven secondary cross-linking reaction after being separated from an irradiation environment, and a finally formed paint film has excellent overall hardness and scratch resistance; the paint is especially suitable for links of finished automobile manufacturing, aftermarket paint surface repairing and the like, and can effectively guarantee and prolong the appearance quality of the automobile used in a daily complex environment.

The utility model relates to the technical field of suspended ceilings, and discloses a mounting structure of a stainless steel suspended ceiling, which comprises a top wall, a side wall connected with the side of the top wall and a suspended ceiling mounted on the top wall, and a hanging mounting mechanism used for mounting the suspended ceiling is arranged on the bottom end surface of the top wall; the hanging installation structure comprises a plurality of layers of hanging rod sets which are distributed up and down and are arranged on the two opposite side walls close to the top wall, each layer is provided with a plurality of parallel hanging rod sets, each hanging rod set comprises two parallel connecting rods, a plurality of hanging rods distributed at equal intervals are arranged between the two connecting rods, and the hanging rods are connected with the hanging rod sets. Wherein a hanging plate is hung on two adjacent hanging rods, a locking bolt is arranged on the hanging plate, and the bottom end part of the hanging plate is connected with a suspended ceiling; according to the suspended ceiling installation structure, the height can be adjusted according to the use condition, so that the height of a suspended ceiling can be adjusted, the applicability of the suspended ceiling installation structure is improved, and the stability after installation is high.

The utility model discloses a stirring and fusing device for toner processing, which comprises a stirring machine, the top side of the stirring machine is fixedly connected with a cover plate, the top side of the cover plate is provided with a motor, the driving end of the motor is fixedly connected with a rotating shaft, and the rotating shaft is fixedly connected with a rotating shaft. Stirring blades are fixedly connected to the outer wall of the rotating shaft, a first sieve plate is fixedly connected to the inner wall of the stirring machine, an observation pipe is fixedly connected to the right side of the stirring machine, a piston is slidably connected to the right side of the observation pipe, a water outlet is formed in the bottom end of the stirring machine, and a drainage pipe is fixedly connected to the interior of the water outlet; a filter screen is arranged on the left side of the drainage pipe, a water storage barrel is arranged on the left side of the stirrer, and a water inlet is formed in the bottom side of the water storage barrel. According to the utility model, sampling observation of a pigment stirring and fusing process is realized, pigments can be added in time, the working efficiency is improved, chromatic aberration caused by fusing of different toners is avoided, waste of water is reduced, and reutilization is realized.

This utility model discloses a material filtering device for an injection molding machine, including a filter cylinder. The filter cylinder has multiple inclined filter screens arranged from top to bottom inside. The filter cylinder has a standard material outlet that connects to the bottom of the lowest filter screen, and the standard material outlet is connected to a vertically downward feeding pipe. The bottom of the filter cylinder has a suction pipe, and the top of the filter cylinder has a strip-shaped feed inlet. Ionizing air bars are installed on both sides of the feed inlet in the upper part of the inner cavity of the filter cylinder. The suction pipe is connected to an external negative pressure fan. This utility model uses ionizing air bars to generate ions to eliminate static electricity in the plastic particles, thus preventing fine particles and dust from adhering to the plastic particles and mixing into the injection molding machine. The negative pressure adsorption also removes dust and debris generated during the collision of the plastic shell, preventing fine particles from causing uneven melt flow or surface pitting.

The application discloses a notebook shell identification stamping forming device and belongs to the technical field of notebook shell production and processing. The device comprises an upper die assembly, a lower die assembly, a first identification assembly, a second identification assembly and a rib member. The first identification assembly is arranged on the upper die assembly. The second identification assembly is arranged on the lower die assembly. The first identification assembly comprises one or more first identification blocks. The rib member is provided with one or more. The second identification assembly comprises one or more second identification blocks. One end of the first identification block protrudes from one side of the upper die assembly and the lower die assembly. The rib member is arranged on one side of the second identification assembly facing the upper die assembly, and the rib member is arranged in a circumferential direction along the edge of the second identification block and the first identification block. The rib member protrudes in the direction of the upper die assembly. The above technical scheme has the advantages of high processing efficiency and avoidance of the formation of an R corner at the top edge of the identification area on the shell.

The invention discloses a preparation method of a floating-point four-way stretch fabric containing ecological wool and bio-based nylon blended yarns. The preparation method comprises the following steps: yarn selection and matching: warp yarns: bio-based nylon coated spandex yarns; the weft yarns A are bio-based nylon coated spandex yarns; the weft yarns B are bio-based nylon dot net composite filaments; weft yarns C are blended yarns of wool and bio-based nylon; weaving: weaving according to design requirements by adopting selected yarns to obtain a floating-point four-way stretch fabric; and dyeing and finishing: sequentially carrying out open-width cold batch, pre-setting, dyeing and final setting on the obtained floating-point four-way stretch fabric to obtain the floating-point four-way stretch fabric. The bio-based nylon is added into the fabric, so that the rebound resilience is enhanced, and the floating-point four-way elastic structure endows the fabric with good elasticity and extensibility in all directions, so that the fabric can quickly restore to the original shape after being stretched, and good appearance and shape are kept.

The utility model discloses an atomizing paint spraying device for advertisement manufacturing, which comprises a connecting seat, an air cavity fixedly connected to the upper surface of the connecting seat, a shaft seat fixedly connected to the interior of the connecting seat, a rotating rod rotatably connected to the interior of the shaft seat, a wind wheel fixedly connected to one end of the rotating rod, and a stirring head fixedly connected to the other end of the rotating rod. The lower surface of the connecting base is detachably connected with a storage tank, the outer surface of the connecting base is fixedly connected with an extension pipe, and the bottom of the handle is fixedly connected with a first air connecting nozzle and a second air connecting nozzle. High-pressure gas passes through two paths through a first gas connecting nozzle and a second gas connecting nozzle, one path enters a wind cavity to rotate a wind wheel, and a stirring head is rotated through a rotating rod, so that paint in a storage tank is in a fully mixed state, color difference caused by non-uniform stirring in use of the paint storage tank is effectively avoided, and the working efficiency of the paint storage tank is improved. And the other path of water is sprayed out from the spray head through the extension pipe, so that the atomization effect during paint spraying is enhanced.

The invention relates to the technical field of water-based anticorrosive coatings, and discloses a water-based anticorrosive coating which comprises the following components: 50-60 parts of modified water-based polyurethane, 10-30 parts of acrylic polyurethane, 10-15 parts of a coalescing agent, 30-35 parts of a defoaming agent, 9-18 parts of a flatting agent, 11-20 parts of ferrotitanium powder and 7-16 parts of an ultraviolet light absorber, and further comprises application of the water-based anticorrosive coating in corrosion prevention of automobiles. Comprising the following steps that firstly, a to-be-sprayed steel plate is taken, oil stains on the surface of the steel plate are cleaned away through alcohol, after the steel plate is wiped dry through absorbent gauze, oxide on the surface is polished and removed through abrasive paper for use; by adding the ferrotitanium powder and the preservative, the coating is good in adhesive force, extremely high in shielding effect and excellent in corrosion resistance, damage to automobile parts caused by high temperature can be reduced through cooperation of the modified waterborne polyurethane and the acrylic polyurethane coating, and the problem that the automobile parts are prone to rusting is solved.

The utility model discloses an optical module with three lens groups, which comprises a first lens group, a movable second lens group and a movable third lens group, the first lens group, the second lens group and the third lens group are arranged on one side of an imaging end face from far to near, and the intersection point of incident light is focused on the imaging end face; in the zooming adjustment, the second lens group is moved to realize zooming, and meanwhile, the third lens group is slightly moved to realize focusing compensation, and the focal length deviation of the light focused on the imaging end surface is dynamically adjusted; the long focal length of the optical module is ft, the short focal length of the optical module is fw, the total length of the optical module is TTL, and the back focal length of the optical module is B. The relation among the long focal length, the short focal length, the total length and the back focal length of the optical module meets the following conditions: (1) 2.8 lt; f < t > / f < w >; 3.5); (2) 2.5 ftt; tlt; 2.8 ft; (3) 3fw / 4lt; blt; ft / 3; (4) TTL / ftlt is carried out; 2.8); (5) 0.7 lt; b / fwlt; and 0.8.

The utility model belongs to the technical field of electron beam radiation color changing for diamond cultivation, and particularly relates to an intermittent uniform irradiation device for electron beam radiation color changing for diamond cultivation, which comprises two parallel cross beams and a water tank positioned above the cross beams, slide block tracks are arranged on the cross beams, slide blocks matched with the slide block tracks are arranged at the bottom of the water tank, and the slide blocks are arranged on the slide block tracks. The top face of the water tank is sunken downwards to form a cargo carrying groove, a water tank containing cavity is formed between the cargo carrying groove and the wall face of the water tank, a water inlet and a water outlet are formed in the two opposite sides of the water tank respectively, the two side walls of the water tank are each provided with a sliding rocker mechanism, and the two sliding rocker mechanisms are connected through a connecting shaft. According to the electron beam irradiation device, uniform irradiation of the same batch can be achieved, chromatic aberration is avoided, intermittent reciprocating irradiation through the center of the electron beam can be achieved, and the utilization rate of the electron beam is high.

The present invention discloses a graphite frame capable of improving the color difference within a cell, comprising a graphite frame, a plurality of neatly arranged workstation frames are arranged inside the graphite frame, a placement groove is provided on the workstation frame, a placement frame is fixedly connected to the inner walls around the placement groove, a protective frame is fixedly connected to the placement frame, and a gap for placing a battery cell exists between the inner ring of the protective frame and the inner ring of the placement frame, and the gap is tilted, and the tilt angle is 25°. The present invention arranges a protective frame on the placement frame, and the inner ring of the protective frame is tilted. When the battery cell is fixed on the placement frame, the distance between the inner ring side of the protective frame and the battery cell is increased, and the contact area between the battery cell and the protective frame is reduced, so as to achieve the effect of improving the color difference. A movable graphite pad is arranged in the protective frame, and the graphite pad is driven by a driving mechanism to slide and move away from the battery cell, so as to achieve the effect of further increasing the distance between the inner ring side of the protective frame and the battery cell, thereby achieving the effect of fully improving the color difference.

The invention discloses a handheld LIBS (laser-induced breakdown spectroscopy) double-channel light path analyzer, which belongs to the field of light path analyzers and comprises a laser, two parallel spectrometers are arranged on one side of the laser, and a test sample is arranged on one side of one spectrometer; an excitation light path is arranged between the test sample and the laser device, a first collection light path is arranged between the test sample and one spectrograph, a second collection light path is arranged between the test sample and the other spectrograph, and the excitation light path specifically comprises a first excitation light path lens arranged on the other side of the laser device and a second excitation light path lens arranged on the other side of the laser device; a second excitation light path lens is arranged on one side of the first excitation light path lens, the included angle between the first excitation light path lens and the laser is 15.05 degrees, and the included angle between the first excitation light path lens and the second excitation light path lens is 15.05 degrees. According to the invention, the signal acquisition efficiency can be improved so as to realize efficient acquisition, and chromatic aberration caused when LIBS signals are collected can be avoided.

The invention discloses a high-color-fastness washing-free imitation denim fabric and a preparation method thereof.The preparation method comprises the steps that 1, fibers are provided and dyed with dye to obtain dyed fibers, and the dyed fibers at least comprise dark-color dyed fibers and light-color dyed fibers; (2) spinning the dyed fibers obtained in the step (1) according to a certain mass ratio to obtain 6-12 yarns; (3) weaving the yarns obtained in the step (2) as warp yarns into cloth; the dyed fibers are at least dark-color dyed fibers and light-color dyed fibers, the dark-color dyed fibers are blue, brown or black, the light-color dyed fibers are correspondingly light blue, gray, white or colorless, the fabric does not need to be washed with water and has the characteristics of denim, and the denim fabric has the advantages of high color fastness, washing water resistance, high color fastness and the like. And the defect of jean splicing can be overcome.

The utility model discloses a RTF reverse copper foil non -treatment surface color uniformity processing device relates to electrolytic copper foil equipment technical field, including the tank body, is provided with conveying mechanism on the tank body, and the front side of tank body is provided with transmission mechanism, and transmission mechanism includes first cleaning roller, and first cleaning roller sets up at one side of tank body, and conveying mechanism is used for transmission mechanism rotation, and one side of tank body is provided with cleaning mechanism, and first cleaning roller is used for driving cleaning mechanism rotation, and cleaning mechanism includes two fixed frame, and fixed frame fixed connection is in one side of tank body near first cleaning roller. Advantageous effects lie in: the anode plate of the device will make the color of the non -treatment surface of copper foil more uniform, avoid appearing chromatic aberration, to adapt the product demand of high -end customer, and the continuous rotation of second cleaning roller and cleaning belt, and the surface of second cleaning roller is cleaned to cleaning belt, avoids the dust and dirt on second cleaning roller to produce the influence to the generation of copper foil, guarantees the quality of copper foil.

The present invention relates to the technical field of ink, and discloses a method for preparing an environmentally friendly water-soluble engraving gravure ink, which is operated as follows: placing porous staple fibers in water, adding surfactants, stirring after heating to 40-60°C, and obtaining a suspension; adding pigments to the suspension in batches, standing and filtering after sufficient stirring, drying the filtrate, and obtaining porous staple fibers filled with pigments; selecting polyethylene glycol with a melting point of 35-60°C, heating and melting, adding porous staple fibers, slowly stirring and filtering, dispersing the porous staple fibers, cooling at room temperature, and slowly stirring and mixing with anhydrous ink connecting materials to obtain ink slurry; mixing water and an auxiliary agent uniformly to obtain an aqueous diluent; mixing the ink slurry and the aqueous diluent before spraying, and spraying after sufficient grinding. The present invention blocks nano pigments in porous staple fibers, and the pigments in the ink slurry will not diffuse out from the surface micropores of the porous staple fibers, and the porous staple fibers are stably dispersed, thereby avoiding the problem of pigment agglomeration and precipitation.

The utility model belongs to the technical field of packaging boxes, and discloses a novel high-gram-weight slotted handmade small box, which comprises a surface sheet and a foxing strip, the interlayer structure of the surface sheet comprises a printing layer, a varnish layer, a PET (polyethylene terephthalate) film, an information layer, an aluminum plating layer and a paper base layer from top to bottom, the paper base layer is 300-400 grams of paperboard, a slot is arranged at the position of a crease on the back of the paper base layer, and the foxing strip is arranged on the surface sheet. The paper base layer is divided into a bottom face, an upper cover and side faces through the grooves, a square frame with the same size as the bottom face is formed after the surrounding strips are enclosed, and the surrounding strips are perpendicularly pasted on the grooves in the periphery of the bottom face. According to the utility model, the high-gram-weight face sheet is directly formed, so that the situation that an upper cover and a lower cover need to be adhered to the low-gram-weight face sheet to increase the hardness is avoided, consumables are reduced, and the cost is saved. A slotting process is adopted for creases of the surface sheet, forming is square, and edges and corners are stiff; the bottom of the surrounding strip is directly adhered to the open groove without side adhesion, so that the glue consumption is reduced, and the purposes of reducing cost and increasing efficiency are achieved.

The present invention discloses a method for monitoring large-scale and long-time series of surface exposure rate based on GEE cloud platform. Based on the remote sensing big data of GEE cloud platform, through satellite image band information calculation and denoising, a large-scale and long-time series of surface exposure rate monitoring method suitable for land remote sensing is constructed, and the monitoring results can be synchronized to the local area for mapping and analysis, providing data support for regional long-term ecological environment assessment. The present invention solves the problems of small spatial range, short time limit, difficult data integration, serious resource consumption, complicated processing flow, insufficient accuracy, low automation level, etc. in the previous bare surface monitoring process.

The invention discloses an electronic paper module. The electronic paper module comprises an upper waterproof film, an electronic paper film and a backboard circuit layer, the upper waterproof film is attached to the upper portion of the electronic paper film. The electronic paper film is attached to the upper portion of the backboard circuit layer. An ink layer is printed on the inner side of the upper waterproof film; the backboard circuit layer comprises a display area comprising a plurality of display units and a frame on the periphery of the display area; the ink layer comprises ink grids which are consistent with the display units on the backboard circuit layer in number and shape; the color of the frame of the printing ink grid is consistent with the color of a splicing seam formed when the two electronic paper modules are spliced; and the frame width of the printing ink grid is consistent with the width of the abutted seam. According to the invention, the display effect of the abutted seam can be improved.

The present application relates to the technical field of laser processing, and discloses a laser processing machine and a laser processing method for diamond composite plane teeth, wherein the laser processing method reduces the possibility of processing path overlap through the cooperative work of a scanning galvanometer module and a machine tool mechanical shaft, and avoids the chromatic aberration problem caused thereby. The scanning galvanometer module is used to control the position of the laser focal point, so that the laser cutting path can be more accurately controlled, thereby improving the processing precision, avoiding the problems caused by low mechanical shaft feeding precision in the traditional single-point processing mode, reducing the risk of excessive cutting filling, and ensuring the cutting quality within the processing boundary. The laser processing machine of the present application processes diamond composite plane teeth by using the above-mentioned laser processing method, so that the processing boundary is clear, and the problems of excessive cutting filling and chromatic aberration are avoided.

A solar cell includes a silicon substrate, a first passivation film, and a second passivation film. The silicon substrate includes a first surface, a second surface opposite to the first surface, and a side surface connecting the first surface and the second surface. The first passivation film is located on the first surface and completely covers the first surface. The second passivation film is located on the second surface and partially covers the second surface. The second passivation film extends from the periphery of the silicon substrate to the center of the silicon substrate to form an irregular ring. The passivation film is deposited on the first surface of the silicon substrate and is plated on the edge area of the second surface in a winding manner, and the problems of color difference of the back surface appearance, blackening of the EL edge and the like during preparation of the battery can be well solved by subsequently superposing the anti-reflection film on the second surface; meanwhile, the passivation film deposited on the second surface passivates defects such as holes and over etching on the edge of the second surface, so that the performance of the battery is improved. The utility model also provides a photovoltaic module comprising the solar cell.