44results about How to "Improve surface cleanliness" patented technology

The invention provides a thermoelectric refrigeration assembly cleaning tool and a cleaning method, and belongs to the technical field of semiconductor refrigeration device cleaning. The cleaning tool comprises a pressing plate, a positioning plate and a supporting net. The positioning plate is provided with a plurality of containing grooves with the two ends open and used for containing the thermoelectric refrigeration assembly. The pressing plate and the supporting net abut against the two sides of the positioning plate correspondingly and are used for blocking the containing groove so as to limit movement of the thermoelectric refrigeration assembly. According to the cleaning tool for the thermoelectric refrigeration assemblies, the multiple thermoelectric refrigeration assemblies can be clamped at a time, efficient and lossless batch cleaning is achieved, the labor intensity of workers is effectively reduced, and the cleaning efficiency and the cleaning quality are improved; according to the cleaning method, three times of ultrasonic cleaning operation and two times of rinsing operation are alternately carried out, impurities, scaling powder, residual glue and oxide on the thermoelectric refrigeration assembly are sequentially removed, each operation is independently carried out, the operation sequence is scientific and reasonable, and the surface cleanliness of the thermoelectric refrigeration assembly is effectively improved.

The invention discloses a cable surface water removal device for high-voltage electric power overhaul, and relates to the field of cable surface water removal, a water removal part comprises a moving ring, an inner cavity of the moving ring is rotatably connected with a central rotating shaft, and an inner cavity of the central rotating shaft is fixedly connected with a driving rod; a water removal shell is fixedly connected to the end, away from the central rotating shaft, of the driving rod, and a replacement mechanism is fixedly connected to the side, away from the driving rod, of the water removal shell. The sponge is extruded by the extrusion rods on the two sides, so that water is discharged, meanwhile, the water pump extracts the extruded water, the extension rod extrudes towards the direction of the sponge, the water in the center of the sponge is treated, the water in the sponge is cleaned more thoroughly, drying agents are arranged in inner cavities of the extrusion rods, and air and the water on the surfaces of the extrusion rods are treated. The heater evaporates a portion of the moisture.

The invention relates to the technical field of bearing vibration detection devices, in particular to a vibration detection device for a bearing. The vibration detection device for the bearing comprises a rack, a conveying mechanism, a three-axis driving platform and two symmetrically-arranged electronic dial indicators are installed on the rack, the conveying mechanism is used for batch conveying, preheating and dust removal of to-be-detected bearings, the three-axis driving platform is in transmission connection with a procedure rotary table, and a longitudinal detection seat is installed on the inner wall of the procedure rotary table in a sliding mode. The beneficial effects of the invention are that the to-be-detected bearing can move in multiple directions before detection through the vibration rotation motion of the to-be-detected bearing before detection, and the outer ring, the steel ball and the inner ring of the to-be-detected bearing can be fully vibrated and loosened; impurities in the to-be-detected bearing can be quickly shaken off, and condensed grease in the to-be-detected bearing can be fully softened, so that the influence of grease condensation and impurity adhesion on the vibration detection precision of the to-be-detected bearing is eliminated.

The invention provides a packaging device and method for packaging a plurality of microchannel plates. The packaging device comprises a base and an upper cover, wherein the base is used for bearing the microchannel plates, and the upper cover is used for pressing the base and sealing a microchannel plate containing area. The base is provided with a plurality of circular grooves which are used for placing the micro-channel plate and supporting the bottom of the micro-channel plate. A plurality of lug grooves are formed in the circular grooves in the circumferential direction and communicate with the circular grooves, and the lug grooves of any two adjacent circular grooves in the transverse direction and / or the longitudinal direction communicate with each other to form a pressing and embedding space when the upper cover is closed. The upper cover is provided with an embedding part which is pressed into the pressing embedding space to press the micro-channel plate. According to the packaging box, the damping effect during impact and vibration in the packaging and transporting process is guaranteed through double complementary type embedded matching, shaking is reduced, and meanwhile the situation that dust in the environment and pollutants generated in the packaging box enter the micro-channel plate containing area, the micro-channel plate is polluted, and consequently the surface cleanliness is reduced is effectively avoided.

The invention provides a method for cleaning rolling oil on an alloy of a mask, and relates to the technical field of fine metal masks. The cleaning method for the rolling oil on the alloy of the mask plate comprises the following steps: pre-cleaning the invar alloy; the invar alloy is subjected to heat treatment after being cleaned, and the heat treatment temperature does not exceed 450 DEG C; and after heat treatment is completed, the cooled invar alloy is subjected to ultrasonic cleaning and then subjected to alkali washing, water washing, acid pickling and water washing, and then the cleaned invar alloy is dried. The technical effect of cleaning the rolling oil on the invar alloy is achieved.

The present invention discloses a device for solving the burr problem of circular holes in laser cutting of automobile plates, which relates to the technical field of laser cutting and comprises: a processing clamping unit, which comprises a frame; a laser processing unit, which is arranged on the surface of a movable plate, and comprises a laser rod, the bottom of which is fixedly connected with a cutting head, and the surface of which is rotatably sleeved with a sealing column cavity. The rotary control member is started, so that the rotary control member drives the sealing column cavity to rotate on the outside of the laser rod through a synchronous belt and a synchronous wheel, and then the cutting head is combined with the moving cutting when the sealing column cavity rotates, so that when the cutting head transfers the cutting circle to form a circular hole, the laser rod drives the rotating sealing column cavity clamped on its surface to move, so that the inclined shovel block on the inner side of the sealing column cavity can remove the molten metal sealed by the sealing column cavity during the rotating movement, thereby reducing the volume of the molten metal and the formation of burrs.

The utility model relates to cleaning equipment, and relates to the technical field of fiber yarn auxiliary production equipment. The cleaning equipment comprises a containing structure used for containing a plurality of workpieces, a supporting assembly is arranged in the containing structure, and the supporting assembly is used for supporting the workpieces and enabling the workpieces to be arranged at intervals; the cleaning device comprises at least one cleaning mechanism used for cleaning the workpieces in the containing structure; the drying mechanism is arranged on one side of the cleaning mechanism and used for drying the cleaned workpieces in the containing structure; and the transferring device is arranged above the cleaning device and is used for moving the accommodating structure subjected to workpiece cleaning from the cleaning mechanism to the drying mechanism. According to the cleaning equipment, workpieces can be effectively cleaned, the service life of the workpieces is effectively prolonged, the product quality and the stability of the production process are guaranteed, the labor intensity of workers is reduced, and the cleaning effect is improved.

The utility model discloses a cold rolling mill entrance side plate face residual foreign matter cleaning device, including the support plate between the installation of coiled material and rolling mill, the support plate is located the downside of rolling mill entrance side strip, the upper surface of support plate near coiled material one end is installed with the guide roller, the upper surface of support plate near rolling mill one side is installed with the thickness gauge support, and support plate near the upside rotation of thickness gauge support part is provided with the air curtain board, the bottom of air curtain board is provided with the air outlet. The device adopts the air curtain board structure of rotatable, can prevent rolling oil reverse flow to the downside of thickness gauge to guarantee the accurate measurement of thickness gauge, can also clean the surface foreign matter such as aluminium powder, dust of the three circle plate face residual of incoming material coiled material, thereby improves the surface cleanliness and quality of finished strip, and the whole device mode switching is simple, and the adaptability is extremely strong, need not to increase the redundant equipment, and the occupied space is small, and the maintenance is convenient.

The utility model discloses a cleaning structure for aluminum foil meal box raw material cutting, which comprises two symmetrical processing tables, a cutting device is arranged on the top of the processing table on the right side, a conveying roller is arranged on the top of the processing table, a vertical plate fixedly arranged on the ground is arranged on the outer side of the processing table, and a cleaning device is arranged on the vertical plate. The surface of the vertical plate is rotationally connected with a bidirectional threaded rod, a first motor is fixedly installed on the surface of the vertical plate through bolts, and an output shaft of the first motor penetrates through the vertical plate and is fixedly connected with the bidirectional threaded rod. The first motor drives the bidirectional threaded rod to rotate, so that the bidirectional threaded rod drives the frame body to move downwards through the threaded ring and the connecting rod, then the frame body drives the first wiping roller to press an aluminum foil raw material downwards through the rectangular block, and at the moment, the two sides of the aluminum foil are wiped and cleaned through the second wiping roller and the first wiping roller; and the surface of the aluminum foil meal box raw material can be wiped and cleaned while the aluminum foil meal box raw material is cut.

The utility model discloses a gold thread passing device which is provided with a machine frame, the machine frame is provided with a thread shaft, a cleaning mechanism, a supporting shaft and a tensioning mechanism, the cleaning mechanism contains cleaning liquid, a gold thread is wound on the thread shaft, and after being cleaned by the cleaning mechanism, the gold thread bypasses the supporting shaft and penetrates into the tensioning mechanism. After the gold thread welding machine is provided with the gold thread passing device, the gold thread can directly enter the welding head ceramic nozzle on the gold thread welding machine to be welded after penetrating through the tensioning mechanism, so that the surface of the gold thread is cleaned before welding, and the gold thread welding yield is improved.

The invention discloses aluminum plate strip processing surface washing decontamination equipment, and belongs to the technical field of aluminum plate strip processing, the aluminum plate strip processing surface washing decontamination equipment comprises a washing tank, two ends of the washing tank are provided with openings for an aluminum plate strip to penetrate in and out, a partition plate is fixedly arranged in the washing tank, and the interior of the washing tank is divided into a scrubbing bin and a rinsing bin by the partition plate; a plurality of first guide rollers are rotationally connected into the scrubbing bin and the rinsing bin, a drying assembly for drying the aluminum plate strip is arranged at an opening in one end of the washing tank, and a filtering assembly for treating sewage is arranged on the rear side of the washing tank. Floating dust and impurities are stripped through high-pressure spraying of the spray head, stubborn stains are removed through mechanical brushing of the brush, deep purification is conducted through the rinsing bin, continuous operation is conducted in the whole process, the surface cleanliness and cleaning uniformity of the aluminum plate strip are greatly improved, and the high-precision surface treatment requirement is met.

This invention relates to a precision processing method for photolithographic mask substrates, comprising: cleaning the photolithographic mask substrate blank using single-slot multi-frequency ultrasonic cleaning; polishing the photolithographic mask substrate blank to its full aperture using a planetary double-sided polishing machine to obtain a preliminary photolithographic mask substrate shape; rapidly removing the shallow damaged layer of the preliminary photolithographic mask substrate shape by high-frequency vibration etching with a hydrofluoric acid mixture; correcting the surface shape of the preliminary photolithographic mask substrate shape and removing surface defects using a double-sided polishing machine; detecting the double-sided surface shape of the preliminary photolithographic mask substrate shape after surface defect removal using a laser interferometer; deterministically correcting local surface shape errors of the preliminary photolithographic mask substrate shape through sub-aperture polishing; and controlling the surface roughness of the corrected preliminary photolithographic mask substrate shape to the sub-nanometer level using an ultra-smooth polishing process to obtain the photolithographic mask substrate. This method reduces the number of traditional iterative polishing cycles, shortens the processing cycle, and avoids surface damage caused by traditional long-term mechanical grinding.

The invention relates to the technical field of alloy surface machining, in particular to a low-loss high-temperature alloy mother alloy bar surface machining method which comprises the following steps: S1, sand blasting treatment: carrying out sand blasting treatment on the bar surface by using a sand blasting machine; and S2, finish turning machining, wherein a lathe is used for directly conducting finish turning machining on the surface of the bar. Compared with traditional turning machining, the rough turning step is replaced with sand blasting treatment, machining loss and labor hour consumption are greatly reduced, and the product delivery rate is increased.

The invention discloses an IC chip quartz substrate coating process with low film layer damage, relates to the technical field of quartz substrate coating, and aims to solve the problem that a quartz substrate film layer is damaged due to the fact that the coating process is not rigorous. The production efficiency can be remarkably improved and the waste and loss in the coating process can be reduced by monitoring and adjusting the coating process in real time and optimizing the annealing process, and the coating process can be continuously optimized and the damage of the film layer to the substrate can be reduced by monitoring and analyzing the data, so that the performance and the reliability of the IC chip are improved, and the production cost is reduced. Through regular quality monitoring and evaluation, defects and potential problems in the process can be found in time, adjustment is carried out according to the film layer material of the target film coating quartz substrate, it can be ensured that the film coating process is matched with the characteristics of the film layer material, the optimal film coating effect is achieved accordingly, and according to the specific application requirements of the IC chip quartz substrate, the film coating quality is improved. And the performance of the film layer can be optimized by adjusting the parameters of the film coating environment.

The application discloses a cooling device for potato processing and belongs to the technical field of food processing, which comprises a groove body, liquid inlet pipes and liquid outlet pipes arranged on the groove body, a conveying assembly arranged in the groove body, a receiving groove, a cleaning assembly, a filtering assembly and a water control assembly, the receiving groove is arranged in the groove body, a filter screen is arranged in the receiving groove, and a discharge port is arranged on the receiving groove; the cleaning assembly is communicated with the groove body, the receiving groove is communicated with the groove body, and the water control assembly is arranged above the conveying assembly. The potato raw materials in the receiving groove can be washed and the impurities such as chippings, skins and starches adhered to the surfaces of the potato raw materials can be removed through the cleaning assembly, so that the potato raw materials can be uniformly cooled without adhering impurities on the surfaces, the surface cleanliness of the potato raw materials after the cooling treatment is improved, the hardness of the potato raw materials after frying or baking processes is uniform, the edible taste of the finished products is ensured, and the pollution speed of the cooling water in the groove body is slowed down.

The utility model discloses a rubber molding, cooling and winding device which comprises a cooling water tank, an air drying mechanism and a winding mechanism, the air drying mechanism comprises a first supporting frame, an air drying box arranged on the supporting frame and an air blower communicating with the air drying box. The air blower laterally communicates with the air drying box and is used for blowing the upper and lower surfaces of the rubber part; the winding mechanism comprises a second supporting frame, a motor arranged on the second supporting frame and a winding frame in transmission connection with the motor. The mode that the cooling water tank, the air drying mechanism and the winding mechanism are sequentially arranged is adopted, the rubber part is primarily cooled through the cooling water tank, residual water on the surface of the rubber part is effectively purged through the air drying mechanism, and the rubber part is wound in order through the winding mechanism; the purposes of rapid cooling, full drying and automatic rolling of the rubber formed product in the continuous machining process are achieved, and therefore the technical effects that the production efficiency is improved, the surface cleanliness of the rubber product is improved, and the automatic machining capacity is enhanced are achieved.

The present application relates to the technical field of floor mat processing equipment, in particular to a floor mat calendering and laminating device, comprising a unwinding mechanism, a surface layer preheating mechanism, a laminating mechanism, an exhaust mechanism and a backing preheating mechanism, the unwinding mechanism comprises air inflation shaft one and base one, the two bases one are distributed in front and back, the upper end of the base one is provided with air inflation shaft one, the surface layer preheating mechanism comprises ion wind rod, preheating groove one, ion wind rod holder and support two, the two bases one are placed with base two, the upper surface of the base two is fixedly connected with ion wind rod holders which are symmetrically distributed left and right, the upper and lower ends of the two ion wind rod holders are fixedly connected with ion wind rods, and the air inlets of the ion wind rods are communicated with external air pumps. The floor mat calendering and laminating device preheats the surface layer and the backing of the floor mat respectively, and the negative pressure adsorption mechanism actively draws away the air between the two layers of materials, thereby improving the product yield and production efficiency.

The invention discloses a foldable introduction head cleaning system, comprising a cleaning device and a drying device. The cleaning device is composed of a supporting mechanism, a transmission mechanism, a suspension mechanism and an ultrasonic cleaning pool mechanism. The drying device is composed of a tray mechanism and an air suction mechanism. The supporting mechanism is composed of a base and a bearing. The transmission mechanism is composed of a servo motor, a lead screw, a lifting frame, a guide column, a lead screw positioning pin and a linear bearing. The suspension mechanism is composed of a suspension tray, a pull rod stop rod, a shift rod, a shift rod pull rod one, a shift rod pull rod two, a drop rod, a drop rod pull rod one, a drop rod pull rod two and a retaining spring. The ultrasonic cleaning pool mechanism is composed of an ultrasonic cleaning pool and an ultrasonic cleaning pool plug. The invention can effectively reduce the friction between the impurities in the inner cavity and the artificial lens, effectively clean the impurities attached to the surface of the foldable introduction head, significantly improve the surface cleanliness, avoid the artificial lens from being damaged, reduce the risk of infecting the human eye after entering the human eye, can achieve batch cleaning, and has broad application prospects.

This invention discloses a semi-trailer logistics van that utilizes solar energy for auxiliary power. It includes a tractor unit and a semi-trailer frame connected together. Hub motors are installed in the driven wheels at the bottom of the semi-trailer frame, providing auxiliary power to the semi-trailer. Working in conjunction with the tractor unit, this enhances the vehicle's ability to navigate challenging road conditions such as inclines and declines. After the tractor unit separates from the semi-trailer, the semi-trailer can turn and move due to the speed difference between the hub motors on both sides. It can autonomously move to a designated loading / unloading position after detaching from the tractor unit, eliminating the need for reversing or other maneuvers on the tractor unit. The tractor unit simply pulls the semi-trailer to the vicinity of the designated loading / unloading position, thus improving loading and unloading efficiency to a certain extent. A generator housing with solar panels is also installed on the trailer, providing the necessary electrical energy to the hub motors and other power components, effectively increasing the vehicle's driving range. The generator housing also includes a cleaning drum, allowing the solar panels to be moved to the cleaning drum for cleaning, improving surface cleanliness and ensuring power generation performance.

The invention belongs to the technical field of papermaking, and particularly relates to a production process of low-basis-weight dyed corrugating base paper. The production process of the low-basis-weight dyed corrugating base paper comprises the following steps: (1) pulping waste paper through a hydrapulper, removing slag through a slag remover, and discharging through a discharging tower; (2) coarsely screening impurities, and removing sand by using a low-concentration slag separator; (3) fine screening, multi-disc concentration and feeding into a pulping tower; (4) entering a streaming system, feeding on a net, squeezing and then entering a pre-drying part; and (5) sizing by a sizing machine, entering a post-drying part, and curling to obtain the low-basis-weight dyed corrugating base paper. The production process of the low-basis-weight dyed corrugating base paper, provided by the invention, is low in investment cost and low in maintenance cost, and the fiber loss rate is reduced while the cleanliness of the pulp is improved.

The invention belongs to the technical field of monocrystalline silicon solar cell silicon wafer cleaning, and relates to a silicon wafer pretreatment method of a monocrystalline silicon solar cell. The silicon wafer pretreatment method comprises the following steps: (1) primary water washing: putting a silicon wafer before texturing into water for primary water washing; (2) SC1 cleaning: soaking the silicon wafer subjected to primary water washing in an SC1 cleaning solution, and carrying out SC1 cleaning; (3) secondary water washing: putting the silicon wafer after SC1 cleaning into deionized water for secondary water washing; and (4) cleaning with an acidic ozone aqueous solution: soaking the silicon wafer subjected to secondary water washing in the acidic ozone aqueous solution for cleaning. According to the silicon wafer pre-cleaning method provided by the invention, the surface cleanliness of the silicon wafer before texturing is greatly improved under the condition of low hydrogen peroxide consumption, and the problem that the appearance reject ratio is high after texturing of a current rough polishing-free one-step texturing process is further solved.

The invention relates to a photoresist coating method, and belongs to the technical field of semiconductors. The coating method comprises the following steps: S1, coating the surface of a silicon wafer with a slow release agent to form a protective layer; s2, coating liquid is sprayed on the surface of the protective layer, and a first photoresist layer and a second photoresist layer are formed in sequence; the coating liquid is obtained by diluting photoresist with a diluent and carrying out centrifugal degassing; the thickness of the first photoresist layer is 0.1 mu m to 0.2 mu m, and the thickness of the second photoresist layer is 1 mu m to 5 mu m; and S3, the sprayed silicon wafer is dried in stages, and coating is completed. The coating method provided by the invention can effectively improve the surface bubbles frequently appearing in the photoresist coating thick film, and improve the uniformity and surface cleanliness of the photoresist after coating.

The invention discloses a photoresist coating jig and a coating method, and particularly relates to the technical field of semiconductor process, the photoresist coating jig comprises a vacuum adsorption system and a horizontally arranged bearing platform; a groove is formed in the upper surface of the bearing platform, and the part, in the inner ring of the groove, of the bearing platform is a platform; second holes distributed along the vertexes of the diagonal lines of the platform are formed in the groove. The upper surface of the platform is provided with a plurality of first holes which are arranged according to a preset rule; and a plurality of passages are arranged in the bearing platform and enable the first hole to be communicated with the vacuum adsorption system. According to the invention, the condition that the photoresist is sprayed and coated on the silicon wafer to generate winding plating can be effectively improved, and the uniformity and the surface cleanliness after the photoresist is coated are improved.

The invention provides a surface processing method of a high-temperature alloy mother alloy bar, which comprises the following steps: S1, dry ice cleaning pretreatment: spraying dry ice on the surface of the high-temperature alloy mother alloy bar, and cleaning the surface of the high-temperature alloy mother alloy bar; and S2, finish turning machining is conducted, specifically, lathe turning is adopted for conducting finish machining on the surface of the bar subjected to dry ice cleaning pretreatment in the step S1. According to the method, the rough turning step in the traditional turning process is creatively replaced with dry ice cleaning, the dry ice cleaning and the finish turning step are combined, an economical'dry ice and finish turning 'surface machining route is provided, and the advantages of low machining loss and high surface cleanliness can be considered at the same time.

The invention relates to the technical field of color film pressing devices, and discloses a color film production pressing device which comprises a bottom plate, a winding frame is fixedly mounted at the upper end of one side of the bottom plate, a winding roller is rotatably arranged on the upper side of the winding frame, and mounting frames are fixedly arranged at the positions, close to the front side and the rear side, of the upper end of the other side of the bottom plate. Pressing mechanisms are arranged on the inner sides of the two sets of mounting frames, material removing mechanisms are arranged on the opposite sides of the two sets of pressing mechanisms, each pressing mechanism comprises an air cylinder fixedly arranged at the upper end of the corresponding mounting frame, a control rod is fixedly arranged at the lower end of a telescopic rod of each air cylinder, and a movable frame is fixedly arranged on the lower side of each control rod. According to the pressing device for color film production, through overall cooperative use, the lower clamping roller on the lower side is driven to rise upwards, and the situation that a color film is always attached to the outer side of the heating roller, generated high temperature scalds and melts a color film material, the material is damaged, and glue on the surfaces of the movable roller and the heating roller is scraped off is avoided.

According to the technical scheme, the double-color mold facilitating production of the fairing of the swimming pool cleaning robot comprises a mold base A and a mold base B, molds A are installed on the two sides of the bottom of the mold base A, molds B are installed on the two sides of a top plate of the mold base B, the molds A are arranged on the tops of the molds B, and calibration holes B are formed in the two sides of the bottoms of the molds A. A double-color mold facilitating production of a fairing of a swimming pool cleaning robot solves the problems that an existing double-color mold adopts an infrared transmitter and an infrared receiver mechanism to assist mold calibration, in the using process, the infrared transmitter and the infrared receiver mechanism are extremely prone to being covered by production impurities, mold closing calibration of the double-color mold is affected, and the mold calibration efficiency is high. The problem that the production quality of the fairing of the swimming pool cleaning robot is affected due to the fact that the mold is damaged when the mold is used for manufacturing the fairing of the swimming pool cleaning robot is solved, the surface cleanliness of an infrared transmitter and an infrared receiver is improved, and therefore the service life of the mold of the fairing of the swimming pool cleaning robot is prolonged.

The utility model discloses aluminium alloy surface pretreatment device relates to aluminium alloy processing field, to solve the problem of subsequent processing that the pretreatment device in prior art only removes the dust on the surface of aluminium alloy through the cooperation of cleaning brush and air pump and can not remove the grease on the surface of aluminium alloy plate, the brush roller is rotatably connected to the middle portion of the inside of the pretreatment box, the U type cleaning liquid delivery pipe is fixedly connected to one side of the middle portion of the inside of the pretreatment box, the U type clean water delivery pipe is fixedly connected to the other side of the middle portion of the inside of the pretreatment box, the strip guide frame is fixedly connected to the upper and lower ends of the middle portion of the inside of the pretreatment box, a plurality of conveying rollers are rotatably connected to the inside of the two strip guide frames at equal intervals, the U type cleaning liquid delivery pipe is arranged to cooperate with the atomizing spray head, the surface of aluminium alloy can be evenly sprayed with cleaning liquid, and the surface oxidation -resistant grease is effectively removed.

The application discloses a titanium and titanium alloy cold rolling coil cross-process surface cleanliness and plate shape risk control method. The method first obtains surface abnormality marks and plate shape abnormality marks, and calculates surface risk index Rs and plate shape risk index Rf based on the surface abnormality marks and the plate shape abnormality marks, and then generates cross-process release instructions such as release, reinforcement confirmation, return degreasing, annealing atmosphere review, stretch leveling correction or isolation review through a low, medium and high risk matrix and executes disposal to reduce the surface risk and the plate shape risk of the coil. The application can jointly constrain the coil through the synergistic effect among rolling, degreasing, annealing and stretch leveling processes, so that the subsequent release decision is no longer based on single-process compliance, but on cross-process coupling risk, thereby reducing the transmission probability of defects such as black spots, oxidation color difference, scratches, wave shape and shrinkage deviation.

The present application relates to a kind of TR assembly package high thermal conductive eutectic medium temperature solder and foil strip preparation method, belong to microelectronic system packaging field.The solder composition: Sb 10.5~12.5wt%, Sn 0.5~2.0wt%, Ag 0.1~0.5wt%, Cu 0.1~0.5wt%, Pd 0.05~0.2wt%, Ni 0.05~0.2wt%, In 0.01~0.1wt%, P0.002~0.01wt%, the balance is Pb.Its foil strip preparation method includes raw material selection and intermediate alloy preparation, non-vacuum medium frequency induction melting, fast cooling horizontal casting and isothermal rolling step.The alloy melting point is moderate, has high strength, high thermal fatigue and high thermal conductivity etc.;Alloy foil composition is uniform, IMC is small, surface is clean, and the yield is high, satisfies the multistage packaging demand of TR assembly in microelectronic system.

The invention relates to the technical field of photovoltaic mounting racks, and discloses a photovoltaic panel mounting bracket based on a BIPV (building integrated photovoltaics). Comprising a mounting frame and further comprises a transmission shaft rotationally connected to the mounting frame and driven by a first motor, two linkage parts arranged in a mirror image mode and driven by the transmission shaft, annular carrier belts are connected to the two linkage parts in a transmission mode, and a photovoltaic cleaning module is driven by the two annular carrier belts. The two fixed toothed plates are symmetrically arranged and fixed to the mounting frame, the two fixed toothed plates are both connected with the photovoltaic cleaning module, the high-pressure air cleaning mechanism is mounted on the mounting frame and driven by a transmission shaft, and the reciprocating frame is slidably connected with the mounting frame. During working, self-cleaning, self-protection and two-way self-adjustment of the laying angle of the BIPV photovoltaic panel body can be achieved, and when self-cleaning of the BIPV photovoltaic panel body needs to be conducted, in the first cleaning stage, the front face of the BIPV photovoltaic panel body faces upwards, and the top face of the BIPV photovoltaic panel body protrudes out of the reciprocating frame.