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31results about How to "Reduce warping" patented technology

Lightweight high-strength hollow SiO2 aerogel composite board and preparation method thereof

The invention discloses a preparation method of a light high-strength hollow SiO2 aerogel composite board, which comprises the following steps: uniformly mixing tetramethyl orthosilicate and methanol, adjusting the pH value to be acidic, adding a mixed solution of ammonium fluoride and water, uniformly stirring, and hydrolyzing to obtain silica sol; the preparation method comprises the following steps: putting a water-soluble powder modifier into silica sol, and dispersing under ultrasonic waves to form a stable suspension; putting the suspension into a mold, adding a catalyst, uniformly stirring, and standing for reaction to obtain wet gel; putting the wet gel into a mixed solution of water and methanol, dissolving the powder modifier in the wet gel by using ultrasonic waves, and repeatedly replacing a soaking solution until the powder modifier in the wet gel is completely dissolved; and after the wet gel becomes transparent, aging and drying the wet gel in sequence to prepare the lightweight high-strength hollow SiO2 aerogel composite board. According to the invention, the one-time forming qualification rate of large-size aerogel products is improved; a large-size hollow structure in the prepared hollow SiO2 aerogel composite board has a relatively strong energy absorption effect, and the hollow SiO2 aerogel composite board is high in strength, light in weight and simple to manufacture.
Owner:GUIZHOU AEROSPACE WUJIANG MACHINERY & ELECTRICITYEQUIP

Photovoltaic solder strip, photovoltaic module and photovoltaic system

The utility model is suitable for the field of photovoltaic technology, and provides a photovoltaic solder strip, a photovoltaic assembly and a photovoltaic system. The photovoltaic welding strip comprises a welding strip body, a protruding structure and a groove structure. The convex structure is arranged on one side of the welding strip body and is arranged in a gap between two adjacent battery pieces of the photovoltaic module; the groove structure is formed on one side of the solder strip body and deviates from the convex structure, and the groove structure comprises a plurality of micro grooves. Thus, in the interconnection welding process of the photovoltaic welding strip and the battery piece, the protruding structure and the groove structure of the photovoltaic welding strip can release welding stress and relieve warping generated after the battery piece is welded, so that the subfissure rate and the fragment rate during lamination of the battery piece are reduced, and the reliability and attractiveness of a photovoltaic module product are improved. Meanwhile, the protruding structures and the groove structures can relieve the lamination stress of the photovoltaic welding strip, and the photovoltaic welding strip is prevented from arching.
Owner:SHENZHEN AIKO DIGITAL ENERGY TECHNOLOGY CO LTD

Stable-phase radio frequency cable wrapping forming device

The invention discloses a stable-phase radio frequency cable wrapping and forming device in the technical field of cable processing, and the device comprises a rack, a movable wrapping assembly, take-up and pay-off assemblies, a cleaning assembly and a dust removal assembly.A movable frame is arranged in the rack, the take-up and pay-off assemblies are arranged on the two sides of the rack, and the cleaning assembly and the dust removal assembly are arranged on the side wall of the movable frame; during wrapping, the motor drives the moving frame to move back and forth, when the moving frame moves backwards every time, the take-up and pay-off assemblies on the two sides are driven to rotate, then the cable is driven to rotate, rubber is wound on the surface of the cable, and when the moving frame moves forwards every time, the moving frame drives winding rollers in the take-up and pay-off assemblies to rotate and pulls the cable to move so as to wait for wrapping of the next section. The cable is driven by the take-up and pay-off assembly to rotate for wrapping, force can be concentrated to the center of the cable, the problem that the cable is pulled by the tension of rubber to shake and shake in the wrapping process can be prevented, and the situation that the edge of the cable is warped in the wrapping process is reduced.
Owner:CHUZHOURUNHANDTECHNOLOGY CO LTD +1

Self-exhausting shading double-sided adhesive tape

The utility model discloses a self-exhausting shading double-sided adhesive tape, which comprises a first adhesive layer, a second adhesive layer, a third adhesive layer and a fourth adhesive layer, the second adhesive layer is arranged on the first surface; the shading layer is clamped between the first adhesive layer and the second adhesive layer; the anti-warping base layer is clamped between the shading layer and the second adhesive layer; the second surface of the first adhesive layer is provided with an exhaust channel. The self-exhausting shading double-sided adhesive tape is reasonable in structure, the warping problem of a thin adhesive tape is effectively solved while light weight is ensured through the arrangement of the anti-warping base layer, and the adhesive force and retention force of the adhesive tape are improved by combining with the exhaust channel formed in the second surface, so that adhesion is tighter, bubbles are reduced, and the warping problem is solved.
Owner:江苏慧智新材料科技有限公司

Rear material blocking device of bending machine

The utility model relates to the technical field of bending machines, and discloses a rear material blocking device of a bending machine, which comprises a bottom plate, the top of the bottom plate is fixedly connected with a protective frame, the inner wall of the protective frame is fixedly connected with a vertical plate, one side of the vertical plate is fixedly connected with a telescopic pressing rod, the outer surface of the telescopic pressing rod is sleeved with a spring, and the outer surface of the telescopic pressing rod is fixedly connected with the vertical plate. Arc-shaped rubber frames are fixedly connected to the outer surfaces of the telescopic pressing rods, rubber balls are slidably connected to the inner walls of the protection frames, pressing plates are arranged on the outer surfaces of the rubber balls, and the bottoms of the pressing plates are slidably connected with the protection frames. The protection device has the following advantages and effects that when a worker pushes a plate onto the protection frame, the edge of the plate firstly makes contact with the rubber ball, then the rubber ball makes contact with the arc-shaped rubber frame in a sliding mode on the inner wall of the protection frame, then the pressing plate is pressed in combination with the spring and the telescopic pressing rod, the impact strength is reduced, protection is enhanced, and the edge of the plate is prevented from being damaged; the working efficiency of the whole device is improved, and the convenience of the whole device is improved.
Owner:SHIYAN XUCHANG IND & TRADE CO LTD

Thin film structure for inhibiting warping in Micro-LED bonding process and preparation method thereof

ActiveCN119546004AImprove electrical connection stabilityreduce concentrated stressThermal dilatationPhysical chemistry
The invention discloses a thin film structure for inhibiting warping in a Micro-LED bonding process and a preparation method thereof, and relates to the technical field of display packaging. The thin film structure is characterized in that in the bonding process of a chip and a substrate, a target material thin film is deposited on the back surfaces of a sapphire substrate and a Si substrate; the thermal expansion coefficient of the target material film is between that of sapphire and that of Si. According to the method, warping caused by mismatching of thermal expansion coefficients of sapphire and Si in the flip-chip bonding process can be relieved.
Owner:SHANGHAI UNIV

A medical care pad

The application relates to a medical nursing pad, belonging to the technical field of medical devices, which comprises a casting film, a lower wood pulp paper layer arranged on the casting film, a cotton core layer arranged on the lower wood pulp paper layer, an upper wood pulp paper layer arranged on the cotton core layer, and a non-woven fabric layer arranged on the upper wood pulp paper layer. The application has the effects of improving the uniformity of the absorption core layer of the medical nursing pad, improving the liquid absorption stability of the medical nursing pad, and reducing the occurrence of liquid reverse osmosis.
Owner:NANJING DAKE IND CO LTD

Injection mold structure for FOPLP packaging processing

The invention discloses an injection mold structure for FOPLP packaging processing, and relates to the field of microelectronic chip packaging, the injection mold structure specifically comprises an upper mold and a lower mold, the upper mold comprises an upper mold base, an upper mold cavity, a main pouring gate, an auxiliary pouring gate, a top pouring gate and an exhaust insert, the bottom of the upper mold base is provided with the upper mold cavity, and the upper mold cavity is provided with an air outlet; top pouring gates are uniformly arranged at the top of the upper mold cavity, the auxiliary pouring gate is arranged above the upper mold cavity, the auxiliary pouring gate is communicated with the upper mold cavity through the top pouring gates, and an inner cavity of the auxiliary pouring gate is communicated with an inner cavity of the main pouring gate. According to the injection mold structure for FOPLP packaging processing, by optimizing the design of injection molding pouring gates and increasing the number of 8-inch panel pouring gates, simultaneous top injection molding and multi-section exhaust design of different positions of the whole panel are achieved, the exhaust speed is increased, holes are prevented from being generated after plastic packaging, it is guaranteed that after injection molding is finished, plastic packaging materials in all positions of the 8-inch panel are evenly distributed, and the product quality is improved. The problem of plastic package thickness consistency is solved, and the injection molding quality is improved.
Owner:BEIJING HUACHUANG QIXING MICROELECTRONICS CO LTD

Gluing device and battery production line

The present application relates to a gluing device and a battery production line, wherein the gluing device comprises: a conveying mechanism for carrying a plurality of pole pieces with pole ears and conveying the plurality of pole pieces one by one to a gluing station, wherein the connection portion between the pole piece and the pole ear has a first surface and a second surface relative to each other in the thickness direction; a first gluing mechanism, comprising a first adsorbing member for adsorbing a first tape, wherein the first adsorbing member can move toward the direction close to the gluing station to adhere the first tape to the first surface; a second gluing mechanism, comprising a second supporting member and a second adsorbing member for adsorbing a second tape, wherein the second adsorbing member can move toward the direction close to the gluing station to adhere the second tape to the second surface. The gluing device of the present application solves the problem that the pole piece with the tape is offset relative to the tape running direction during the winding and unwinding process, thereby causing the quality of the pole piece stacking to decrease, thereby effectively improving the quality of the pole piece stacking and improving the quality of battery production.
Owner:CONTEMPORARY AMPEREX TECHNOLOGY CO LTD

Wood cutting device for solid wood furniture processing

The utility model relates to solid wood furniture processing technical field especially relates to a solid wood furniture processing wood cutting device, including base, the top fixed mounting of base has cutting platform, the top of cutting platform is provided with cutting knife, the both sides of cutting knife are provided with support mechanism respectively, the support mechanism includes second sliding frame through the sliding assembly installation at the top of cutting platform and sets up at the side wall of second sliding frame multiple sets of plane support subassembly and curved surface support subassembly, the plane support subassembly includes first sliding block, the side wall rotation of first sliding block is connected with first support board. The utility model can pass through increasing and reducing the quantity of first support board, second support board, flexibly adjusts its position and angle, adapts the wood of multiple edge shapes such as folding angle, arc, expands the applicable scope of device, and first support board and second support board adopt hard, soft rubber block respectively, can guarantee the support stability, can avoid the wood edge damage.
Owner:ANHUI CAOYE FURNITURE CO LTD

Gallium nitride power electronic device preparation method and gallium nitride power electronic device

The invention provides a gallium nitride power electronic device preparation method and a gallium nitride power electronic device, and relates to the technical field of semiconductors. The method comprises the following steps: bonding a reinforcing plate on the front surface of a prepared device; performing overall thinning processing on the substrate of the device from the back surface of the device so as to thin the substrate to a preset thickness range; processing heat dissipation holes in the back surface of the substrate; heat conduction materials are arranged on the back face of the substrate and in the heat dissipation holes, so that a heat conduction layer is formed on the back face of the substrate; and the bonding of the reinforcing plate is removed. According to the preparation method of the gallium nitride power electronic device, the substrate can be thinned, the problem that the substrate is broken can be avoided, and the heat dissipation capability of the device is enhanced by arranging the heat conduction layer, so that the performance and reliability of the device are improved.
Owner:GUANGDONG INST OF SEMICON IND TECH

An automobile front windshield

The utility model relates to a kind of automobile front windshield.It involves new energy automobile technical field.The application specifically includes the outer glass plate and inner glass plate of parallel interval arrangement, and the interlayer cavity formed between outer glass plate and inner glass plate;It also includes light-absorbing structure arranged in interlayer cavity, and photosensitive structure arranged in interlayer cavity, and light-absorbing structure is used to adhere outer glass plate with the inner glass plate, and the strong light of outside shooting is absorbed, and photosensitive structure is used to detect the light intensity of outside shooting.The interlayer cavity formed between outer glass plate and inner glass plate of the utility model is equipped with light-absorbing structure and photosensitive structure, the strong light of outside shooting is absorbed by light-absorbing structure, and the light intensity of outside shooting is detected by photosensitive structure, the blocking effect of the automobile front windshield to strong light is improved, the interference of strong light to driver is reduced, and the law enforcement of road safety supervision department is assisted, so as to ensure driving safety.
Owner:CHUNENG AUTOMOBILE CO LTD

Crushing transmission structure and coal crushing device

The utility model relates to the field of coal's crushing tool, concretely is crushing transmission structure and coal crushing device. The utility model crushing transmission structure, include: first crushing main body, this first crushing main body's upper portion has feed inlet and first axle seat, second crushing main body, second crushing main body with first crushing main body fixed connection, driving axle core, driving axle core has first annular crushing surface and second annular crushing surface, driving axle core's upper portion end portion with first axle seat swing joint, driving axle core has fixed connection's transmission gear disc, blanking main body, blanking main body has second axle seat, first transmission rod, first transmission rod in blanking main body's end portion has fixed connection's driving gear, first transmission rod's other end has fixed connection's universal joint, motor assembly, motor assembly's power output shaft with universal joint fixed connection.
Owner:HUADIAN COAL IND GROUP TRANSPORTATION & MARKETING CO LTD TIANJIN BRANCH

A light guide plate rolling device

This utility model discloses a light guide plate rolling device, which includes a first rolling frame with an upper roller and a lower roller respectively. At least one surface of each roller is provided with a first printing screen, and at least one end is connected to a drive motor. The axial direction of the upper and lower rollers is set at an angle of 30-60° with the traveling direction of the light guide plate. Preferably, a second rolling frame is added, and the rollers are adjusted by inserting a connecting column into a transverse groove, and the position is fixed by using a threaded adjusting handle. The device also includes a conveyor belt and a tunnel-type oven to stabilize the temperature, and the internal fluid channels of the rollers are connected to a heat transfer oil pump for further temperature control. The cross-angle rolling enhances the side forming force and reduces the warping deformation of the light guide plate in the traveling direction. This utility model is suitable for continuous production of light guide plates, especially improving the forming quality of light guide plates with multi-layer composite structures.
Owner:JIANGSU HANYANG NEW MATERIAL TECH

A continuous corrugated paper conveying system

The application relates to a corrugated paper conveying system for continuous production, relates to the technical field of raw paper conveying, and comprises a filter pressing mechanism, a temperature and humidity treatment mechanism and a winding mechanism, characterized in that the filter pressing mechanism comprises a filter press and a first conveying belt, the temperature and humidity treatment mechanism comprises a temperature and humidity treatment device and a second conveying belt, and the winding mechanism comprises a winding machine and a third conveying belt; a separation assembly is arranged between the second conveying belt and the third conveying belt. The application has the effect of helping to realize the separation between the face paper and the conveying belt in the continuous conveying process, reducing the tearing between the face paper and the conveying belt caused by large friction, and improving the production quality of subsequent corrugated raw paper.
Owner:GOLDEN PHOENIX PAPER (XIAOGAN) CO LTD

A new graphite boat holder

ActiveCN224596913Ulimit upshiftexactly fall into
This utility model relates to the field of photovoltaic equipment technology and discloses a novel graphite boat beater, comprising: a beater roller for beating silicon wafers; a first fixed plate connected to a driving component, the driving component driving the first fixed plate to move, the two ends of the beater roller being bolted to the first fixed plate; a second fixed plate located above the first fixed plate; and a connecting component connecting the first and second fixed plates for transmitting vibration and limiting the movement of the second fixed plate. By optimizing the connection structure between the beater roller and the fixed plate, a direct and effective vibration transmission path is constructed, solving the problem of low vibration transmission efficiency in the prior art, ensuring that the silicon wafer can fall accurately and stably into the graphite boat's clamping point, thereby significantly reducing silicon wafer fragmentation and improving the overall efficiency and yield of the coating process.
Owner:DAS SOLAR CO LTD

A seismic repair support structure for ancient building brick and stone walls

ActiveCN224432079UImprove seismic repair effectsmall footprintFiberCarbon fibers
This utility model discloses a seismic repair support structure for ancient building brick and stone walls, including several sets of carbon fiber cloths arranged at intervals along the horizontal and vertical directions of one side of the wall, two sets of first pressure plates and second pressure plates respectively arranged along the horizontal and vertical directions of one side of the wall for pressing the carbon fiber cloths, and an installation component for positioning the several sets of carbon fiber cloths. The two ends of the first pressure plates and second pressure plates are fixed by multiple sets of first pins and second pins respectively arranged on the corresponding wall surfaces. The installation component includes multiple sets of first positioning plates sleeved on the first pins and second pins located at the adjacent ends of the first pressure plates and second pressure plates on the corresponding wall surfaces, and two sets of second positioning plates slidably arranged along the two sets of first pressure plates or the two sets of second pressure plates. A first compression spring is sleeved on both the first pins and second pins, and a first connecting rod and a second connecting rod are respectively arranged on the second positioning plate for connecting with the first pressure plate and the second pressure plate.
Owner:ANHUI ZHONGWU CONSTRUCTION ENGINEERING CO LTD

Winding one-way plate forming method and forming tool

The invention provides a winding one-way plate forming method and a forming tool. The winding one-way plate forming method comprises the steps that fiber winding and pressurization are conducted on the forming tool to form two layers of blank plates; pre-curing the blank plates, cutting off fibers for connecting the two layers of blank plates, and finally curing the blank plates; cutting and processing the blank plate into a one-way plate according to a preset size; cutting and processing the reinforcing sheet; the reinforcing sheet is bonded to the one-way plate and cured; and cutting and processing the one-way plate into a one-way plate standard test sample. According to the method, a segmented forming method is adopted, the blank plates are pre-cured, after pre-curing, the fibers for connecting the two layers of blank plates are cut off, and finally the blank plates are finally cured, so that the problem of tilting deformation caused by the fact that fiber stress is not released in time is solved.
Owner:HUBEI SANJIANG HANGTIAN JIANGBEI MASCH ENG CO LTD

Longitudinal beam buckling device and track mechanism

The present invention provides a longitudinal beam buckling device and a track mechanism, the longitudinal beam buckling device comprising: a device body, the device body is provided with a buckling structure for buckling the longitudinal beam and slidingly cooperating with the longitudinal beam, in an XYZ orthogonal coordinate system with the buckling direction as the Z direction, the longitudinal beam can move relative to the device body along the X direction or the opposite direction of the X direction; the device body is also provided with at least two fastening structures spaced apart along the X direction, the fastening structure is used to be fixedly connected with the track support structure. Through the present invention, the technical problem that when the expansion joint changes in the prior art, the end of the longitudinal beam is prone to warping, resulting in a greater risk of collision with the train is alleviated.
Owner:CHINA ACADEMY OF RAILWAY SCI CORP LTD +1

Mask for improving warpage of trench gate IGBT (Insulated Gate Bipolar Translator) wafer

PendingCN119653798Areduce warpageImprove warpageDevice materialMechanical engineering
The invention provides a mask plate for improving warpage of a trench gate IGBT wafer, and relates to the technical field of semiconductor device manufacturing, a plurality of IGBT chips are arranged on the mask plate, and the IGBT chips are the same in specification; the IGBT chips on the mask plate are arranged in a staggered mode, one part of the IGBT chips are arranged in the 0-degree direction, and the other part of the IGBT chips are arranged in the 90-degree direction after being rotated; according to the staggered arrangement mode, the IGBT chips are arranged in a staggered mode in the 0-degree direction and the 90-degree direction by adopting array layout on a mask plate. The mask plate transfers IGBT chip patterns which are arranged in a staggered mode to a wafer of a silicon base material in a photoetching machine exposure field mode, and a mask layout layout in which internal stress of trench gates cannot be overlapped between the IGBT chips which are arranged in the 0-degree direction and the 90-degree direction in a staggered mode and local area stress counteracts is formed. By means of the staggered direction arrangement mode, stress in different directions counteracts each other, and therefore warping of the wafers is effectively relieved.
Owner:ZHEJIANG XINMENG SEMICON TECH CO LTD

Semiconductor device, manufacturing method thereof and electronic equipment

The invention provides a semiconductor device, a manufacturing method thereof and electronic equipment. The manufacturing method of the semiconductor device comprises the following steps: sequentially and alternately manufacturing initial sacrificial layers and initial semiconductor layers on a first surface of a substrate; bonding the outermost initial sacrificial layer on the first surface of the substrate with the first substrate; thinning the substrate until the thickness of the substrate is equal to that of the initial semiconductor layer; sequentially and alternately manufacturing an initial sacrificial layer and an initial semiconductor layer on the second surface of the thinned substrate to obtain a laminated structure arranged on one surface of the first substrate; manufacturing a first storage unit lamination based on the lamination structure; a first interconnection lamination layer is manufactured, the first interconnection lamination layer is at least electrically connected with the first storage unit lamination layer, and a first semiconductor structure is obtained; manufacturing a second semiconductor structure based on the same steps; and bonding the first semiconductor structure and the second semiconductor structure to obtain the semiconductor device. According to the invention, the number of epitaxial layers and the overall thickness of the semiconductor device are increased, and the problem of wafer warping is relieved.
Owner:BEIJING SUPERSTRING ACAD OF MEMORY TECH

A cutting device for construction machinery

ActiveCN224275257Ureduce warpingReduce the possibility of affecting cuttingMetal working apparatusClassical mechanicsStructural engineering
This utility model belongs to the field of construction engineering technology, specifically a construction machinery cutting device, including a body and a limiting device. A drive unit is rotatably connected to the inner surface of the body, and a cutting disc is rotatably connected to the inner surface of the drive unit. Limiting devices are provided on both sides of the body, each including a placement block. The side wall of the placement block is fixedly connected to the side wall of the body, and multiple support rollers are rotatably connected to the inner surface of the placement block. A frame is fixedly connected to the side wall of the body near the placement block. A blocking device is provided on the side wall of the body, including a support column. The side wall of the support column is fixedly connected to the side wall of the body, and a rotating plate is rotatably connected to the surface of the support column. Two inclined plates are fixedly connected to the side wall of the rotating plate. By setting up the entire device, the position of the material can be limited, reducing the possibility of material warping and thus reducing the possibility of affecting the cutting process, while also reducing the impact on the cut surface.
Owner:HUBEI HAINEIWUSHUANG CONSTR ENG CO LTD

Assembling tool applied to immunochromatography reagent strip large plate

ActiveCN119555927AAvoid sliding upturning problemsreduce vibrationBiological testingNumerical controlReagent strip
The invention discloses an assembling tool applied to an immunochromatography reagent strip large plate, and relates to the technical field of biomedical engineering industries, the assembling tool comprises a bottom plate and an electric rotating table, the top of the bottom plate is fixedly connected with a numerical control mechanical arm, the top of the electric rotating table is provided with a disc, the top of the disc is provided with a large plate clamping mechanism, and the large plate clamping mechanism is provided with a clamping mechanism. By arranging a large plate clamping mechanism, a sliding plate loaded with a PVC bottom plate and a clamping block can synchronously slide at the outer ring of a disc along with outward centrifugal force generated by rotation, and the sliding plate slides on a sliding strip, so that the clamping block on the sliding plate and the PVC bottom plate slide outwards together; the extrusion force between the cushion layer on the PVC bottom plate and the clamping block is relieved when the cushion layer on the PVC bottom plate is subjected to outward centrifugal force, the problem that the cushion layer on the PVC bottom plate slides and upwarps towards the clamping block is avoided, various cushion layers, placed on the sliding plate every time, of the numerical control mechanical arm are vibrated to be flat, and the problem that the cushion layers are warped and inclined due to deviation in the placing process is solved.
Owner:HUBEI MEISHUNHE MEDICAL TECH CO LTD

A laminating device for producing a packaging box

The utility model belongs to packaging box processing technical field especially relates to a laminating device for packaging box production, including frame body, the frame body top is provided with the conveyer belt, the outside of conveyer belt is provided with the limit component, the frame body top is provided with the film loading roller, is provided with the guide component and the film pressing assembly in order along the packaging box direction of travel on the frame body below film loading roller, one side of film loading roller is provided with the corner pressing assembly, the corner pressing assembly includes longitudinal adjusting assembly, the top of mobile seat is provided with the support frame, the both sides of support frame are provided with the pressing mechanism, the middle position of corner pressing assembly is provided with the cutting assembly. The utility model reasonable in design, simple structure, convenient processing can improve the stability in workpiece conveying process, and the laminating corner is flattened and is pressed together, reduces its possible of warping, ensures workpiece forming quality, improves work progress, satisfies the using requirement.
Owner:SHANDONG JIALE GIFT PACKING PROD CO LTD

Transport device, semiconductor process apparatus, and wafer transport method

ActiveCN116031195Breduce warpingImprove uniformityProcess equipmentWafer
The application discloses a transmission device, a semiconductor process equipment and a wafer transmission method, and relates to the semiconductor field. The transmission device comprises an adsorption finger, a heating element, a first temperature measuring element, a second temperature measuring element and a control element. The adsorption finger has an adsorption part, the heating element and the first temperature measuring element are arranged on the adsorption part, and the second temperature measuring element is arranged on the adsorption finger and is arranged in a spaced mode with the adsorption part. The control element is electrically connected with the heating element, the first temperature measuring element and the second temperature measuring element respectively, and is used for controlling the heating temperature of the adsorption part by the heating element according to the difference between the temperatures measured by the first temperature measuring element and the second temperature measuring element when the temperature measured by the second temperature measuring element is greater than a preset temperature, so that the temperature difference is within a preset temperature difference range. The application can solve the problem that the wafer warps due to the large temperature difference between the suction cup of the mechanical hand and the wafer.
Owner:BEIJING NAURA MICROELECTRONICS EQUIP CO LTD

Double-sided electromagnetic shielding structure and shielding structure manufacturing method

The present disclosure provides a double-sided electromagnetic shielding structure and a method for manufacturing the shielding structure, and relates to the field of semiconductor packaging technology. The double-sided electromagnetic shielding structure includes a substrate, a plurality of first grounding pads, and a connecting wire. The first surface of the substrate is provided with a first element, and the second surface is provided with a second element; a through hole is provided on the substrate; a plurality of first grounding pads are provided on the surface of the substrate, and are located on both sides of the through hole; the connecting wire electrically connects the first grounding pads on both sides of the through hole, and the connecting wire passes through the through hole from one side of the substrate to the other side; the connecting wire forms a cage-like structure around the first element and the second element. Among them, the highest point of the connecting wire protruding from the first surface is higher than the side of the first element away from the substrate, and the highest point of the connecting wire protruding from the second surface is higher than the side of the second element away from the substrate. Double-sided electromagnetic shielding can be achieved by wire bonding, and the structure is reliable, the process is simple, and the packaging efficiency is high.
Owner:FOREHOPE ELECTRONICS NINGBO CO LTD

Anti-warping aluminum checkered plate transverse cutting machine

The utility model belongs to the technical field of transverse cutting machines, and particularly relates to an anti-upwarp aluminum checkered plate transverse cutting machine which comprises a transverse cutting mechanism, a conveying mechanism and a supporting rail, the transverse cutting mechanism comprises a fixing frame and a lead screw, the surface of the lead screw is in threaded connection with a sliding base, one end of the lead screw is fixedly connected with a first belt roller, and the other end of the lead screw is fixedly connected with a second belt roller. The surface of the first belt roller is sleeved with a first transmission belt, a connecting plate is fixedly connected to the side of the sliding base, a U-shaped frame is fixedly connected to the surface of the connecting plate, and a first electric push rod is slidably installed in the supporting rail. The sliding base can drive the first electric push rod, the pressing wheels and the cutting tool to move horizontally at the same time through the connecting plate and the U-shaped frame, the pressing wheels are distributed on the two sides of the cutting tool and are vertically symmetrical, and the first electric push rod facilitates adjustment of the height of the pressing wheels so that the pressing wheels can be attached to the upper surface and the lower surface of the aluminum checkered plate. Therefore, the pressing wheel can press the aluminum checkered plate in the up-down opposite directions when the cutting tool cuts the aluminum checkered plate, and deformation and warping of the cutting edge can be effectively reduced.
Owner:HENAN WANDA ALUMINUM

Guide material supporting mechanism of hydraulic plate shearing machine

The utility model relates to the technical field of hydraulic plate shears, in particular to a guide supporting mechanism of a hydraulic plate shearer, which comprises a fixing plate, a supporting mechanism for supporting a steel plate is arranged at the upper end of the fixing plate, and limiting mechanisms for limiting the steel plate are arranged at two ends of the fixing plate. A guide mechanism for guiding the steel plate is arranged on one side of the limiting mechanism; the limiting mechanism comprises two mounting plates, the two mounting plates are fixed to the two ends of the fixing plate, one side of each mounting plate is provided with a mounting pipe, and one end of each mounting pipe is telescopically connected with a movable rod. Through the arranged limiting mechanism, the steel plate can be guided and limited, under the cooperation of a connecting rod and a tension spring, the tension spring pulls a fixing block to vertically move, then a limiting ball is driven to make contact with the upper surface of the steel plate, the steel plate is pressed, and therefore the situation that the steel plate tilts due to the fact that the gravity center shifts can be effectively reduced.
Owner:NANTONG WEIFENG HEAVY MASCH CO LTD

Switching device, dispensing system and dispensing method

The invention discloses a switching device, a dispensing system and a dispensing method.The switching device comprises a switching assembly and a crimping assembly arranged on the switching assembly, the switching assembly comprises a switching line arranged in the same direction as a conveying line, and the crimping assembly comprises a crimping beam and a rolling piece moving up and down relative to the crimping beam; and the rolling piece is arranged towards the patch cord, the rolling piece is connected with the upper surface of the carrier in a rolling and pressing mode, and the rolling piece and the patch cord jointly convey the carrier. The device is suitable for circulation of carriers with different lengths and sizes on the patch cord, the universality of the device is improved, the complexity of device transformation is reduced, and no extra space is occupied.
Owner:INSPUR SUZHOU INTELLIGENT TECH CO LTD