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138results about How to "Avoid residual" patented technology

Manufacturing method of TFT (Thin Film Transistor) substrate structure

The invention provides a manufacturing method of a TFT (Thin Film Transistor) substrate structure. According to the manufacturing method of the TFT substrate structure, via holes and a groove are formed in a planarization layer through single exposure by utilizing a halftone photomask, and half-exposure is realized through half-light-transmitting patterns on the halftone photomask; the groove with smaller depth is formed in the planarization layer of a fan-out area, so that the slope of the groove in the planarization layer of the fan-out area is decreased, the phenomenon of residue of a transparent conductive layer at corners of the groove caused by non-thorough photoresist exposure at the corners of the groove during photoresist exposure developing is avoided, and the phenomenon of short circuit between metal lines of the fan-out area is further avoided; meanwhile, the aperture ratio of an effective display area is not influenced, and the display quality of a liquid crystal display panel is greatly improved; moreover, by widening the groove in the planarization layer of the fan-out area, the phenomenon of reduction of an adhesion force of a frame sealing adhesive caused by decrease of the slope of the groove and reduction of the depth of the groove is avoided, and the adhesion property of the frame sealing adhesive in the liquid crystal display panel is further protected from being influenced.
Owner:WUHAN CHINA STAR OPTOELECTRONICS TECH CO LTD

Double-liquid capillary micro-flow control valve in micro-flow control chip, and manufacturing method thereof

The invention relates to a double-liquid capillary micro-flow control valve in a micro-flow control chip, and a manufacturing method thereof, in particular to a capillary micro-flow control mechanism which is used for the micro-flow control chip and can realize sample injection of two liquids at the same time, aiming at solving the technical problem that the sample injection of the two trace liquids with different medium affinity properties can be difficultly realized in the existing micro-flow control technology. The double-liquid capillary micro-flow control valve is provided with a first branch flow groove, a second branch flow groove and an output groove which have equal cross section width; the cross section width of an air duct groove is less than that of the first branch flow groove, the second branch flow groove and the output groove; the depth of the second branch flow groove is equal to that of the output groove, and the depth of the first branch flow groove is less than that of the second branch flow groove; the depths of the second branch flow groove and the output groove are less than that of the air duct groove; the ends of the first branch flow groove and the second branch flow groove are communicated with an input end of the output groove; and the end of the air duct groove is communicated in front of the end of the second branch flow groove. The invention is applicable to the structure of a device which can lead the sample injection of high-affinity liquid to be carried out at the same time.
Owner:CHANGCHUN INST OF OPTICS FINE MECHANICS & PHYSICS CHINESE ACAD OF SCI

Cleaning equipment for solar cell panel

InactiveCN109351710AAvoid moisture residueImprove the effect of scrubbingDrying solid materials without heatPhotovoltaicsBrush deviceCells panel
The invention discloses cleaning equipment for a solar cell panel. The cleaning equipment comprises a vehicle body capable of moving along the surface of the solar cell panel, the bottom surface of the vehicle body is provided with a groove, an installation space for installing a cleaning assembly is preset in the groove, the upper side and the lower side of the interior of the groove are providedwith an upper pulley and a lower pulley, after the solar cell panel is arranged in the groove, the upper side edge and the lower side edge of the solar cell panel form operation rails of the upper pulley and the lower pulley, a driver in the vehicle body drives the upper pulley and the lower pulley so that the vehicle body can be moved, and the top surface of the vehicle body is spread with a photovoltaic plate to provide power for the driver; and the cleaning assembly comprises a sand suction device, a brushing device and a driving device which are arranged in sequence, and the cleaning assembly right faces towards the solar cell panel. According to the cleaning equipment, aiming at the types of dirt on the solar cell panel, the sand suction device is arranged, sand on the surface of thesolar cell panel is removed at first, bird droppings adhering to the surface of the solar cell panel are brushed through the brushing device, water on the surface of the solar cell panel is dried through the drying device, and residual water is avoided.
Owner:黄权明

Cutting device

The invention discloses a cutting device. The cutting device comprises a supporting body (8) which is fixedly provided with a housing (9). A cutting tool rod (7) is slidably mounted on the supporting body (8). The cutting tool rod (7) comprises a cutting tool bit (72), a notch (71), a right-side protruding portion (76), a left-side protruding portion (75) and a jointing end (77), wherein the cutting tool bit (72) is located at the left end of the cutting tool rod (7) and used for executing cutting; the notch (71) is formed in the upper side face of the cutting tool rod (7); the right-side protruding portion (76) and the left-side protruding portion (75) are located on the lower side face of the cutting tool rod (7); and the jointing end (77) is located at the right end of the cutting tool rod (7) and used for being jointed with the housing (9). The jointing end (77) is further jointed with an elastic bracing-and-pressing part (770), so that the jointing end (77) of the cutting tool rod (7) can lean on the housing (9) in an asymmetrically-pressing manner. A wedge-shaped plate (73) is arranged in the supporting body (8) in the manner of corresponding to the notch (71), wherein the wedge-shaped plate (73) can slide up and down and is braced and pressed towards the cutting tool rod (7) by an elastic bracing-and-pressing spring (74).
Owner:郑建平

Manufacturing method of semiconductor device

The invention provides a manufacturing method of a semiconductor device. The manufacturing method mainly comprises the following steps: forming an oxide layer and a source polycrystalline silicon layer of which the upper surface is higher than the surface of a semiconductor substrate in a deep trench of the semiconductor substrate; forming a photoresist layer to distinguish a terminal region and aprimitive cell region; etching the source polycrystalline silicon layer at the primitive cell region; etching the oxide layer at the primitive cell region to form a gate trench; removing the photoresist; and forming a gate oxide layer and an isolation dielectric layer in the gate trench, and then forming a gate polysilicon layer. The top of the source polysilicon layer filled in the deep trench is higher than the surface of the semiconductor substrate. The height difference between the top of the source polycrystalline silicon layer and the top of the oxide layer is reduced, so that the problem of incomplete etching of the gate polycrystalline silicon in the transition region of the gate polycrystalline silicon layer and the source polycrystalline silicon layer during subsequent back etching of the gate polycrystalline silicon layer is avoided, and the problem of saturated gate current failure caused by short circuit of the gate and the shielding gate is solved.
Owner:SHANGHAI HUAHONG GRACE SEMICON MFG CORP

Solar panel cleaning vehicle

The invention discloses a solar panel cleaning vehicle. The solar panel cleaning vehicle comprises a vehicle body capable of moving along the surface of a solar panel, a groove is formed in the bottomface of the vehicle body, a mounting space used for allowing a cleaning assembly to be installed is pre-formed in the groove, an upper sliding wheel and a lower sliding wheel are arranged on the upper side and the lower side in the groove respectively, the solar panel is arranged behind the groove, the upper side edge and the lower side edge of the solar panel form a running track of the upper sliding wheel and a running track of the lower sliding wheel respectively, a driver in the vehicle body drives the upper sliding wheel and the lower sliding wheel so as to move the vehicle body, bufferpads cover the two ends of the vehicle body, a handle is arranged at the top of the vehicle body, the cleaning assembly comprises a sand suction device, a scrubbing device and a drying device, and thecleaning assembly right corresponds to the solar panel. Aiming at the type of stains on the panel, the sand suction device is particularly arranged to clear sand thoroughly on the surface of the panel firstly, the scrubbing device is used for brushing off bird droppings or other viscous substances adhered to the surface of the panel, and the drying device is used for absorbing water on the surface of the panel so as to avoid water residues.
Owner:黄权明

Device and method for preparing whitening and freckle-removing mask liquid

The invention discloses a device and method for preparing whitening and freckle-removing mask liquid. The device comprises a mixing box, a water outlet pipe communicating with the bottom of the left side of the mixing box and a case fixedly connected to the right side of the mixing box, wherein a valve is fixedly connected to the water outlet pipe; the top of the mixing box is fixedly connected with a pressurizing cylinder; and a feeding cylinder is fixedly connected to the top of the mixing box and located on the left side of the top of the pressurizing cylinder through a fixing plate; a supporting plate is fixedly connected to the inner middle part of the case; an air pump is fixedly connected to the top of the supporting plate; and the air outlet end of the air pump communicates with the right end of the pressurizing cylinder. The invention belongs to the technical field of chemical equipment. According to the device and method for manufacturing the whitening and freckle-removing mask liquid, the pressurizing cylinder is arranged to provide materials for the mixing box, the materials can be sprayed into the mixing box in an accelerated mode in a pneumatic pressurizing mode, thenthe materials can be uniformly sprayed into a solution, so a mixing reaction speed can be increased; and quantitative material adding can be achieved through the feeding cylinder on the device, and use is convenient.
Owner:广州协和生物医药科技有限公司

Numerically-controlled machine tool waste separating device and working method thereof

The invention provides a numerically-controlled machine tool waste separating device and a working method thereof, and belongs to the field of waste treatment. The device comprises a workbench, a crushing bin fixedly connected to the top of the workbench, and a second conveying mechanism, wherein a feeding port, a discharging port and a crushing mechanism are arranged on the crushing bin, a mounting frame is connected to the side of the workbench through bolts, a driving mechanism is arranged on the mounting frame, and the driving mechanism is connected with the crushing mechanism to achieve crushing; the second conveying mechanism comprises a second conveying belt and three third rotating shafts, waste scraps are conveyed through a first conveying roller, and when the iron materials move to the side, close to a third conveying belt, of the second conveying belt, the adsorption effect of a magnetic adsorption plate is gradually lost, so that the iron materials fall to the upper side of the third conveying belt, other waste materials are conveyed to the upper side of a discharging groove through a first conveying belt, the separation and conveying effect is achieved, the iron materials and other materials in the waste materials are effectively separated, the subsequent separation work is reduced, and the working efficiency is improved.
Owner:QINGDAO HUANGHAI UNIV

Treatment device for realizing continuous derusting work of steel rail for rail inner side cleaning

The invention discloses a treatment device for realizing continuous derusting work of a steel rail for rail inner side cleaning. The device comprises a supporting top plate and side mounting plates, the left side of the adjusting threaded sleeve rod is rotationally connected with an adjusting mounting plate, lifting adjusting mechanisms are fixedly connected to the left side of the adjusting mounting plate and the right side of the supporting top plate, the output end of the lifting adjusting mechanism is fixedly connected with a walking side plate, a walking supporting mechanism is fixedly connected to the middle of the outer side of the walking side plate, a steel rail top sliding plate is fixedly connected to the left side close to the upper portion of the walking side plate, a derusting through groove is formed in the position, close to the back face, in the side mounting box, a derusting grinding wheel is rotationally connected into the derusting through groove, and a polishing cleaning wheel is rotationally connected to the position, located on the front face of the derusting grinding wheel, of the outer side of the side mounting box. According to the treatment device for realizing continuous derusting work of the steel rail for rail inner side cleaning, which relates to the technical field of rail cleaning, the purposes of achieving continuous derusting work and improving the derusting quality are achieved.
Owner:衡阳远通物流有限公司

Automatic cleaning and sweeping robot for pavements or workshops

The invention discloses an automatic cleaning and sweeping robot for pavements or workshops. The robot comprises a circular base, a water storage tank and a butt joint clamping box, the water storage tank is fixedly installed in the middle of the outer surface of the upper end of the circular base, and four sets of fixing clamping blocks are fixedly installed on the side edge, close to the water storage tank, of the outer surface of the upper end of the circular base; a fixed bottom plate is fixedly installed on the outer surface of the bottom of the circular base, a sponge cushion plate is fixedly installed on the outer surface of the bottom of the fixed bottom plate, four sets of fixing bolts are fixedly connected between the fixed bottom plate and the sponge cushion plate in a sleeving mode, and a plurality of sets of drainage grooves are formed in the inner side of the bottom of the fixed bottom plate. A positioning clamping groove is formed in the outer surface of the side edge of the water storage tank; according to the automatic cleaning and sweeping robot for the road surface or the workshop, an auxiliary conveying structure is arranged, the blocking phenomenon is avoided, the using stability is improved, the mopping effect is improved, and the robot is more convenient and faster to use.
Owner:安徽橡树工业设计有限公司

Multifunctional debridement device for general surgery department

The invention discloses a multifunctional debridement device for the general surgery department. The multifunctional debridement device comprises a bed body, wherein a guide block is installed on theleft side of an upper end of the bed body, a guide rod is installed in the middle of the guide block, a movement plate is installed at the right end of the guide rod, an adjusting plate is hinged to the right side of an upper end of the movement plate, a first hinging plate is installed in the middle of a lower end of the adjusting plate, a self-locking spring rod is installed at the lower end ofthe first hinging block, a second hinging block is installed at the lower end of the self-locking spring rod, the left end of the bed body is provided with a backup plate, a driving box is installed at a lower end on the left side of the backup plate, a rotational wheel is installed at an upper end inside the driving box, ring teeth are uniformly installed on the outer side of the rotational wheel, a limiting sleeve is installed at an upper end on the right side of the backup plate, a limiting block is installed inside the limiting sleeve, and a medicine guiding cavity is connected at the lower end of the limiting block. According to the multifunctional debridement device for the general surgery department, the adjustment of an up-down inclination angle of the adjusting plate is realized,the fact that back-and-forth movement is carried out to move a patient to the upper end of the adjusting plate and then lift up the patient is avoided, and the multifunctional debridement device is not only convenient for the patient but also reduces the labor intensity of medical staff.
Owner:邵智勇

High-precision on-line analysis system and method for amount of excessive alkali

The invention discloses a high-precision on-line analysis system for the amount of excessive alkali. The high-precision on-line analysis system includes a rack, wherein an analysis cabin is fixed on the rack; a pretreatment filtering device and an analyzer host are fixed in the analysis cabin; the analyzer host comprises a host case, a display screen is arranged on the host case, an analysis system and an electric control system are arranged in the host case; the analysis system comprises an excessive alkali amount detector, a feeding device and a discharging device; the excessive alkali amount detector comprises a sample cup and a test assembly, the test assembly comprises a reagent dropwise adding device and a tester; the invention also provides a high-precision on-line analysis method for the amount of excessive alkali. The analysis method comprises the following steps: cleaning impurities such as silt, introducing a solution to be detected into a pretreatment filtering device, cleaning the sample cup of the excessive alkali amount detector, quantifying a solution in the sample cup, detecting the content of sodium hydroxide and sodium carbonate, and cleaning the excessive alkaliamount detector. According to the method, the contents of sodium hydroxide and sodium carbonate can be simultaneously and respectively detected, the detection precision and efficiency are improved, and the cost is reduced; the service life of equipment is prolonged, and automatic control is realized.
Owner:JIANGSU YIMAI SCI & TECH CO LTD
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