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36results about How to "Overcome gap" patented technology
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Envelope-pasted rubber ball and manufacturing process thereof
InactiveCN104524748AOvercoming the problem of degumming and peelingGood lookingHollow inflatable ballsEngineeringRidge
The invention discloses an envelope-pasted rubber ball. The envelope-pasted rubber ball comprises a vulcanized middle bladder, an envelope and ridge strips, wherein a plurality of grooves are formed in the outer surface of the vulcanized middle bladder, the grooves divide the outer surface of the vulcanized middle bladder into a plurality of piece regions according to ball class standards, the envelope is pasted to the piece regions of the vulcanized middle bladder through glue, the width of the envelop is slightly larger than the width of the piece regions of the vulcanized middle bladder, the part, exceeding the piece regions of the vulcanized middle bladder, of the envelope is attached to side ridges of the grooves through edge folding, and the ridge strips are embedded and pressed into the grooves through glue. The envelope-pasted rubber ball solves the problems that a traditional rubber ball becomes unglued and peels after being used for a long time, achieves seamless connection between the envelope and the ridge strips, solves the problem that clearances exist between the ridge strips and the envelope in the prior art, and guarantees a beautiful appearance.
Owner:TONGCHENG HUILONG SPORTS PROD
Oval walking machine
ActiveCN106075814AImprove exercise effectOvercome gapMovement coordination devicesCardiovascular exercising devicesKinesiologyEngineering
The invention discloses an oval walking machine which comprises a base, a rack connected with the base and left and right movement mechanisms identical in structure and symmetrically arranged on left and right sides of the rack. A pedal frame adopts a mode combining rollers with guide rails, double four-connecting-rod structures are adopted, and forward-backward movement and upward-downward and angle adjusting of pedals are combined organically, so that mountaineering and pedaling actions can be better simulated; a rotating structure is adopted for amplitude adjustment, so that the defects of gaps and high manufacturing accuracy of conventional sliding structures are overcome, step amplitude can be intelligently changed to adapt to training of different human functions, human training effect is improved better, and kinesiology is met better; a machine platform is more reasonable in stress, so that overall service life of the machine platform is prolonged.
Owner:IMPULSE QINGDAO HEALTH TECH
Manufacturing method for semiconductor device
ActiveCN103633015AGood effectEasy to fillSemiconductor/solid-state device manufacturingDielectric layerSemiconductor
The invention relates to a manufacturing method of a semiconductor device. The method comprises: providing a semiconductor substrate; successively forming an etching stop layer, a first dielectric layer, a second dielectric layer a hard mask layer and a metal hard mask layer on the substrate, wherein the second dielectric layer has a slower etching rate than the first dielectric layer; etching the metal hard mask layer to form an opening; and taking the metal hard mask layer as a mask layer to etch the hard mask layer, the second dielectric layer and the first dielectric layer to form a taper trench provided with a larger upper opening and an inclined side wall. According to the invention, in order to obtain better effects during trench filling, two ultra low K materials with different etching rates are arranged below a hard mask, the taper trench is formed by use of the different etching rates of the two in an etching process, and better filling effects can be obtained by use of the larger opening of the taper groove such that the problems of cavities and gaps easily occurring in the prior art are overcome.
Owner:SEMICON MFG INT (SHANGHAI) CORP
Fin and wing aeroelasticity test device of high-speed wind tunnel
The invention provides a fin and wing aeroelasticity test device of a high-speed wind tunnel. The fin and wing aeroelasticity test device of the high-speed wind tunnel comprises a protection mechanism, a supporting mechanism, a reflection board, a supporting baffle, a base and a bottom surface platform. The protection mechanism is arranged in front of the supporting mechanism and mainly comprises a protection cover, a guide rail and a cylinder. The cylinder is fixed to the lower portion of the base. The base is installed on the bottom surface platform, and the position of the base can be adjusted front and back. The protection cover is connected with the cylinder and the guide rail in a mode of moving vertically. The supporting mechanism is fixed to the base and used for supporting a model. The reflection board is arranged at the root of the model through the supporting baffle. The reflection board is provided with an opening matched with the protection cover and the model so that the reflection board cannot make contact with the protection cover or the model. The fin and wing aeroelasticity test device of the high-speed wind tunnel can be used for carrying out fin and wing aeroelasticity test research in the high-speed wind tunnel. The protection mechanism is used for protecting the model against impact from a wind tunnel flow field, and when the vibration amplitude of the model is large, vibration damage to the model can be prevented.
Owner:CHINA ACAD OF AEROSPACE AERODYNAMICS
Default Final Offers in Online Auctions
InactiveUS20070244762A1Overcome potential disparityMitigate inherent technology riskCommerceThe InternetCritical period
The present invention relates generally to a system and method for conducting online auctions, and has particular application in conducting business over a network of computers such as the Internet for establishing materials or service supply contracts. The invention relates to use of default final offers in an online auction event between a first party and at least two counter-parties, being competing participants in the online auction event, and the method includes the steps of designating a time period for the online auction event, permitting each of said competing participants to prescribe a default final offer before or during the online auction event, conducting the auction between the competing participants by permitting the participants to submit bids, checking, at or after the expiry of said time period, default final offers prescribed by competing participants, and, if a competing participant's default final offer represents a competitive offer, registering the offer as a valid bid without any further intervention by that competing participant. The invention, which can be applied to both forward and reverse auctions, permits competing participants to selectively safeguard their respective positions in the event of inadvertent disconnection from the online auction system, or other circumstances that prevent them actively participating in a critical period of the auction event.
Owner:OZB2B
A kind of leather ball and its manufacturing process
InactiveCN104524748BOvercoming the problem of degumming and peelingGood lookingHollow inflatable ballsEngineeringRidge
The invention discloses an envelope-pasted rubber ball. The envelope-pasted rubber ball comprises a vulcanized middle bladder, an envelope and ridge strips, wherein a plurality of grooves are formed in the outer surface of the vulcanized middle bladder, the grooves divide the outer surface of the vulcanized middle bladder into a plurality of piece regions according to ball class standards, the envelope is pasted to the piece regions of the vulcanized middle bladder through glue, the width of the envelop is slightly larger than the width of the piece regions of the vulcanized middle bladder, the part, exceeding the piece regions of the vulcanized middle bladder, of the envelope is attached to side ridges of the grooves through edge folding, and the ridge strips are embedded and pressed into the grooves through glue. The envelope-pasted rubber ball solves the problems that a traditional rubber ball becomes unglued and peels after being used for a long time, achieves seamless connection between the envelope and the ridge strips, solves the problem that clearances exist between the ridge strips and the envelope in the prior art, and guarantees a beautiful appearance.
Owner:TONGCHENG HUILONG SPORTS PROD
Extruder and extruding tool thereof
ActiveCN102000711AOvercome gapOvercome sizeExtrusion profiling toolsEngineeringMechanical engineering
The invention discloses an extruding tool, which includes an extruding die support and a shear, one end of the extruding die support, close to the shear, is equipped with an inclined surface inclining relative to the shear, and an angle is formed between the inclined surface and an end surface of one end close to the shear; and a connection between a guide rod and a blade of the shear is provided with an adjusting gasket. Defective materials are cut under regulation of the adjusting gasket of the shear and the inclined surface of the extruding die support, no defective material is remained on the end surface of the die, in the cutting process of the defective material, for the reason of regulation of the adjusting gasket of the shear and the inclined surface of the extruding die support and change of cutting positions, gaps and size generated by some mechanism design and attrition of the extruder are eliminated, and no defective material is remained on the end surface of the extruding die in the cutting process. The extruding die cannot be blocked, products are prevented from being discarded, an extruding cylinder can be tightly locked to avoid generation of 'big cap', and the shear is prevented from being locked by the residual defective materials. The invention also discloses an extruder using the extruding tool.
Owner:SOUTHWEST ALUMINUM GRP
Method and a corresponding system for creativity and innovation management
InactiveUS20060167715A1Easy to implementQuick conversionMarketingDecision makerInnovation management
A methods and a corresponding systems for creation, sharing, disseminating, gathering, tracking, developing, archiving, and managing of information regarding: business goals, creative ideas in coherence with specific business goals, and implementations of these creative ideas. The first preferred main step is propagating required goals from predefined decision makers to predefined employees. The second preferred main step is helping the entrepreneurs with executing, developing and maintaining the creative idea and / or its outputs.
Owner:THIEBERGER GIL
Method for preparing dual damascene structure
ActiveCN103681463AGood effectEasy to fillSemiconductor/solid-state device manufacturingState of artMetallic materials
The invention relates to a method for preparing a dual damascene structure. The method comprises the following steps: providing a semiconductor substrate; sequentially forming an etching stop layer, a dielectric layer, a hard mask laminated layer and a metallic hard mask layer on the substrate; etching the metallic hard mask layer and the hard mask laminated layer to form tapered openings; forming a patterned through hole mask layer on the metallic hard mask layer; etching the dielectric layer to form a plurality of grooves and through holes; filling the grooves and the through holes by a metallic material and executing chemical-mechanical planarization. In order to achieve a better effect when the through holes are filled, the tapered openings are first formed on the metallic hard mask layer, an oxide hard mask layer and a low-k material hard mask layer so as to obtain the openings with big tops, the through holes are filled through the tapered openings, a better filling effect can be achieved, and the problem in the prior art that holes and gaps easily occur is solved.
Owner:SEMICON MFG INT (SHANGHAI) CORP
A two-dimensional constant force micro positioning platform based on compliant mechanism
PendingCN109019503ARealize two degrees of freedom movementOvercome gapPiezoelectric/electrostrictive devicesFlexible microstructural devicesCompliant mechanismConstant force
The invention discloses a two-dimensional constant force positioning platform, for providing a constant force output in a specified direction in a two-dimensional plane, comprising a force input end,a force output end, a guide mechanism, a decoupling mechanism, a constant force mechanism, and a base. The guide mechanism and the decoupling mechanism respectively comprise a first guide mechanism and a first decoupling mechanism symmetrically distributed in the x direction with respect to the y direction and a second guide mechanism and a second decoupling mechanism symmetrically distributed inthe y direction with respect to the x direction. The force input end and the force output end are respectively arranged at the two ends of the first decoupling mechanism and the second decoupling mechanism, and the decoupling mechanism is respectively connected to the base through a bistable beam capable of generating negative stiffness and a composite straight beam capable of generating positivestiffness. A quasi-zero stiffness system is composed of the bistable beam and the composite straight beam in parallel. By adopting the two-dimensional constant force positioning platform of the invention, the constant force output and the two-degree-of-freedom motion are realized, and the decoupling performance is good, the positioning accuracy is high, and the structure is simple.
Owner:JIANGXI UNIV OF SCI & TECH
Device for launching fire-extinguishing bullet at high-rise building by unmanned aerial vehicle
Owner:曹伟
Device for the pulsed release of an amount of fluid which can be stored in an accumulator housing
ActiveCN102575761ASimple structureNo maintenanceGearing controlActuator accumulatorsEngineeringMechanical engineering
Device for the pulsed release of an amount of fluid (3) which can be stored in an accumulator housing (2). A device for the pulsed release of an amount of fluid which can be stored in a storage housing (2) is characterized in that a locking device (7) is formed by a piston-cylinder arrangement (8) having a cylinder housing (9) that is subdivided into a first working chamber (11) and a second working chamber (12) by a working piston (10), an electrorheological or magnetorheological valve (14) in the form of a gap (15) or an opening being arranged between the working chambers (11, 12) in the circumference (13) of the working piston (10) or in the working piston (10) as such.
Owner:HYDAC TECH GMBH
Practical autonomous seismic recorder implementation and use
ActiveUS9176242B2Less energyImprove accuracySeismic signal receiversSeismic signal recordingTimerGeophysics
Owner:CONOCOPHILLIPS CO
Liquid crystal display with transparent conductive film on sandwich insulated film formed by coating
InactiveCN1475852AReduce contact resistanceOvercome gapTransistorSemiconductor/solid-state device manufacturingLiquid-crystal displayTransparent conducting film
A LCD has the bus arranged in lattice mode, switch elemenets coupled with bus and the pixel electrode arranged on plated insulating sandwich membrane. When a transparent conductive film is formed on said plated insulating sandwich membrane, the temp of substrate is controlled at 100-170 deg.C. In the non-heating state, the flow speed ratio of oxygen is 1% or lower and the formed film is annealed.As a result, when the ITO film is formed on said insulating sandwich membrane, there are no residual etching dregs and the contact resistance between ITO film and lower-layer metal is decreased.
Owner:NEC LCD TECH CORP
An elliptical walking machine
ActiveCN106075814BOvercome gapOvercome precisionMovement coordination devicesCardiovascular exercising devicesKinesiologyEngineering
The invention discloses an oval walking machine which comprises a base, a rack connected with the base and left and right movement mechanisms identical in structure and symmetrically arranged on left and right sides of the rack. A pedal frame adopts a mode combining rollers with guide rails, double four-connecting-rod structures are adopted, and forward-backward movement and upward-downward and angle adjusting of pedals are combined organically, so that mountaineering and pedaling actions can be better simulated; a rotating structure is adopted for amplitude adjustment, so that the defects of gaps and high manufacturing accuracy of conventional sliding structures are overcome, step amplitude can be intelligently changed to adapt to training of different human functions, human training effect is improved better, and kinesiology is met better; a machine platform is more reasonable in stress, so that overall service life of the machine platform is prolonged.
Owner:IMPULSE QINGDAO HEALTH TECH
Method for preparing injectable bioactive glass composite material for bone filling
InactiveCN106188361AHigh strengthOvercome the defect of low strengthPharmaceutical delivery mechanismTissue regenerationBiocompatibility TestingPolymer chemistry
The invention discloses a method for preparing an injectable bioactive glass composite material for bone filling. The method includes: taking tetraethyl orthosilicate, triethyl phosphate, NaNO3, Ca(NO3)2.4H2O and Mg(NO3)2 as precursors and taking polyvinyl alcohol and polydimethylsiloxane as pore forming agents to prepare bioactive glass gel according to a sol-gel method under the catalyst action, and washing, drying and grinding to obtain porous bioactive glass micropowder; subjecting the porous bioactive glass micropowder to polymerization reaction with N-isopropyl acrylamide mixed solution to obtain the paste injectable bioactive glass composite material for bone filling. The method for preparing the injectable bioactive glass composite material for bone filling has advantages that problem that existing bone filling materials are low in strength and have gaps with defective tissues in use is solved, and high biocompatibility, sufficient strength and close fit with bones are realized.
Owner:HUBEI UNIV
Underground packed-hole vortex tool for water drainage and gas production
An underground packed-hole vortex tool for water drainage and gas production comprises a salving head, a swirl flow body, a connecting body, a liquid incoming pipe and a sitting and clamping device. A spiral wing in the swirl flow body is composed of two parts, each part is composed of a cuboid structure and a spiral structure, and the two parts have certain spiral lift angle structures which are connected, have 360-degree projection and are mounted in a rectangular through groove and a spiral through groove of an outer barrel 4; a conical mandrel moves downwards to provide radial thrust to strut upper and lower annular springs to enable the same to extend along the rectangular groove of the outer barrel and to get close to the inner wall of a pipe column so as to realize packed-hole working state of the vortex tool; when the conical mandrel moves upwards, the spiral wing under elasticity action of the annular springs contracts along the rectangular groove of the outer barrel to the center and breaks away from the inner wall of the pipe column so as to realize diameter shrinkage. An extensible structure is adopted, the problem that a gap exists between a conventional vortex tool and the inner wall of the pipe column is solved, the packed-hole working state of the vortex tool is realized, own energy of a gas well is utilized fully, and liquid carrying ability and liquid discharging effect of the gas well are improved.
Owner:陕西圣润能源环保科技有限公司
Constant-force conduction device
The invention aims to provide a constant-force conduction device. The constant-force conduction device comprises a force input end, a force output end, an upper force conduction piece, a first middleguide device and a connecting rod assembly, wherein the upper force conduction piece comprises a first upper force conduction piece and a second upper force conduction piece; the connecting rod assembly comprises a first connecting rod assembly; one end of the first upper force conduction piece is connected with the force input end, and the other end of the first upper force conduction piece is connected with a first end of the first middle guide device; one end of the second upper force conduction piece is connected with a second end of the first middle guide device, and the other end of thesecond upper force conduction piece is connected with the force output end; and one end of the first connecting rod assembly is connected with the force input end, the other end of the first connecting rod assembly is connected with the force output end, and the middle part of the first connecting rod assembly is connected with the first middle guide device. Through the arrangement for the connecting rod assembly, constant-force output is achieved; and the constant-force conduction device is simple in structure, and easy to machine and manufacture.
Owner:HRG INT INST FOR RES & INNOVATION
Voice coil motor active suspension
InactiveCN112688531AHigh damping efficiencyRealize vibration isolation and noise reductionElectric propulsion mountingPropulsion systemsElectric machineryAcoustics
The invention discloses a voice coil motor active suspension, which relates to the technical field of vehicle suspension vibration reduction, and comprises a suspension shell part, a passive vibration reduction loop component and an active vibration reduction loop component, the passive vibration reduction loop component and the active vibration reduction loop component are both arranged in the suspension shell part, and the passive vibration reduction loop component is arranged between the active vibration reduction loop component and the suspension shell part. The top of the passive vibration reduction loop component and the top of the active vibration reduction loop component are both connected with the load end of the suspension shell part. A voice coil motor can be actively controlled to generate exciting force according to real-time working conditions so as to counteract vibration interference, high vibration reduction efficiency is achieved, and the voice coil motor active suspension is suitable for vibration reduction of a vehicle suspension system with high requirements for comfort and stability.
Owner:SHANGHAI UNIV
Component and production method
Owner:SCHILCHER JOSEF
Microcomputer controlled semi-automatic optical fibre circling machine
InactiveCN1330552CRealize interactive operationSimple mechanical structure designFilament handlingTurn-sensitive devicesFiberMicrocomputer
The invention discloses a microprocessor controlled semi-automatic coiling machine, including PC machine, control program stored in the PC and coiling machine. Where the coiling machine is connected with the PC machine by the interface of the electric control system of the circling machine; the coiling machine is composed of fiber feeding mechanism, fiber arranging mechanism, fiber collecting mechanism, tension control mechanism and electric control system, where the fiber feeding, arranging and collecting mechanisms are installed on the underframe in sequence, the tension control mechanism is installed in a tension control box whose base board is installed on the box, which is installed on the underframe and the electric control system is installed in the box; the coiling machine can coil a Phi0.16-Phi0.25mm optical fiber, arrange lines at intervals of 1-60 mm, control tension at 0-15g and implement four-stage coiling method and complete coiling fiber and coating glue, synchronously.
Owner:BEIHANG UNIV
Liquid crystal display with transparent conductive film on coated formed sandwich insulation film
InactiveCN1716022AReduce contact resistanceOvercome gapNon-linear opticsTemperature controlElectrical resistance and conductance
One kind of LCD is made, which has lattice buses, switch elements coupled to the buses, and pixel electrodes set on coating formed insulating film and coupled to the switch elements. During making the LCD, the transparent conducting film is formed on the sandwiched insulating film at the substrate temperature controlled at 100-170 deg.c. Or, the transparent conducting film is formed on the sandwiched insulating film under the conditions of no-heating state and oxygen flow rate ratio controlled in 1 % or lower, and the formed transparent conducting film is then annealed. Therefore, when ITO film is etched on the sandwiched insulating film, no corrosive residue is generated. In addition, the contact resistance between the ITO film and the lower metal layer is reduced to avoid display fault.
Owner:NEC LCD TECH CORP
A method of manufacturing a semiconductor device
ActiveCN103633015BGood effectEasy to fillSemiconductor/solid-state device manufacturingPower semiconductor deviceDielectric layer
The invention relates to a manufacturing method of a semiconductor device. The method comprises: providing a semiconductor substrate; successively forming an etching stop layer, a first dielectric layer, a second dielectric layer a hard mask layer and a metal hard mask layer on the substrate, wherein the second dielectric layer has a slower etching rate than the first dielectric layer; etching the metal hard mask layer to form an opening; and taking the metal hard mask layer as a mask layer to etch the hard mask layer, the second dielectric layer and the first dielectric layer to form a taper trench provided with a larger upper opening and an inclined side wall. According to the invention, in order to obtain better effects during trench filling, two ultra low K materials with different etching rates are arranged below a hard mask, the taper trench is formed by use of the different etching rates of the two in an etching process, and better filling effects can be obtained by use of the larger opening of the taper groove such that the problems of cavities and gaps easily occurring in the prior art are overcome.
Owner:SEMICON MFG INT (SHANGHAI) CORP
A Liftable Tilt Adjustment Device Based on Flexible Sheet and Spherical Bearing
InactiveCN105600704BOvercome the disadvantages of seriesCompact structureLifting framesSpherical bearingEngineering
A liftable tilt adjustment device based on a flexible sheet and a spherical bearing belongs to the technical field of processing and detection technology, and relates to a liftable tilt adjustment device based on a flexible sheet and a spherical bearing. The invention can simultaneously realize height lifting and tilt adjustment, has a compact structure, reduces weight and space, reduces error accumulation, and reduces operation complexity at the same time. The present invention consists of a motion platform, several lifting mechanisms and several manual top-pull mechanisms. The lift mechanisms are composed of guide rails, sliders, slider connecting plates and first clamps. The manual top-pull mechanisms are all It consists of a second clamp, a screw, a base, a ball top block, a connecting nut and a nut connecting block.
Owner:CHANGCHUN INST OF OPTICS FINE MECHANICS & PHYSICS CHINESE ACAD OF SCI
Liquid crystal display with transparent conductive film on sandwich insulated film formed by coating
InactiveCN1226659CReduce contact resistanceOvercome gapTransistorSemiconductor/solid-state device manufacturingLiquid-crystal displayTransparent conducting film
A LCD has the bus arranged in lattice mode, switch elemenets coupled with bus and the pixel electrode arranged on plated insulating sandwich membrane. When a transparent conductive film is formed on said plated insulating sandwich membrane, the temp of substrate is controlled at 100-170 deg.C. In the non-heating state, the flow speed ratio of oxygen is 1% or lower and the formed film is annealed. As a result, when the ITO film is formed on said insulating sandwich membrane, there are no residual etching dregs and the contact resistance between ITO film and lower-layer metal is decreased.
Owner:NEC LCD TECH CORP
A full-closed-loop control system and method based on a sensorless servo press
ActiveCN110757882BSolve the problem of control accuracyRealize full closed-loop controlPressesLoop controlPredictive controller
The invention belongs to the field of control technology and plastic forming technology, and in particular relates to a full-closed-loop control system and method based on a sensorless servo press. The electronic control system of the whole machine of the present invention is equipped with process curve interpolation algorithm, dynamic analysis and model building modules, nonlinear predictive controller and robust controller, and the speed observer without position sensor is used in the servo driver. grid viewer. The difference between the forming process curve and the actual position of the slider is used as the input of the dynamic analysis and model building module, and the given output torque is used as the parameter input of the robust controller, and the nonlinear predictive controller replaces the PI in the robust controller. Function, the output of the nonlinear predictive controller is the parameter input of the robust controller, and the output of the robust controller is used as the input of the Lunberg observer, and finally realizes the precise position control of the slider, which solves the problem of the position of the traditional servo press. There is a problem of overshoot in the control mode.
Owner:JINING KELI PHOTOELECTRIC IND CO LTD +1
Construction waste environment-friendly ship loader
The invention discloses a construction waste environment-friendly ship loader, and belongs to the technical field of ship loaders. The construction waste environment-friendly ship loader comprises a main machine frame, a muck car lifting system is installed inside the main machine frame and comprises a pair of lifting platforms, the lifting platforms are slidably connected with the main machine frame through guide rails, a plurality of first winding devices are fixedly installed at the top end of the main machine frame and connected with first steel wire ropes, the ends, away from the first winding devices, of the first steel wire ropes are connected with the lifting platforms at the corresponding positions, and climbing devices are fixedly connected to the left end and the right end of the main machine frame. The construction waste environment-friendly ship loader is suitable for moving construction waste loosen materials, the muck truck lifting system is used in cooperation with shiploading equipment, the materials are transported to a wharf through a muck truck and directly self-dumped to a continuous ship loader, and therefore intermediate links of construction waste moving are reduced, the phenomena of material blocking and equipment damage are effectively avoided, and continuous supply of the materials is effectively guaranteed.
Owner:JIANGSU WANBAO MACHINERY
A kind of preparation method of double damascene structure
ActiveCN103681463BGood effectEasy to fillSemiconductor/solid-state device manufacturingMetallic materialsDielectric layer
The invention relates to a method for preparing a dual damascene structure. The method comprises the following steps: providing a semiconductor substrate; sequentially forming an etching stop layer, a dielectric layer, a hard mask laminated layer and a metallic hard mask layer on the substrate; etching the metallic hard mask layer and the hard mask laminated layer to form tapered openings; forming a patterned through hole mask layer on the metallic hard mask layer; etching the dielectric layer to form a plurality of grooves and through holes; filling the grooves and the through holes by a metallic material and executing chemical-mechanical planarization. In order to achieve a better effect when the through holes are filled, the tapered openings are first formed on the metallic hard mask layer, an oxide hard mask layer and a low-k material hard mask layer so as to obtain the openings with big tops, the through holes are filled through the tapered openings, a better filling effect can be achieved, and the problem in the prior art that holes and gaps easily occur is solved.
Owner:SEMICON MFG INT (SHANGHAI) CORP
Upper cutter shaft moving mechanism in edge trimmer
InactiveCN102773875AOvercome gapGuaranteed accuracyMetal working apparatusEngineeringLinear displacement
The invention relates to an upper cutter shaft moving mechanism in an edge trimmer, which belongs to the field of the edge trimming mechanical technology. Witht the arrangement of a linear guide rail and a linear displacement sensor on the edge trimmer, the problem of the edge trimmer that the moving precision of a cutter shaft and the processing precision of a manufactured piece are directly affected because a gap between the guide rail plate and the rack is uneven is overcome. According to the upper cutter shaft moving mechanism in an edge trimmer, the linear guide rail is installed on an engine body, a guide rail sliding block is installed on the upper sliding block of the cutter shaft, and thus the problem is solved by moving the linear guide rail. The precision of all aspects is guaranteed, the moving distance is measured by the linear displacement sensor to guarantee the detection precision and provide convenience for improving the production efficiency, and thus the upper cutter shaft moving mechanism in an edge trimmer has the advantage of strong practicality.
Owner:JIANGSU YAWEI MACHINE TOOL
High-efficiency stable large-area semitransparent perovskite solar cell and preparation method thereof
PendingCN114038998AOvercoming gaps between layersOvercoming the problem of pinhole defectsSolid-state devicesSemiconductor/solid-state device manufacturingPerovskite solar cellElectrical battery
The invention relates to the technical field of perovskite solar cells, in particular to a high-efficiency stable large-area semitransparent perovskite solar cell and a preparation method thereof. Thehigh-efficiency stable large-area semitransparent perovskite solar cell comprises a conductive substrate layer, a hole transport layer, a perovskite light absorption layer, an electron transport layer, an ALD seed crystal layer, an ALD atomic layer and a TCO transparent electrode are sequentially formed on the surface of the conductive substrate layer, and the ALD seed crystal layer and the ALD atomic layer form a sputtering buffer double layer. According to the high-efficiency stable large-area semitransparent perovskite solar cell provided by the invention, the efficiency and the stability of the large-area semitransparent perovskite solar cell are greatly improved under the condition that the active area of the cell is relatively large, and technical reserve is provided for commercialization of the large-area semitransparent perovskite solar cell in the future; and the solar cell can be applied to the fields of building photovoltaic integration, laminated cells and the like.
Owner:JINAN UNIVERSITY
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