Patents
Literature
Patsnap Copilot is an intelligent assistant for R&D personnel, combined with Patent DNA, to facilitate innovative research.
Patsnap Copilot

91results about How to "Solve sticking" patented technology

Silicon on insulator (SOI) wafer double-mask etching-based vertical comb teeth driven torsional micro-mirror and manufacturing method thereof

The invention discloses a silicon on insulator (SOI) wafer double-mask etching-based vertical comb teeth driven torsional micro-mirror and a manufacturing method thereof, which belong to the fields of micro-electro-mechanical systems and micromachining. The torsional micro-mirror is driven by single side comb teeth and is provided with three layers of moveable parts and fixed parts with the same structure. The torsional micro-mirror can work in a static mode or in a dynamic mode by applying voltage signals to different comb teeth. The method for manufacturing the vertical comb teeth driven torsional micro-mirror is characterized in that: single SOI wafer processing technology is adopted without multi-layer thin film sedimentation or bonding technology; the whole technological process only needs two mask plates; the upper and lower vertical comb teeth are etched by one mask without an alignment error problem of the comb teeth; and the technological process does not need hydrogen fluoride (HF) corrosion so as to effectively avoid adhesion among the comb teeth caused by a liquid environment. The manufacturing method has the advantages of high precision, low cost, small stress, high finished product rate, simple process, high repeatability, easy batch production and the like.
Owner:NORTHWESTERN POLYTECHNICAL UNIV

Two-wheel slotter

The invention provides a dual wheel slot milling machine, comprising a guide frame, a sealing box body, a driving device and at least one milling wheel which is arranged on the lower part of the sealing box body and provided with a plurality of milling heads along the periphery of the milling wheel and can positively or negatively milling-dig soil layer and rock layer, wherein the driving device comprises a hydraulic motor with low rotary speed and big torque arranged in the sealing box body by the oil immersion lubrication sealing, and a variable speed transmission mechanism consisting of a small chain wheel arranged on an output shaft of the hydraulic motor, a big chain wheel used to drive the milling wheel to turn and a chain used to connect the small chain wheel and the big chain wheel. Due to the adoption of the structure of the driving device with the combination of the hydraulic motor with low rotary speed and big torque and the chain transmission, the slot milling machine is safe and highly efficient, and can perfectly construct the continuous wall with flattening, same thickness and big width, and the work efficiency, rotating speed and torque of the slot milling machine are almost the same as the imported equipment; moreover, the slot milling machine has the advantages of simple and reliable structure, low manufacturing cost, convenient assembly, disassembly and maintenance, low maintenance cost, energy conservation, environmental protection and easy popularization.
Owner:谢沃林

Method for manufacturing monolithic polysilicon cantilever structure

The invention relates to a method for manufacturing a monolithic polysilicon cantilever structure. In the invention, a processing step of the polysilicon cantilever structure is inserted in a conventional BiCMOS (Bipolar Complementary Metal Oxide Semiconductor) technical process, the deposition and the annealing of polysilicon are finished and an MEMS (Micro-Electro-Mechanical Systems) high-temperature process is prevented from influencing on the metalation process before the metalation process. In the release process of the polysilicon cantilever structure, a special etching solution is adopted, and a negative photoresist is used as a post of the polysilicon cantilever structure so as to effectively avoid the problem of substrate adhesion in the cantilever structure release process by using a wet method. The method provided by the invention solves the technical problems of compatibility between a manufacture process of the polysilicon cantilever structure and a processing process of a BiCMOS circuit, realizes the monolithic integration of the polysilicon cantilever structure and a BiCMOS signal processing circuit, and can be widely applied to the monolithic integration manufacture field of MEMS sensors, such as capacitive accelerometers, gyroscopes, and the like.
Owner:NO 24 RES INST OF CETC

Preparation method of high-yield cyanuric acid and its derivatives sodium dichloroisocyanurate and trichloroisocyanuric acid

A preparation method of high-yield cyanuric acid and its derivatives sodium dichloroisocyanurate and trichloroisocyanuric acid comprises the following steps of: uniformly mixing urea and a catalyst ammonium sulfate, adding the mixture into a reaction vessel, forming a uniform thin material layer on a conveyor belt when the materials reach a certain temperature, liquid viscosity is increased and the liquid is still at a liquid state, and allowing the thin material layer to pass through a tunnel type heating chamber of a tunnel type heating device for heating at high temperature such that the temperature of the materials is rapidly raised to 250-280 DEG C in a short time. As the reaction time of the materials is short and the reaction speed is fast, there are few side effects and product decomposition is low. The cyanuric acid crude product prepared in the invention has high purity and high yield. During the refining process, inorganic dilute acid is used to process the cyanuric acid crude product. After centrifugation, a cyanuric acid refined product is directly used in the synthesis of its derivatives sodium dichloroisocyanurate and trichloroisocyanuric acid without being dried. By the adoption of the method, the adhesive problem of heating surface in production preparation is solved, production speediness and continuity are realized, and industrial production efficiency is raised.
Owner:河北田加力生物科技股份有限公司

Ridge culture field soil surface microtopography processing bionic structure rolling soil-engaging part

The invention belongs to agricultural machinery, in particular relates to a rolling soil-engaging part for compacting soil and changing soil surface microtopography after seeding in a ridge culture mode, and in particular relates to a ridge culture field soil surface microtopography processing bionic structure rolling soil-engaging part. The part mainly comprises ridge table rollers, ridge trenchrollers and a total frame, wherein a plurality of ridge table rollers and ridge trench rollers are arranged, are connected in series on the total frame through a ridge table roller frame and a ridge trench roller frame respectively and can rotate around the total frame; a ridge table roller bushing and a ridge trench roller bushing are arranged on the surfaces of the ridge table roller frame and the ridge trench roller frame; and ridge table roller teeth and ridge trench roller teeth having geometric structures are uniformly distributed on the circumferences of the surfaces of the ridge tablerollers and the ridge trench rollers. On the premise of guaranteeing a soil compaction function, the rolling resistance is reduced, the adhesion between the part and soil is reduced, soil microtopography is changed, and soil water storage and soil moisture conservation capacity and agro-ecology are improved; therefore, farmland resists severe weather conditions, and sustainable production increase capacity is improved.
Owner:JILIN UNIV

Pitch mixed material warm-mixing and regenerating equipment

The invention discloses pitch mixed material warm-mixing and regenerating equipment. The equipment comprises a pitch mixed material plant-mixing primary system, a pitch mixed material plant-mixing regenerating system, an additive processing system and a tail gas processing system, wherein a pitch sprinkling system in the pitch mixed material plant-mixing primary system is a warm-mixing foam pitch sprinkling system which comprises a foamed pitch foaming device, a foamed pitch water metering device, a pitch metering device and a remote control system. The technical problems of cementation, pitch ageing and the like in traditional pitch mixed material thermal regeneration equipment are effectively solved. The heating temperature required for mixing new aggregate materials and regenerated materials is reduced, and convenience is brought for construction; the pollution of regenerated materials to environment is reduced, so that the working efficiency of the equipment is improved. The equipment has the advantages of simple and practical structure, simplicity in operation and control and stability in work. The equipment is suitable for the production of various pitch mixed materials and regenerated materials, and can be joined and matched with pitch stirring equipment and regenerating equipment for use.
Owner:河南亚龙智能装备有限公司

Comb tooth micro-accelerometer capable of resisting high-g-value impact, and preparation method thereof

The invention discloses a comb tooth micro-accelerometer capable of resisting high-g-value impact, and a preparation method thereof. A first fixed anchor block is located on the left side of a movablemass block, a second fixed anchor block is located on the right side of the movable mass block, a first stop block and a first supporting beam are arranged between the first fixed anchor block and the movable mass block, and a second stop block and a second supporting beam are arranged between the second fixed anchor block and the movable mass block. The first supporting beam and the second supporting beam are each of a U-shaped folding structure. One end of the first supporting beam is fixed on the first fixed anchor block; the other end of the first supporting beam is fixed on the left sidesurface of the movable mass block; one end of the second supporting beam is fixed to the second fixed anchor block, the other end of the second supporting beam is fixed to the right side face of themovable mass block, the first stop block is fixed to the first fixed anchor block, and the second stop block is fixed to the second fixed anchor block. The accelerometer has high stability and high gvalue impact resistance.
Owner:XI AN JIAOTONG UNIV

Polylactic acid hot molding method

The invention discloses a polylactic acid hot molding method. A mold is adopted and an anti-sticking coating layer is sprayed on the internal surface of the mold. The polylactic acid hot molding method comprises the following steps of: 1) heating a first preheating box and a preheating roll, wherein the temperature of the first preheating box is controlled to be 70-130 DEG C; and heating the mold, wherein the temperature of the internal surface of the mold is kept to be 80-110 DEG C; 2) fermenting raw materials into lactic acid, polymerizing the lactic acid into polylactic acid and feeding the polylactic acid into a tunnel caterpillar blister positive-pressure and negative-pressure hot molding machine to form sheets; and 3) conveying the sheets to a second preheating box for crystallization, when the polylactic acid sheets reach a critical point of hot molding crystallization and the crystallization degree reaches 10-20 percent, feeding the polylactic acid sheets into the mold to realize hot molding, and molding the polylactic acid through positive-pressure and negative-pressure blister molding to obtain polylactic acid products with the crystallization degree being 20-30 percent and heat-resistant temperature being higher than 90 DEG C. The polylactic acid hot molding method provided by the invention has the advantages that the polylactic acid materials can be used more widely, the carbon emission is reduced and the environment is protected.
Owner:浙江启泰生物材料有限公司

Brick discharging and packaging production line and brick discharging and packaging method

The invention relates to the technical field of brick production, and discloses a brick discharging and packaging production line and a brick discharging and packaging method. The brick discharging and packaging production line comprises a brick stack conveying frame, a stack dividing mechanism, a first brick receiving conveying frame, a second brick receiving conveying frame, a first brick conveying frame, a second brick conveying frame and a brick stacking mechanical arm. According to the brick discharging and packaging method, the brick stack conveying frame conveys brick stacks to the stack dividing mechanism, the stack dividing mechanism carries out stack arranging, stack supporting and stack dividing, bricks on the two sides of stack dividing chucks are received through the first brick receiving conveying frame and the second brick receiving conveying frame, the bricks are conveyed to the first brick conveying frame and the second brick conveying frame respectively, and then the bricks are conveyed to the brick stacking mechanical arm to be stacked again and packaged. According to the brick discharging and packaging production line and the brick discharging and packaging method, the speed is high, and the effect is good; and the problem that bricks adhere to one another which puzzles industry development all the time is effectively solved through brick arranging, brick clamping and jacking separation gaps, the bricks are stably transferred through a brick shifting mechanism, and the using effect is good.
Owner:南阳力王机械有限公司

Two-wheel slotter

The invention provides a dual wheel slot milling machine, comprising a guide frame, a sealing box body, a driving device and at least one milling wheel which is arranged on the lower part of the sealing box body and provided with a plurality of milling heads along the periphery of the milling wheel and can positively or negatively milling-dig soil layer and rock layer, wherein the driving device comprises a hydraulic motor with low rotary speed and big torque arranged in the sealing box body by the oil immersion lubrication sealing, and a variable speed transmission mechanism consisting of a small chain wheel arranged on an output shaft of the hydraulic motor, a big chain wheel used to drive the milling wheel to turn and a chain used to connect the small chain wheel and the big chain wheel. Due to the adoption of the structure of the driving device with the combination of the hydraulic motor with low rotary speed and big torque and the chain transmission, the slot milling machine is safe and highly efficient, and can perfectly construct the continuous wall with flattening, same thickness and big width, and the work efficiency, rotating speed and torque of the slot milling machine are almost the same as the imported equipment; moreover, the slot milling machine has the advantages of simple and reliable structure, low manufacturing cost, convenient assembly, disassembly and maintenance, low maintenance cost, energy conservation, environmental protection and easy popularization.
Owner:谢沃林

Bonding technology of steel-glass reinforced plastic composite material for tank path and tank path beam

InactiveCN101607447AImprove adhesionAvoid steel oxidationAir bubbleAcid washing
The invention discloses a bonding technology of a steel-glass reinforced plastic composite material for a tank path and a tank path beam. The bonding technology comprises the following steps: firstly, selecting steel material, carrying out alkali washing, acid washing, sand beating and passivation; coating the surface of the steel material after being processed with a coupling agent; coating a parting agent on a mould, dipping glass fibre cloth in gum, and filling the glass fibre cloth after gum dipping into a mould cavity of the mould; pressing the steel material in the center of the mould, compacting to manufacture a product, removing, stripping mould t after natural curing is carried out for 20 to 50 minutes, and flatly placing the manufactured product after mould stripping and then fully curing naturally. The coupling agent is used as a first layer of isolation for enhancing the bonding force between the steel material and glass reinforced plastics, and specially prepared glue liquid with strong bonding force is used for isolating the steel material and outside oxygen and is used as a second layer of isolation. By adopting glass reinforced plastic fibre multi-layer protection, on one hand, striking force is dispersed in the collision process, and on the other hand, the oxidation of the steel material is avoided. The invention solves the problem of the bonding of glass reinforced plastics and square steel, saves energy, lowers consumption, reduces pollution and obtains a favorable renovation benefit.
Owner:JIANGSU JINGYUAN ENERGY SAVING ENVIRONMENTAL PROTECTION

Efficient three-return-stroke roller dryer for wet sand treatment

The invention relates to the technical field of drying equipment, in particular to an efficient three-return-stroke roller dryer for wet sand treatment. The efficient three-return-stroke roller dryercomprises a base, a controller, a conveying belt and a drying mechanism, wherein the controller is arranged at the top of the base through a supporting rod, the drying mechanism comprises a drying box, a warning assembly, a driving assembly and three sets of stirring assemblies, the drying box is vertically arranged through an annular frame body, the warning assembly is arranged at the top of thedrying box, the driving assembly is vertically inserted into the drying box through a bearing, the three sets of stirring assemblies are arranged in the drying box at equal intervals and are connectedwith the driving assembly in a sleeving mode, and the warning assembly and the driving assembly are electrically connected with the controller. According to the efficient three-return-stroke roller dryer for wet sand treatment, the wet sand can be dried in step-by-step and layer-by-layer mode, the drying work can be prompted gradually, the drying stroke is effectively prolonged, the drying efficiency is improved, and the drying effect of wet sand is obviously improved.
Owner:安徽金砖建筑节能材料有限公司
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products