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791results about How to "Guaranteed distance" patented technology

Intelligent vehicle formation driving method

The present invention relates to an intelligent vehicle formation driving method. The method includes the following steps that: the types of vehicles in a formation are judged, and vehicle information is registered; a leader vehicle obtains the vehicle information of the leader vehicle itself and sends the vehicle information to a follower vehicle; the follower vehicle analyzes the vehicle information sent by the leader vehicle and autonomously plans a path, so that control on the follower vehicle is completed; the follower vehicle packs its own vehicle information and sends the packed vehicle information to the leader vehicle; and the leader vehicle analyzes received follower vehicle information and adjust its own action. With the method of the invention adopted, in formation driving, it can be ensured that the follower vehicle can drive to follow the driving path of the leader vehicle, and relative distances and speeds of the driving vehicles can be ensured; and in an emergency situation, the driver of the leader vehicle can immediately detect a danger, and analyze the danger to respond to the danger, and therefore, the occurrence of accidents can be avoided, the safety and stability of vehicle formation can be greatly improved.
Owner:BIT INTELLIGENT VEHICLE TECH CO LTD

High-voltage live working robot device

The invention discloses a high-voltage live working robot device, which comprises a mobile automobile, a loading foldable and expandable insulating arm, a loading control device and a robot operating platform. The loading foldable and expandable insulating arm is disposed on a chassis of the mobile automobile and comprises a loading hydraulic pump station, a rotary tower, a lower arm, an upper arm, an expandable arm and the like. The loading control device comprises a lower control device and an upper control device, wherein the lower control device is arranged on the rotary tower, and the upper control device is arranged on the robot operating platform. The robot operating platform comprises an insulating bucket, a robot operating system and a mechanical arm insulator support, and a robot operating system comprises a master arm, a mechanical arm, a hydraulic servo control box and a microcontroller. An operator can stand in the insulating bucket to control the master arm and remotely control the mechanical arm to clamp a special tool, and the special tool contacts with a high-voltage line to replace operators to complete aerial live working tasks, so that labor intensity is relieved for operators, and operating efficiency and operational safety are improved.
Owner:STATE GRID INTELLIGENCE TECH CO LTD

Skin laser treatment auxiliary robot and auxiliary method thereof

The invention provides a skin laser treatment auxiliary robot and an auxiliary method thereof. The skin laser treatment auxiliary robot comprises an accurate positioning mobile robot, a therapeutic instrument laser probe, a visual identification and control system, a range finding device and a safety device. The therapeutic instrument laser probe is installed at the front end of the tail position of the mechanical arm of the accurate positioning mobile robot. The range finding device is installed at the side surface of the therapeutic instrument laser probe. The CMOS probe of the visual identification and control system is installed at the other side surface of the therapeutic instrument laser probe. The safety device is installed at the front end of the therapeutic instrument laser probe. The measured value outputted by the range finding device and the sensing signal outputted by the safety device are connected with the input end of the visual identification and control system. Output of the visual identification and control system is connected with and controls the accurate positioning mobile robot. Manual operation on a skin laser therapeutic instrument is replaced by the accurate positioning mobile robot so that the skin laser treatment auxiliary robot and the auxiliary method thereof have advantages of high degree of automation and accurate positioning and movement, and high-curative-effect, high-efficiency, safe and reliable skin laser treatment can be guaranteed.
Owner:康健

System for measuring thrust suitable to thrust engine with tiny space

A thrust measuring system of thrust engine used in small space comprises storage tank of thrust agent, engine, mechanical body, transducer, driving and controlling circuit. It is featured as setting transducer at external side of one end on working beam and balance weight block on another end; placing said driving and controlling circuit in horizontal trench of front and back support beams; arranging engine on connection piece; connecting one end of thrust agent tube to engine and another end to thrust agent storage tank; forming mechanical body by support frame, master shaft, working beam, thrust component and balance weight.
Owner:BEIHANG UNIV

Nozzle regulating mechanism and its regulating method, and device for using the said nozzle regulating mechanism

The invention relates to a nozzle adjustment mechanism of equipment using such nozzle and adjustment method thereof and the equipment using the nozzle adjustment mechanism. The nozzle adjustment mechanism includes nozzles, connection frame, bottom board, wherein the nozzles is fixed to the connection frame, and the turning position of the nozzle is adjusted by coordination of eccentric bolt and locating pin, and angle of pressure spring is adjusted to implement return adjustment; the connection frame equipped with the nozzles inserts into mounting hole arranged on the bottom board, and the position where the connection frame and the nozzles locate on the bottom board is adjusted by forward and backward adjusting the bolt and the pressure spring covering the bolt. The invention has advantages of easy adjustment and high adjustment precision by improving the mechanical structure.
Owner:BEIJING MEIKEYI

Magnetic core structure and electromagnetic coupling device based on magnetic core structure

ActiveCN103400682AGood magnetic field shielding effectGuaranteed distance and rangeElectromagnetic wave systemTransformersPhysicsMagnetic core
The invention discloses a magnetic core structure and an electromagnetic coupling device based on the magnetic core structure. The magnetic core structure comprises an emitter coil magnetic core baseplate and a picking coil magnetic core baseplate, which are square and are parallel to each other during working, wherein a plurality of magnetic winding columns are arranged on the inner side surface of the emitter coil magnetic core baseplate and are uniformly distributed in a rectangular array, while winding slots taking the shape of a Chinese character 'hui' are formed in the inner side of the picking coil magnetic core baseplate. The magnetic core structure and the electromagnetic coupling device have the remarkable effects that the structure of the magnetic core is simple, the processing forming is convenient, the magnetic field concentration ability is strong, the radio energy transmission distance is increased, the wound coil can be selectively powered and controlled, the electrical energy transmission area is adjustable to adapt to position deflection of a picking mechanism, the energy dissipation is small and the transmission efficiency is high.
Owner:GUANGXI POWER GRID ELECTRIC POWER RES INST +1

Measurement learning method and system for pedestrian re-recognition

The invention discloses a measurement learning method and system for pedestrian re-recognition. Implementation of the method comprises the steps of collecting feature vectors of a pedestrian target under two cameras, building a positive sample pair feature vector set and a negative sample pair feature vector set, calculating the distance of positive sample pair feature vectors and the distance of negative sample pair feature vectors, restraining the negative sample pair feature vectors by adopting dual thresholds, building a measurement matrix based loss function under distance constraint conditions of the positive and negative sample pair feature vectors, and iteratively updating the measurement matrix by taking the minimum loss function value as the target. The measurement learning method can effectively reduce influences imposed on matrix learning by irrelevant variables such as image background and noise, so that occurrence of an overfitting phenomenon is avoided, and the acquired measurement matrix is high in generalization ability.
Owner:HUAZHONG UNIV OF SCI & TECH

Adsorptive rotary reversing device for producing disposable toilet paper

The present invention relates to one adsorbing and rotating reversing device for the production of disposable toilet paper, and provides one transferring and reversing device with stable adsorbing transfer, constant transfer angle and convenient regulation of adsorption number. The transferring and reversing device features the chuck rotating mechanism comprising ring cam seat fixed on the main bearing seat and with spiral cam slot on the ring wall; the hollow chuck shaft with cam arm and cam connected in the lower end; and the hollow shaft below the chuck fixed inside the radial hole of the rotating disc. The device of the present invention can ensure the constant reversing interval, constant adsorbing disc angle, stable adsorption and precise transfer.
Owner:ANQING HENG CHANG MACHINERY

Assembly tooling for double assembly and main drive of head side plate on staircase and assembly method

The invention discloses an assembly tooling for the double assembly and the main drive of a head side plate on a staircase and an assembly method. The tooling comprises a work platform, wherein a fixed reference beam, a beam capable of transversely moving, a main drive lengthways moving dolly are arranged on the work platform, and the two beams are in parallel with each other by moving the beam capable of transversely moving; and a positioning stand column and a positioning wall plate capable of lengthways moving the side plate of the staircase are respectively arranged on the two beams, gaps are remained between the corresponding positioning stand columns and positioning wall plates, and the corresponding positioning wall plates can respectively move along the beams, so that the distances between the corresponding positioning wall plates and the corresponding positioning stand columns are changed; a pair of tangential guide rail arranging seat transverse moving trolleys are distributed on the main drive lengthways moving dolly, and the tangential guide rail is transported to the installing position of the tangential guide rail on the side plate by the dolly; a left / right main drive height positioning device is further arranged on the main drive lengthways moving dolly, and the device is used for positioning the double assembly height position of the center and the side plate of the main drive axis; and a pair of driving axial centering devices is arranged on the main drive height positioning device.
Owner:HANGZHOU XO ELEVATOR

Dynamic path planning method for AUV (Autonomous Underwater Vehicle) submarine topography matching

The invention discloses a dynamic path planning method for AUV (Autonomous Underwater Vehicle) submarine topography matching, and belongs to the technical field of AUV navigation. The dynamic path planning method comprises environment modeling, offline path planning and online path re-planning. An environment model is constructed by topography information and topography source confidence, whereina topography characteristic is represented with a topography standard deviation. Offline path planning is based on a rapid search random tree algorithm, improves a new node and father node selection algorithm, and processes the topography information by roulette and a mahalanobis distance so as to avoid a low topography information region. When an AUV navigates along an offline path and detects changes of the topography information, online re-planning implements judgment on the topography changes by methods of judging the topography changes, searching a local navigation optimal node, re-optimizing a global path and the like, and ensures navigation accuracy. The dynamic path planning method is applicable to long-voyage high-accuracy AUV path planning, and particularly when the topography information is changed, by modifying the path in real time, navigation accuracy and a path distance are ensured.
Owner:HARBIN ENG UNIV

Anion converter

ActiveCN101882758AGuarantee the breadth of distributionGuaranteed distanceElectrical apparatusPumice dustFiber bundle
The invention discloses an anion converter solving the problems of low kinetic energy of free electrons generated by the traditional equipment for combining and reacting with air molecules to generate anions and full short circuit caused by high voltage in the equipment to the ground. The anion converter comprises a high-voltage insulating housing, a stainless steel electron collector, a pumice with a dielectric property, a first conducing wire and a nano carbon fiber bundle, wherein the first conducting wire is used for conducting free electrons generated by open type single-pole anion generator, and the nano carbon fiber bundle is connected to the end of the first conducting wire. The anion converter can effectively increase the kinetic energy of the free electrons so that diffused electrons have large air contact area, and the anion converter has the advantages of large anion generation amount, high purity and remote transmitting distance; and the high-voltage insulating housing with high-voltage insulation can effectively prevent the full short circuit caused by a outward transmitting module of the air anions to the ground from burning instruments.
Owner:广东新活负离子科技有限公司

Tower type combined drive pumping unit without guide wheel

The invention discloses a tower type combined drive pumping unit without a guide wheel, relates to petroleum exploitation equipment, and aims to provide the tower type pumping unit which can safely and conveniently repair a well and has long service life of a steel wire rope. The pumping unit comprises a tower, a power system, a transmission system, a control system, a balance weight box, a weighting hauling cable, a rope wheel, a drive rope and a beam hanger, wherein the rope wheel is fixed on one side of an operating platform through a rope wheel supporting device, a central axis of the rope wheel is positioned in the operating platform, and the shortest distance from the central axis to the edge of the operating platform in a horizontal direction is L; an edge of the rope wheel stretches out of the operating platform, and the shortest distance from the edge of an outermost end to the tower in the horizontal direction is M; the weighting hauling cable and the drive rope are wound on the rope wheel in the opposite direction, a free end of the weighting hauling cable is connected with the balance weight box through the beam hanger A, and a free end of the drive rope is connected with a pumping rod through the beam hanger B; and a platform moving device is arranged between the operating platform and the top of the tower, wherein L is not less than 50mm; and M in not less than 700mm.
Owner:SICHUAN MODERN CENTURY MECHANICAL & ELECTRICAL COMPANY

Ion generating element, ion generator, and electric device

The ion generating element (10) of the present invention is constituted by: having at least one first discharge part (12) for generating positive ions and one first discharge part (12) for generating negative ions each installed or printed on one dielectric (11). 2 discharge part (13), the 1st, the 2nd discharge part (12), (13) will be arranged on the 1st, the 2nd discharge electrode (12a), (13a) on the surface of the dielectric (11) and be embedded in the dielectric The first and second induction electrodes (12b) and (13b) inside (11) are formed as a pair, respectively, and are arranged independently and separated from each other on the same plane of the dielectric (11). With such a structure, neutralization of generated ions can be suppressed, positive and negative ions can be efficiently released, and ion generation efficiency can be further improved.
Owner:SHARP KK

Liquid crystal display module and support device thereof

The invention provides a support device of a liquid crystal display module and comprises a backboard which is provided with a bottom plate and a plurality of support plates; the bottom plate is provided with a reflection plate, a light guide plate and an optical membrane module; the support device also comprises a rubber frame; a plurality of platforms extend out from the rubber frame and are arranged on the upward side of the optical membrane module, moreover, certain space is remained between the platforms and the optical membrane module; at least one platform is provided with a convex rib and the optical membrane module is provided with a through hole corresponding to the convex rib, moreover, each convex rib gets through the corresponding through hole on the optical membrane module and plays a role of support between the platform and the light guide plate. As the support point of the convex rib providing support for the platform is close to the free terminal of the platform, the convex rib can ensure the distance between the platform and the optical membrane module and prevent the optical membrane module from waving deformation under high temperature state.
Owner:CORETRONIC (SUZHOU) CO LTD

Shielding sleeve and connector with same

The invention provides a shielding sleeve and a connector with the same. More than one threading hole perpendicular to a mounting face plate is formed in a connector shell, and the shielding sleeve applicable to being in contact with shielding layers of cables is mounted in the corresponding threading hole. The front end of the shielding sleeve extends out of the front end of the corresponding threading hole. The shielding sleeve comprises a sleeve. Elastic arms which are elastically compressed with stepped surfaces of a stepped hole in the mounting face plate in a jacking manner during use are outwardly folded at the front end of the sleeve, and folding angles of the elastic arms are smaller than 90 degrees. The shielding sleeve and the connector have the advantages that the shielding layers, which penetrate the corresponding threading hole, of the cables are in contact with the shielding sleeve made of metal materials when the connector is used, then the shielding sleeve is in elastic contact with the stepped surfaces of the stepped hole in the mounting face plate via the elastic arms at the front end of the shielding sleeve, and accordingly shielding effects can be realized; the connector is simple in structure and convenient to assemble.
Owner:CHINA AVIATION OPTICAL-ELECTRICAL TECH CO LTD

Double-magazine double main-shaft machine tool for processing two-end holes of crankshaft

The invention relates to a double-magazine-tool and double-spindle crankshaft two-end hole processing machine tool, which comprises an integral casting 45 degree inclined machine tool body which is convenient for removing scraps. The machine tool body is provided with two sets of three-coordinate units left and right symmetrically, and the three-coordinate units consist of a left Z-axis screw rod part and a right Z-axis screw rod part, a left X-axis saddle part and a right X-axis saddle part, and a left Y-axis part and a right Y-axis part respectively. A left spindle and a right spindle are arranged on the two sets of the three-coordinate units respectively. A left magazine tool and a right magazine tool can be connected with the left Z-axis screw rod part and the right Z-axis screw rod part respectively, and move along the direction of Z along with the spindles through the support of a magazine tool slide frame. The machine tool not only has the function of processing various holes at both ends of the crankshaft, but also can tap and chamfer corners. Aiming at the crankshafts of different specifications, the distance between the left processing spindle and the right processing spindle is guaranteed by adjusting both the left three-coordinate unit and the right three-coordinate unit of the machine tool so as to adapt to the crankshafts of different lengths, and cutter tools in the magazine tools are replaced to adapt to different processing tasks.
Owner:SHENYANG AEROSPACE UNIVERSITY

GPS-based automatic multi-rotor unmanned aerial vehicle tracking system

The invention discloses a GPS-based automatic multi-rotor unmanned aerial vehicle tracking system, which is characterized by comprising a multi-rotor flight controller and a GPS positioning module and a wireless transmission module connected with the controller respectively, wherein the output end of the multi-rotor flight controller is connected with the input end of the multi-rotor unmanned aerial vehicle; and the wireless transmission module is also connected with a GPS beacon module. The head direction is controlled to point to a moving target when the multi-rotor unmanned aerial vehicle flies, tracking of the moving target is automatically completed without manual operation, consistent movement between the multi-rotor unmanned aerial vehicle and the tracked target can be ensured, the distance between the multi-rotor unmanned aerial vehicle and the tracked target can also be ensured, operation on the multi-rotor unmanned aerial vehicle by a person when the moving target moves is greatly reduced, operation and control are safer, simpler, more convenient and more flexible, flight safety is improved, operation of the multi-rotor unmanned aerial vehicle is more intelligent, and probability of flight accidents is greatly reduced.
Owner:HOHEM TECH

Braking control method for train

ActiveCN105196990AGuaranteed distanceTrigger Speed ​​GuaranteedAutomatic initiationsFull serviceSpeed limit
The invention discloses a braking control method for a train. The driving distance of the train is determined by five stages of a full service braking traction removing stage, a full service braking response establishing stage, an emergency braking traction removing stage, an emergency braking response establishing stage and an emergency braking finishing stage in a sub-stage way, and further the full service braking trigger speed is determined by backward recurrence, the distance between the position where the train is positioned and a speed limit point of a target and the driving speed of a current train are guaranteed, and the condition that emergency braking is trigged when full service braking is triggered is avoided.
Owner:浙江众合科技股份有限公司

Timepiece balance spring adjustment mechanism

Mechanism for adjusting the active length of a timepiece balance spring whose outer end is fixed to a balance spring stud secured to a bar, this mechanism including two pins for clamping or touching the outer coil of the balance spring during the operation of this balance spring.These two pins are in a single piece with this bar.
Owner:NIVAROX FAR

Anti-epidemic disinfection device and use method thereof

The invention provides an anti-epidemic disinfection device and a use method thereof. The device includes a disinfection room for disinfection, a partition plate is arranged at the inner upper end ofthe disinfection room, and an ultrasonic detector for detecting the height of a human body is arranged on the upper surface of the partition plate; first motors are oppositely arranged at the left andright ends of the inner peripheral side wall of the disinfection room, and the first motors are located at the upper end of the inner peripheral side wall of the disinfection room; and a first guidewheel is arranged at the tail end of the output shaft of each first motor, second guide wheels are arranged at the lower ends of the left and right sides of the inner peripheral side wall of the disinfection room, each first guide wheel is connected with one corresponding second guide wheel through one belt, an arc-shaped spray nozzle sleeves the belt located at the left end, a telescopic rod sleeves the belt located at the right end, and the tail end of the telescopic rod is provided with an infrared thermometer for detecting the body temperature of the human body. The device is simple in structure and convenient to operate, can effectively disinfect the whole body of the human body, and is provided with an independent disinfection space, thereby effectively preventing the spread of epidemic.
Owner:福建旭辰信息科技有限公司

Display panel and display device

The invention discloses a display panel and a display device. The display panel comprises an array substrate, a colored film substrate and an alignment mark structure. A lower alignment mark and an upper alignment mark in the alignment mark structure both comprise at least two marking units, the number of the marking units is the same, the marking units are a 0 marking unit, a 1 markingunit and an N marking unit respectively in the first direction, and after the array substrate is aligned with the colored film substrate, the 0 marking unit in the lower alignment mark is aligned with the 0 marking unit in the upper alignment mark; the width of the projection of the n marking unit in the lower alignment mark on the array substrate in the first direction is samewith that of the projection of the n marking unit in the upper alignment mark on the colored film substrate in the first direction, the distance between two projection centers of two adjacent marking units on the array substrate in the lower alignment mark is X, the distance between two projection centers of two adjacent marking units on the colored film substrate in the upper alignment markis Y, and X is not equal to Y. The device can achieve a suitable alignment function and ensure the reliability of the display panel performance.
Owner:SHANGHAI AVIC OPTOELECTRONICS

Electret capacitor microphone

An electret capacity microphone is prepared as spraying a lacquer insulation layer on external cylindrical surface of electrode ring ; setting paster electrode for sticking on microphone and printed circuit board on printed circuit board ; making metal shell opening end bend radially towards printed circuit board to keep fixed contact between back electrode board support component , back electrode board , insulation pad as well as vibration film plate and electrode ring as well as printed circuit board , applying material standing to temperature of sticking process to prepare electret film , insulation pad , vibration film plate , nonmetal model , electrode ring and lacquer insulation layer .
Owner:SHANDONG GETTOP ACOUSTIC

Brake control method of automatic vehicle-mounted train protection system

The invention discloses a brake control method of an automatic vehicle-mounted train protection system. The running distance of a train can be determined after five stages including a whole service braking traction cutting stage, a whole service braking response building stage, an emergent braking traction cutting stage, an emergent braking response building stage and an emergent braking finish stage, a whole service braking trigger speed can be determined in a retroduction method, and it is guaranteed that when the distance between the position where the train is located and a target speed limiting point and the current running speed of the train trigger whole service braking, emergent braking cannot be triggered.
Owner:浙江众合科技股份有限公司

Image sensor assembly and its mfg. method

Disclosed is an image sensor module consisting of a substrate having a hole positioned at the center thereof; an image signal process package attached to the back side of the substrate; and an image sensor mounted in the hole of the substrate, and a process of fabricating the same. In addition, a camera module is provided which consists of the image sensor module; a housing covering the upper portion of the image sensor module; a lens positioned outside of the housing; a filter positioned inside of the housing; and a flexible printed circuit board connected to the back side of the substrate of the image sensor module. The image sensor module applied to the camera module can obtain a sufficient brightness while a distance between the lens and the image sensor is properly maintained to secure a desired focal distance.
Owner:SAMSUNG ELECTRO MECHANICS CO LTD

Brake controller

InactiveCN1792691ANo need or reduced cooling countermeasuresGuaranteed distanceApplication and release valvesSolenoid valveEngineering
A brake control device whose purpose is to achieve miniaturization and to make a control panel less affected by heat dissipation from a solenoid valve. The brake control device has a common solenoid valve (3) that supplies control pressure based on an electrical signal, a relay valve (10) that sends brake pressure to the brake cylinder based on the above-mentioned control pressure, and an adaptation valve based on the air spring (7). The load-adaptive automatic adjustment valve (20) that automatically adjusts the signal pressure to supply emergency braking pressure, the emergency solenoid valve (4) that supplies the emergency control pressure to the relay valve (10) based on the electrical signal, and the A control panel (5) for controlling the voltage on the solenoid valve (3) and the emergency solenoid valve (4), which has a relay valve (10), an automatic load-adaptive adjustment valve (20) and their internal components. The valve main unit (2) of the input and output pipeline is provided with a regular solenoid valve (3) and an emergency solenoid valve (4) on the upper side outside the valve main unit (2). A control panel (5) is provided on the side.
Owner:NABLESCO CORP

Positioning method of ink jet printing equipment and ink-jet printing head

An ink-jet printing apparatus comprising mainly a carrying platform, a servo-motor, a carrying member, a height sensing apparatus, an ink-ejecting head and a feed apparatus, wherein the carrying platform is adapted to carry a base plate, the carrying member is arranged on top of the carrying platform, the servo-motor is connected with the carrying member, and the servo-motor can control the movement of the carrying member, thus regulating the distance between the carrying member and the carrying platform, the height sensing apparatus is arranged on the carrying member, and the feed apparatus is connected with the ink-jet head.
Owner:RITDISPLAY

Self-propelled leaf vegetable harvester

The invention relates to a self-propelled leaf vegetable harvester. The vegetable harvester comprises a frame provided with a chassis traveling mechanism, a power system, a belt-saw type cutting device, a conveying device and a driving operation console. The rear end of the conveying device is mounted on the frame in a hinged manner through a transverse pin roll and a vertical pin roll at the same time; the harvester further comprises a supporting device mounted below the front part of the conveying device; the supporting device is composed of a copying roll, an adjusting oil cylinder, a connecting plate and a fixed bracket; the copying roll is hinged at one end of the fixed bracket through the connecting plate, one end of the adjusting oil cylinder is hinged to the connecting plate, and the other end of the adjusting oil cylinder is hinged to the other end of the fixed bracket. The harvester provided by the invention can timely adjust the distance between the belt saw type cutting device and a bed surface according to the bed surface, and prevents the belt saw type cutting device from being directly contacted with soil, so that the service life of the cutter is ensured; meanwhile, soil intrusion is avoided, the harvesting quality is ensured, and reasonable and consistent harvesting height is ensured.
Owner:TAIZHOU CHANGFA AGRI ENG TECH

Formation method of transistor in embedded type flash memory

A formation method of a transistor in an embedded type flash memory includes the following steps: a substrate with a low voltage gate structure and a storage gate structure is provided; a first dielectric layer is formed and covers the substrate, the low voltage gate structure and the storage gate structure, and then a middle side wall is formed on the periphery of the storage gate structure; a second dielectric layer is formed and covers the first dielectric layer and the middle side wall; the first dielectric layer and the second dielectric layer are etched in a dry method mode; a low voltage side wall is formed on the periphery of the low voltage gate structure, and a storage side wall is formed on the periphery of the storage gate structure; the low voltage side wall comprises an inner side wall and an outer side wall; the storage side wall comprises a middle side wall, an inner side wall and an outer side wall; the outer side wall and the middle side wall of the storage gate structure and the outer side wall of the low voltage gate structure are removed; and ion implantation is conducted, and a source electrode and a drain electrode of the low voltage gate structure and a source electrode and a drain electrode of the storage gate structure are formed. Dielectric filling capacity between layers of the storage gate structure can be increased, and the side wall width difference of a logic gate structure and the storage gate structure can also be adjusted.
Owner:SEMICON MFG INT (SHANGHAI) CORP

High-low cutting edge double-wall steel cofferdam reinforced concrete once bottom sealing construction method

The invention discloses a high-low cutting edge double-wall steel cofferdam reinforced concrete once bottom sealing construction method which comprises the steps that Step one, steel cofferdam construction is performed: double-wall steel cofferdam sinks to a pre-designed construction position, high-low cutting edges are arranged at the bottom of the double-wall steel cofferdam, inclined surfaces are designed as the bottom surfaces of the cutting edges, and are supported on an inclined bare rock surface, and a plurality of groups of first anchor steel bars are arranged on the cutting edges; Step two, steel casing laying is performed: a steel bar anchor structure is arranged on the outer side wall of the bottom of each steel casing, and comprises a plurality of rows of second anchor steel bars distributed from the top down; Step three, riverbed rock surface patching is performed: a riverbed rock surface is backfilled with a mixture to form a backfilled layer; and Step four, bottom sealing reinforced concrete layer construction is performed: a horizontal steel bar mesh is mounted on the backfilled layer, and concrete is poured into the double-wall steel cofferdam to form a concrete bottom sealing layer. The method is simple in step, reasonable in design, low in construction difficulty, short in construction period and good in using effect, and can effectively solve the various problems in the conventional plain concrete bottom sealing method.
Owner:CHINA RAILWAY FIRST GRP CO LTD +1
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