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395results about How to "Good reliability" patented technology

Semiconductor device, manufacturing method for semiconductor device, and electronic equipment

A semiconductor device includes: a plurality of stacked semiconductor chips including a first semiconductor chip having a side surface, and a second semiconductor chip stacked on the first semiconductor chip; and a sealing resin placed between the plurality of semiconductor chips, at least one edge of the first semiconductor chip is positioned on an inner side of the second semiconductor chip, and the sealing resin placed between the first semiconductor chip and the second semiconductor chip is extended over the side surface of the first semiconductor chip.
Owner:SEIKO EPSON CORP

Faucet With Spray Head

Disclosed is a swivel faucet, such as one having a pull-out sprayer. In one aspect the inlet and outlet lines are formed in an integral structure with a transverse plate that faces a mixing valve. In another aspect the control handle for the faucet is provided with a concentric visible bore and hidden set screw bore combined with a bushing having a cutout to facilitate their use. In still another aspect there is provided a bearing that mounts to a pivotable sprayer and provides distinct swivel positions through the use of a detent connection to a land.
Owner:KOHLER CO

Laminated electronic component and method for manufacturing the same

A method for manufacturing a laminated electronic component is performed such that a water-repellent agent is applied to end surfaces at which ends of internal electrodes are exposed so as to be filled in spaces along interfaces between insulating layers and the internal electrodes. Subsequently, an abrading step is performed such that the internal electrodes are sufficiently exposed at the end surfaces and an excess water-repellent agent is removed therefrom to enable plating films to be directly formed on the end surfaces.
Owner:MURATA MFG CO LTD

Current-controlling apparatus

A current-controlling apparatus is suitable for controlling the current passing through a light emitting device string (LEDS), wherein an end of the LEDS is electrically connected to a first-voltage level. The current-controlling apparatus includes a current-adjusting unit and a control unit. The current-adjusting unit, electrically connected between a second-voltage level and another end of the LEDS, is used for detecting a current of the LEDS, producing a feedback signal hereby and controlling the impedance between the LEDS and the second voltage level according to a conductance-controlling signal and an impedance-controlling signal to control the current. The control unit is electrically connected to the current-adjusting unit for receiving a reference signal and the feedback signal, comparing the feedback signal with the reference signal to give a comparison result, performing a current compensation on the comparison result and converting the compensated comparison result into the conductance-controlling signal and the impedance-controlling signal.
Owner:CPT TECH GRP

Ai/Ain Joint Material, Base Plate For Power Module, Power Module, And Manufacturing Method Of Ai/Ain Joint Material

A base plate for a power module includes: a metal plate, a ceramic base plate joined to the metal plate, and a release agent provided in a joint surface between the metal plate and the ceramic base plate. A remaining amount of the release agent is less than 5 as an amount of boron measured by fluorescence X-ray analysis, and a crystal grain straining region in the joint surface is equal to or less than 40%, or an amount of crystal grain straining in the joint surface is equal to or less than 0.03%.
Owner:MITSUBISHI MATERIALS CORP

Fiber sensing system with self-detection mechanism

The present invention discloses a fiber sensing system with self-detection mechanism which utilizes a central office to control secondary ring architecture formed by fiber sensor, remote node and optical coupler primarily. The secondary ring architecture is connected serially to form a primary ring architecture. The central office has a tunable laser light source that can deliver the light source to the fiber sensor. Since the fiber sensor has reflective ability, all light source signal sent by the tunable laser light source will be detected and measured by the fiber sensor. Thus central office can detect all signals reflected by the fiber sensor and produce a spectrum for analyzing fault point locations. The present invention can greatly enhance survivability and sensing capacity of all fiber sensors, so that when a fault point caused by environmental change within the fiber, it will not effect the overall operation of the sensing mechanism. The application of fiber sensor can also reduce cost and complexity of the overall fiber network topology.
Owner:NATIONAL CHIAO TUNG UNIVERSITY

Self-power-generation wireless switch

The utility model relates to the technical field of switches, and discloses a self-power-generation wireless switch including a micro-generator and a control panel for transmitting outwards a wireless control signal. The micro-generator includes a movably arranged magnet set and a coil set. The coil set includes an iron core and a wire electrically connected to the control panel. The wire winds itself round the iron core to form a coil. The magnet set is disposed on an outer side of the coil set and is arranged to be facing right to a center line of the coil. The magnet set includes a permanent magnet and magnetic plates which are disposed on two opposite sides of the permanent magnet. In the self-power-generation wireless switch, by operating the magnet set to move up and down, mechanical energy is converted into electric energy, and thus an effect of supplying power to the control panel through self-power-generation and transmitting outwards the wireless control signal is achieved. The self-power-generation wireless switch is excellent in reliability and good in safety performance, has the convenience of a remote-control switch, does not needs to use a chemical battery, prevents waste and environment pollution, does not need wire arrangement, and thus the cost is saved and the layout is convenient. In addition, the self-power-generation wireless switch is simple in structure and can be widely promoted and applied to daily life.
Owner:刘远芳

Monitoring anti-theft tracker for power supply transformer

The invention relates to a monitoring anti-theft tracker for a power supply transformer which comprises a GPS tracing positioning module, a monitoring sensor, a wireless communication module, a battery and a power control module which is used for a selecting transformer to charge for the battery or the battery to supply power to an anti-theft processor. A single-phase terminal of the transformer is connected with the power control module. The battery is connected with the power control module which is connected with the anti-theft processor. The anti-theft processor also comprises an anti-theft processing module which is used for sending out an anti-theft alarming instruction according to an abnormal signal of the monitoring sensor and a data transmission module which is used for extracting GPS address information and sending number of the transformer, the GPS address information and the anti-theft alarming instruction to the wireless communication module. The monitoring sensor is connected with the anti-theft processing module. The GPS tracing positioning module and the anti-theft processing module are connected with the data transmission module. The data transmission module is connected with the wireless communication module. The monitoring anti-theft tracker for the power supply transformer has the advantages of good reliability and good detection effect and can trace the position of a stolen transformer in time.
Owner:ZHEJIANG TENDENCY TECH

Method for detecting freshness of mangos by aid of electronic nose

A method for detecting the freshness of mangos by the aid of an electronic nose includes (1), placing a mango to be detected in a sealed container and allowing the mango to stand at normal temperature for 30 to 60 minutes; (2), sucking gas in the sealed container by a sample feeding needle of the electronic nose at the normal temperature for 30 to 60 seconds, and detecting the gas via a gas sensor array in the electronic nose; and (3), collecting data acquired by the gas sensor array, processing the acquired data, obtaining a freshness detection value and evaluating the freshness grade of themango according to preset corresponding relation of freshness grades and a threshold value range. The method has the advantages that detection speed is fast, and the reliability of detection results is fine.
Owner:ZHEJIANG GONGSHANG UNIVERSITY

METAL CAP WITH ULTRA-LOW k DIELECTRIC MATERIAL FOR CIRCUIT INTERCONNECT APPLICATIONS

An interconnect structure is provided that has enhanced electromigration reliability without degrading circuit short yield, and improved technology extendibility. The inventive interconnect structure includes a dielectric material having a dielectric constant of about 3.0 or less. The dielectric material has at least one conductive material embedded therein. A noble metal cap is located directly on an upper surface of the at least one conductive region. The noble metal cap does not substantially extend onto an upper surface of the dielectric material that is adjacent to the at least one conductive region, and the noble cap material does not be deposited on the dielectric surface. A method fabricating such an interconnect structure utilizing a low temperature (about 300° C. or less) chemical deposition process is also provided.
Owner:GLOBALFOUNDRIES US INC

Manual ballast desertion device

The invention relates to a manual ballast desertion device, which is characterized in that: the manual ballast desertion device comprises a driving mechanism, a desertion mechanism and a weight, wherein the driving mechanism is connected with an insertion pin through a steel cable; and when the weight is deserted, the driving mechanism pulls the insertion pin through the steel cable to make the weight get rid of the limitation of a rotary rod. The manual ballast desertion device has the advantages of good reliability and simple operation; when a hydraulic power source or a power supply is lost under emergency condition, the ballast can be quickly deserted manually, so that a submersible floats upwards quickly, the potential safety hazard is reduced, the loss of life and property is reduced and the emergency capacity is high; and in the ballast desertion operation, a handwheel is rotated positively and then rotated reversely to generate the driving force for derserting the ballast, so the potential safety hazard caused by misoperation of personnel is eliminated.
Owner:中国船舶重工集团公司第七〇二研究所

Articulated-type rod climbing detection robot

An articulated-type rod climbing detection robot comprises a robot body, an image detection system and a remote control system. The remote control system is connected with the robot body through a cable. The robot body comprises a first climbing mechanism and a second climbing mechanism, the first climbing mechanism and the second climbing mechanism are both of a cylindrical structure formed by connecting two semicircular cylinders, one sides of the two semicircular cylinders of each climbing mechanism are connected in a hinged mode, and the other sides of the two semicircular cylinders of each climbing mechanism are connected through a bolt. Flexible wheels used for preventing collision are evenly installed in the cylinders of the first climbing mechanism and the second climbing mechanism along the circumference, the flexible wheels are supported by support rods hinged to the inner walls of the climbing mechanisms, the cantilever end of each support rod is connected with one end of a spring, and the other end of each spring is fixed to the inner wall of the corresponding cylinder. The first climbing mechanism and the second climbing mechanism are connected through a foldable articulated-type mechanical arm. According to the articulated-type rod climbing detection robot, a detected metal rod is adsorbed, locked and climbed through symmetrical arc-shaped electromagnets by adopting the axial symmetry structure, and then the condition that the robot is likely to rotate around the detected rod under the action of self weight to damage the rod is avoided.
Owner:CHINA THREE GORGES UNIV

Multilayer ceramic electronic part

There is provided a multilayer ceramic electronic part, including: a ceramic body including dielectric layers each having an average thickness of 0.6 μm or less; and first and second internal electrodes disposed to face each other within the ceramic body with the dielectric layer interposed therebetween, wherein the ceramic body includes a capacitance forming part and non-capacitance forming parts, and when the capacitance forming part is divided into 2n+1 (n is 1 or more) regions in a thickness direction of the ceramic body, the dielectric layers of the capacitance forming part get thinner in directions from a central region toward upper and lower regions, whereby continuity of the internal electrode may be improved and a high-capacity multilayer ceramic electronic part may be realized.
Owner:SAMSUNG ELECTRO MECHANICS CO LTD

Photo-curing adhesive composition, polaroid and manufacturing method thereof, optical component and LED device

The invention provides a photo-curing adhesive composition which adheres a polarizer and a protective film to a polaroid, a polaroid which uses the adhesive composition to adhere the protective film to the polarizer, and method of manufacturing polaroids, an optical component using the Polaroid and an LED device. The photo-curing adhesive composition is characterized in that it contains: (A) two epoxy compounds pf alicyclic epoxy group expressed in the following formula (1); (B) poly-(meth) acrylate of polyhydric alcohol with 2-15 carbon atoms (wherein, the number of polyether glycol whose oxyalkylene repeat units is over 3 ); (C) light cationic polymerization initiator; (D) oxetane compound expressed in the following formula (2).
Owner:TOAGOSEI CO LTD +1

Automatic arranging and feeding device

The invention discloses an automatic arranging and feeding device. The device is characterized by comprising a storage bin (1) which is in a funnel shape and is used for accommodating rod and shaft like products, a material port (1.1) is formed in the bottom of the storage bin (1), the bottom of the material port (1.1) is provided with a material ejecting block (2) which is capable of ejecting a product of the storage bin (1) to be attached to the side wall of the storage bin (1) to move upwards, the device further comprises a first conveying rail (3) which is obliquely arranged and a second conveying rail (4) which is vertically arranged, wherein the first conveying rail (3) and the second conveying rail (4) are used for allowing a single-row product to pass through, the top end of the first conveying rail (3) is connected with the storage bin (1), the bottom top end of the first conveying rail (3) is connected with the top end of the second conveying rail (4), and a material distributing mechanism and a material falling mechanism are both connected to a driving mechanism which linearly stretch and retract back and forth. The device is simple in structure, good in reliability andgood in safety, and can be mounted on an existing machine tool, and the transverse distance is not added.
Owner:宁波宫铁智能科技有限公司

Method for connecting a first host and a second host within at least one communication network through a relay module, corresponding relay module

The invention concerns a relay module comprising a capturing module for intercepting a first connection establishment request sent by a first host; a communication module configured for sending a second connection establishment request to establish an initial auxiliary connection between the relay module and a second host and for receiving, from said second host, a first acknowledgment response and a context discovery unit configured for activating:a forward mode to handle the traffic carried by the established main connection, in case the first connection establishment request and the first acknowledgment response present the same multipath property;a relay mode to handle the traffic carried by:an additional auxiliary connection established between the first host and the relay module; andthe initial auxiliary connection established between the relay module and the second host,in case the first connection establishment request and the first acknowledgment response present different multipath properties.
Owner:INTERDIGITAL CE PATENT HLDG

Laser scanning scattering detection and classification system for silicon slice surface defects

The invention discloses a laser scanning scattering detection and classification system for silicon slice surface defects. A silicon slice to be detected is placed on a high-stability silicon slice workbench, a bunch of focused laser is adopted to irradiate the surface plane of the silicon slice to be detected from an inclined direction, and scattered lights generated by defects are collected through round narrow channel collection and circular wide channel collection by two pairs of plano-convex lenses along the direction close to the normal line of the silicon slice surface and the direction proximately parallel to the silicon slice surface, thus being detected by two photoelectric detectors. Bi-channel photoelectric signal strength and relative ratio thereof are respectively detected by the two photoelectric detectors, and classification detection on defects in tens of nanometers on the silicon slice surface can be carried out by comparing the bi-channel photoelectric signal strength and the relative ratio thereof with a preset threshold value.
Owner:上海傲世控制科技股份有限公司

Method and device for determining permeability of reservoir

The invention discloses a method and device for determining the permeability of a reservoir. The method comprises the following steps of: selecting a rock-core sample of the reservoir and determining the permeability and a nuclear magnetic resonance echo string of the rock-core sample of the reservoir; carrying out inversion on the nuclear magnetic resonance echo string of the rock-core sample of the reservoir to obtain a nuclear magnetic resonance T2 spectrum of the rock-core sample of the reservoir and calculating characteristic parameters of the nuclear magnetic resonance T2 spectrum of the rock-core sample of the reservoir and porosity of the rock-core sample of the reservoir; establishing a multivariate statistical relation of the permeability of the rock-core sample of the reservoir with the characteristic parameters of the nuclear magnetic resonance T2 spectrum of the rock-core sample of the reservoir and the porosity of the rock-core sample of the reservoir; and according to the multivariate statistical relation, the characteristic parameters of the T2 spectrum of the reservoir and the porosity of the reservoir, determining the permeability of the reservoir. The method and device disclosed by the invention is simple, accurate and,reliabl and has obvious actual application effect and provides powerful technical support for oil reservoir classification, productivity prediction and reservoir modeling.
Owner:CHINA UNIV OF PETROLEUM (BEIJING)

Erbium oxide hydrogen resistance coating and preparation thereof

The invention relates to a hydrogen resistant coating system and a preparation method thereof, in particular to a hydrogen resistant coating system containing Er2O3 and a preparation method thereof. The coating takes activated martensite steel or austenitic steel as a basal body on which Fe-Er is taken as a metal transition layer coated with Er2O3 coating. The preparation method comprises: preparing Fe-Er alloy on the basal body by a vapor phase deposition method, and preparing the Er2O3 layer on the metal transition layer by the vapor phase deposition method.
Owner:GRIMAT ENG INST CO LTD

Positioning device of welding fixture for rear main pipe

A positioning device of a welding fixture for a rear main pipe comprises a fixture assembly bottom plate, wherein a plurality of rear main pipe limiting pedestals used for limiting the rear main pipe, fast pressing clamps used for fixing a welding component and fast clips used for limiting the welding component are mounted on the fixture surface of the fixture assembly bottom plate. The rear main pipe limiting pedestals are divided into two symmetrical groups, wherein a first seat cushion lock bed mounting bracket assembly positioning seat and an oil tank front mounting bracket assembly positioning seat are arranged between the two groups of the rear main pipe limiting pedestals and located on the fixture assembly bottom plate. Positioning pins are mounted both on the upper surface of the first seat cushion lock bed mounting bracket assembly positioning seat and on the upper surface of the oil tank front mounting bracket assembly positioning seat and can play a positioning role for the welding component. Limiting pins used for limiting a rear shock absorber mounting bracket assembly are mounted at the front end of a first fast clip and at the front end of a second fast clip. Due to the fact that the welding component is positioned and limited, the welding component can be positioned accurately and cannot move easily, welding can be carried out conveniently after the welding component is positioned accurately, and the finished product rate of products is improved.
Owner:力帆科技(集团)股份有限公司

Synchronous unfolding-folding space extend arm of triangular prism based on centripetal mechanisms

The invention provides a synchronous unfolding-folding space extend arm of a triangular prism based on centripetal mechanisms, which belongs to technical field of aerospace science and formed by series connection of a plurality of triangular prism centripetal mechanisms. Each triangular prism centripetal mechanism is composed of 3 central connection components, 6 angular point connection components and 12 rod-shaped joint shafts with the same length. The central connection components are provided with cross-shaped bracket structures, each supporting end of the cross-shaped bracket structures is fixedly connected with one joint shaft through a pair of parallel bevel gears, the angular point connection components are V-shaped bracket structures, each angular point connection component is provided with two open supporting ends, and the edge of each supporting end is coaxially connected with one bevel gear through a revolving shaft. The synchronous unfolding-folding space extend arm of the triangular prism based on centripetal mechanisms is small in freedom degree, capable of being unfolded and folded synchronously, good in reliability, high in repeatability, good in structural rigidity, convenient to structure combination and simple in movement mechanism control.
Owner:BEIHANG UNIV

Control system for automatic detection and aligning drilling rod straight degree together

The invention relates to a drill rod straight automatic detection and straightening integral controlling system, belonging to automatic control technical field. The inventive system comprises a signal collecting and processing module, a process control module, a man-machine interface module and an action logic control module, wherein the signal collecting and processing module obtains and processes information and transmits the processed information to the process control module, the process control module converts the information sent from the signal collecting and processing module into process control information to be sent to the action logic control module and the man-machine interface module, the man-machine interface module provides an interaction platform between operator and system, via which operator can adjust the process parameters of the process control module, the action logic control module controls the action of executors and uses the man-machine interface module to real-time display the action state of system or operate system action via the man-machine interface module. The invention serially connects checking and straightening to realize the accurate, reliable and effective automatic control on each sub system.
Owner:SHANGHAI JIAO TONG UNIV

Ship course varying domain fuzzy control method

The invention aims to provide a ship course varying domain fuzzy control method, comprising the following steps of: collecting a current course deviation value; calculating an input retracting factor and calculating a varying domain fuzzy control input quantity; taking a deviation input value and a course deviation changing rate as input quantity of a fuzzy algorithm; utilizing a conventional fuzzy operation process to calculate a fuzzy control output quantity; calculating an output control rudder angle and sending an obtained rudder angle instruction to a servo system to realize ship rudder control; collecting a current rudder angle value and judging; if the rudder angle value has a fault, reporting the fault to an upper computer and shutting down a program; and converting to a primary step in a fault-free manner and making preparation for sampling again. The ship course varying domain fuzzy control method collects a pre-set course value of the upper computer, a navigation interference quantity and a feedback rudder angle value of a rudder servo system, and controls the rudder servo system on the base of varying domain fuzzy control operation; and the ship course varying domain fuzzy control method has the characteristics of high precision, good reliability, simple structure and the like; meanwhile, the system structure is simple and the construction cost is low.
Owner:HARBIN ENG UNIV

LED lamp intrusion alarm based on visible light communication

The invention relates to an LED lamp intrusion alarm based on visible light communication. The LED lamp intrusion alarm comprises an LED lamp and a light signal receiver. The LED lamp is an LED decorative lamp, an illuminating lamp or the like and used for transmitting a light signal containing information to the light signal receiver; and the light signal receiver is used for receiving the light signal, converting the light signal into an electric signal and transmitting the electric signal to a monitoring alarm system. As active detection is carried out by means of visible light communication, the LED lamp intrusion alarm based on the visible light communication, provided by the invention, has the advantages of uneasiness for being interfered and better reliability; except for having a common intrusion detecting function, the LED lamp intrusion alarm based on visible light communication, provided by the invention, can be also made into various LED decorative lamps, LED illuminating lamps and the like through the visible light characteristics; therefore, the LED lamp intrusion alarm based on the visible light communication, provided by the invention, has the advantages of uneasiness for being found as well as extremely perfect concealment and safety.
Owner:南通趣易信息技术有限公司

Squid-mantle-like pulse type water-spraying propulsion device

The invention discloses a squid-mantle-like pulse type water-spraying propulsion device in the field of ships, comprising a driving shaft connected with a ship body, wherein a driving gear is fixed on the driving shaft; a driven gear meshed with the driving gear is fixedly sleeved in the middle of a piston cylinder; the lower end of the piston cylinder is vertically communicated with the middle of a water-spraying tank; the piston cylinder is internally provided with rotating bearings as well as a piston rod and a piston which are coaxial; a flange is arranged on the inner wall of the piston; the upper end of the piston rod extends out of the piston cylinder; a shaft shoulder is arranged at the lower end of the piston rod; the rotating bearings are arranged on the flange in the piston and are fixed on the shaft shoulder of the piston rod; a water-absorbing one-way valve is arranged at one end of a water-spraying tank; a water-spraying one-way valve is arranged at the other end of the water-spraying tank; a flange cover fixedly connected with the ship body and a bearing bush jacket fixedly connected with the flange cover are sleeved at the upper end of the piston cylinder; and two thrust bearings are arranged between the inner wall of the bearing jacket and the outer wall of the piston cylinder. The invention has the advantages of favorable reliability, flexible steering, any steering in a range of 360 degrees and simultaneous finishing of water absorbing and spraying actions.
Owner:JIANGSU UNIV OF SCI & TECH

Intelligent diagnosis method and intelligent diagnosis system for home appliance faults

The invention discloses an intelligent diagnosis method and an intelligent diagnosis system for home appliance faults. The method comprises the following operation steps: (a) when a fault alarm occurs to a home appliance, a corresponding fault code is generated according to the type of the fault alarm; (b) the fault code obtained from step (a) is converted into a two-dimensional code; and (c) the two-dimensional code obtained from step (b) is scanned and identified to judge fault information of the home appliance. By adopting the method and the system of the invention, the waste of time, energy and resources in the process in which users ask for maintenance after a home appliance fault occurs is avoided, and the dependence on the network is also avoided. The system and the method have the advantages of high reliability and convenient and quick operation.
Owner:SUZHOU SAMSUNG ELECTRONICS CO LTD +1

Electroencephalogram acquisition and wireless transmission device

The invention discloses an electroencephalogram acquisition and wireless transmission device, which comprises a TGAM module, a forehead electrode, two ear clip electrodes, a Bluetooth transmitting module, a Bluetooth receiving module and an upper computer, wherein the output of the forehead electrode is connected to the TGAM module; the outputs of the two ear clip electrodes are respectively connected to the TGAM module; the input of the Bluetooth transmitting module is connected to the TGAM module; the Bluetooth receiving module is connected to the Bluetooth transmitting module in a mode of wireless communication; the input of the upper computer is connected to the Bluetooth receiving module; and the upper computer is provided with a USB interface module and an electroencephalogram display and analysis system: the input of the USB interface module is connected to the Bluetooth receiving module and the output is connected to the electroencephalogram display and analysis module. The device disclosed by the invention can achieve electroencephalogram acquisition and wireless transmission, avoid the limit of conventional wired measurement and enhance the mobility of the system, and the device can display electroencephalogram in real time and implement time-frequency analysis; and the device is reasonable and portable in structure, convenient to operate, applicable to the fields of medicine, education, scientific research and the like, and suitable for medical detection, technical research and development, etc.
Owner:UNIV OF SHANGHAI FOR SCI & TECH

Power generation device using lift type oscillating hydrofoils to capture tidal current energy

The invention particularly discloses a power generation device using lift type oscillating hydrofoils to capture tidal current energy, which comprises a working platform and hydrofoils, wherein the top of the working platform is provided with a bracket connected with the working platform; both ends of each hydrofoil are mounted on a hydrofoil supporting frame which can slide back and forth along the bracket in the perpendicular direction; a floating tank is mounted on the lateral surface of the hydrofoil supporting frame; a hydrofoil position / attitude regulation system is mounted between the water tank and the hydrofoil supporting frame; the hydrofoils are connected with a hydraulic energy conversion system; and the hydraulic energy conversion system sends converted energy to a generator. By using the tidal current energy power generation device, the set can be arranged in a relatively shallow water area. The number of the hydrofoils can be regulated according to water depth, and high energy capture rate can be obtained under working conditions of high flow rate and low flow rate; the structure is simple, reliable and stable; and self start and self oscillation maintenance can be realized under the action of fluid. Thus, the power generation device has wide expected application prospects.
Owner:SHANDONG UNIV

Manufacturing method of trench isolation structure

ActiveCN102651333AAppropriate indentationGood component characteristicsSemiconductor/solid-state device manufacturingBiomedical engineeringMask layer
The invention discloses a manufacturing method of a trench isolation structure. The manufacturing method of the trench isolation structure comprises the following steps of: sequentially forming a patterned cushion layer and a patterned mask layer on a substrate, wherein the substrate comprises a storage unit region and a peripheral region; taking the patterned mask layer as a mask to remove a part of the substrate so as to form a plurality of trenches; forming a first liner on the substrate so as to cover the patterned mask layer, the patterned cushion layer and the surfaces of the trenches; removing the first liner for covering the patterned mask layer, the patterned cushion layer and the surfaces of the trenches in the peripheral region; after removing the first liner in the peripheral region, contracting inwardthe patterned mask layer, so that the contracting amount of the patterned mask layer in the peripheral region is greater than that of the patterned mask layer in the storage unit region; and forming insulating layers in the trenches to form a plurality of shallow trench isolation structures. Through the manufacturing method, a storage device element has better element characteristics and reliability.
Owner:WINBOND ELECTRONICS CORP

Damage recognition method used for retaining wall structural system

The invention relates to a damage recognition method used for a retaining wall structural system. The method includes the following steps that a retaining wall is continuously excited through an exciting device; a power response signal of the retaining wall is acquired through a sensor and is transmitted to a signal acquisition system; an acquired signal is processed through a computer to obtain a virtual pulse response function signal; the computer is used for performing wavelet packet decomposition on the virtual pulse response function signal; wavelet packet frequency-band energy spectral analysis is performed on signals subjected to wavelet packet decomposition, and a wavelet packet characteristic frequency band vector spectrum is established; a wavelet packet damage characteristic vector spectrum is constructed, and whether the retaining wall is damaged or not is judged through the wavelet packet damage characteristic vector spectrum; if the retaining wall is damaged, the damage position of the retaining wall is diagnosed through a damage index distribution diagram; and the retaining wall damage degree is recognized through the quantitative relation between a damage index and the damage degree. The method is high in sensitivity, good in reliability, convenient to conduct and efficient; whether the retaining wall is damaged or not can be sensitively recognized, the local damage position of the retaining wall can be effectively diagnosed, the retaining wall damage degree can be effectively recognized, and a robustness is good; and the method belongs to a non-destructive testing method and cannot damage a structure.
Owner:SHAANXI UNIV OF TECH
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