64results about How to "High reliability and stability" patented technology

A flip-chip electrode light-emitting element formed by multilayer coatings where a translucent conducting layer and a highly reflective metal layer acts as flip-chip electrode for enhancing the LED luminous efficiency. The flip-chip electrode light-emitting element includes a translucent substrate, a semiconductor die structure attached on the translucent substrate and made of group III nitride compounds, and an intermediate layer adapted to support the inverted semiconductor die structure on a submount. The flip-chip electrode formed by multiplayer coatings includes a current-spreading transparent conducting layer formed on a top side of the second type semiconductor layer, a highly reflective metal layer formed on a top side of the transparent conducting layer, a metallic diffusion barrier layer formed on a top side of the highly reflective metal layer, and a bonding layer electrically coupled to the intermediate layer and formed on a top side of the barrier layer. Moreover, an ohmic contact layer is formed on the transparent conducting layer. And a passivation layer encloses the die structure for insulating p / n interface and for avoiding the creation of the leakage current.

A method for implementing multi-operating system, applied to an electronic apparatus in which a Solid State Disk, SSD, is provided, the SSD including a plurality of partitions each of which corresponding to a unique logical snapshot table, and a plurality of operating systems being installed in different partitions respectively, wherein the method includes: determining a logical snapshot table corresponding to an operating system to be loaded currently as a first logical snapshot table during a Power On Self Test process of a basic input / output system; and determining a position of a partition in the SSD which corresponds to a reading / writing operation based on the first logical snapshot table if the reading / writing operation is performed on the SSD in a manner of Logical Block Addressing.

In a non-volatile memory system, a plurality of main memory cells for storing data is arranged in a data cell array and a plurality of reference memory cells is arranged in a reference cell array. The reference cell array includes first reference word lines connected to first reference memory cells and extending, second reference word lines connected to second reference memory cells and extending alternately with the first reference word lines, reference bit lines to which the first and the second reference memory cells are alternately connected in a line and a combined cell having a pair of the first and second reference memory cells and generating a reference signal for processing the data. The first and the second reference memory cells have different cell characteristics. The stability of the reference signal is improved irrespective of the differentiation of the first and the second reference memory cells.

The present invention provides one kind of IP telecom network system and its realizing method, and a method of building virtual private network and carrying out multicast based on this IP telecom network, and a method of managing resource in this IP telecom network etc. The IP telecom network system includes at least one complex address no-connection data network including at least one address mapping device, several IP networks and several edge pass devices for connection between the IP network and data network address. Each of the devices and the edge pass devices in the data network has one distributed data network address, each of the devices and the edge pass devices in the IP network has one distributed IP address, and the mapping relation between the IP address and the data network address is maintained in the address mapping table in the address mapping device. The IP network provided by this invention can be work as the next generation IP telecom network The IP telecom network system can realize the integration of telecom business in one IP network.

The invention provides a near infrared LED and a production method thereof, and belongs to the technical field of photoelectron. The method comprises the steps of forming an epitaxial wafer on a temporary substrate; manufacturing a transparent conductive layer on a current expansion layer of the epitaxial wafer; annealing to enable the transmission rate and square resistance of the transparent conductive layer; enabling the transparent conductive layer to be opposite to a transparent permanent substrate; integrally adhering the epitaxial wafer and the transparent permanent substrate through adhesive; removing the temporary substrate, a N-GaAs buffer layer and a N-GaInP stop layer; exposing an N-GaAs ohm contact layer; corroding to form a pattern; roughing; manufacturing a first electrode on the patterned N-GaAs area; annealing to electrically connect the first electrode and the N-GaAs. With the adoption of the method, the transmission rate of the near infrared wave section is high, and the light outgoing efficiency is further increased; the parallel structures of the electrodes at the P side and the N side can be achieved; the transparent conductive layer is also an anti-reflection film which increases the light picking efficiency.

An LED including a substrate having a pair of terminal electrodes, at least one LED element mounted on the substrate, a frame disposed on the substrate, holes provided in the substrate, concave portions provided in positions of the frame facing the holes, and a pair of conductive elastic members provided between the frame and the substrate, each of the conductive elastic members including a large diameter portion inserted in the corresponding concave portion and a small diameter portion inserted in the corresponding hole and electrically connected to the large diameter portion, the large diameter portions of the pair of conductive elastic members being electrically connected to the pair of terminal electrodes, respectively, and each of the large diameter portions having one end portion which is in contact with a bottom surface of the concave portion and each of the small diameter portions having one end portion which is disposed to project from the hole of the substrate.

The present invention relates to a gate driving circuit including a multiple of gate driving units. Each of the gate driving units comprises a pull-up control part, a pull-up part, a transfer part, a key pull-down part, a pull-down holding part and a boost part. In this case, the key pull-down part and the transfer part are configured, respectively, to pull potential on a gete signal output end down to and hold potentials on the control ends of the pull-up part and the transfer part at a potential of the first power supply or the second power supply, and also to pull potential on the output end of the transfer part ransfer signal down to and / or hold at a potential of the second power supply, wherein the potential of the second power supply is lower than that of the first power supply.

An organic thin film transistor (OTFT), a method of manufacturing the same, and a biosensor using the OTFT are provided. The OTFT includes a gate electrode, a gate insulating layer, source and drain electrodes, and an organic semiconductor layer disposed on a substrate and further includes an interface layer formed between the gate insulating layer and the organic semiconductor layer by a sol-gel process. The gate insulating layer is formed of an organic polymer, and the interface layer is formed of an inorganic material. The OTFT employs the interface layer interposed between the gate insulating layer and the organic semiconductor layer so that the gate insulating layer can be protected from the exterior and adhesion of the gate insulating layer with the organic semiconductor layer can be improved, thereby increasing driving stability. Also, since the OTFT can use a plastic substrate, the manufacture of the OTFT is inexpensive so that the OTFT can be used as a disposable biosensor.

The present invention relates to attitude control and, in particular, to control of the attitude of a space platform. The space platform may take the form of or be part of a satellite and / or a spacecraft. An aspect of the present invention concerns the use, in an attitude control system, of several control moment gyroscopes with limited gimbal revolutions. Another aspect of the present invention concerns an improved logic for controlling a control moment gyroscope assembly of an attitude control system.

A face mask for diving includes a distal edge of a face-contactable section of a skirt attached to a lens frame are made roundly bulge so as to have a substantially circular cross-sectional shape.

The invention discloses a novel wave power generation device, and belongs to the technical field of power generation equipment. The novel wave power generation device comprises a vibration floater, a mooring rope, a guide wheel, a linear generator, an underwater damping device and an elastic connection component, wherein the vibration floater is directly connected to the linear generator through the mooring rope and the elastic connection component, the linear generator is composed of a mover, a stator and a stator fixing frame, the linear generator is placed in the vibration floater in a sealed mode, and the vibration floater is flexibly connected to the underwater damping device. Under the excitation of waves, the vibration floater vibrates up and down and drives the mover of the linear generator to conduct rectilinear motion through the mooring rope, the movement of the mover makes magnetic flux in a stator coil change so as to generate induced electromotive force, and so that wave power generation is achieved. According to the novel wave power generation device, the problem that in the prior art, reliability and low efficiency are contradictory in a wave power generation device is solved, and the purpose that considerations are given to both reliability and high efficiency is achieved.

The invention discloses an open channel section water flow online measuring device and a measurement and control method. The device comprises a measuring supporting frame, a measuring rod assembly is fixedly installed on the measuring supporting frame, a side rod assembly communicates with a signal processing control host 11, the measuring rod assembly comprises a measuring rod 8 and a measuring rod driving mechanism, and a set of sensors are arranged on the side rod 8. The measuring rod driving mechanism comprises a measuring rod lifting motor 10, an output shaft of the measuring rod lifting motor 10 is fixedly connected with a coded disc 4 and a shaft angle encoder 5, and the coded disc 4 is fixedly connected with the measuring rod 8. The technical problem to be solved by the invention is to provide the open channel section water flow online measurement device and the measurement and control method so as to solve the problems that the existing open channel flow measurement equipment realizes multi-vertical-line multi-measurement-point water flow real-time online measurement according to relevant national standards, and the measurement is inaccurate under the conditions of turbid water body, silted channel, sundries in the water body and the like. The problem of real-time online flow measurement of the open channel can be effectively solved.

The invention discloses an up-attraction magnetic bead transferring mechanism and a magnetic bead transferring method thereof. The magnetic bead transferring mechanism comprises a horizontally-movable incubation chamber, a reagent strip, a magnetic bar sleeve and an extraction gun. The reagent strip is put in the incubation chamber and provided with a plurality of pores; the magnetic bar sleeve is put in one of the pores; the extraction gun is positioned above the magnetic bar sleeve and capable of moving up and down and comprises an extraction gun head and a permanent magnet, the extraction gun head can be in interference fit with the magnetic bar sleeve, the permanent magnet is positioned on the axis of the extraction gun head, used for attracting magnetic beads and driven by an extraction motor to move up and down relative to the extraction gun head. By the up-attraction magnetic bead transferring mechanism, reliability and stability in transferring of the magnetic beads are improved, and the fault rate is decreased due to freeness of fluid circuit design. A chemiluminescence immunoassay instrument with the up-attraction magnetic bead transferring mechanism is capable of stably and reliably transferring the magnetic beads into samples, washing liquor or reagents, and integral performances of the chemiluminescence immunoassay instrument are guaranteed.

Disclosed herein is a vertical cavity surface emitting laser device. The laser device comprises a semiconductor lower mirror layer, a first semiconductor electrode layer, a gain-activation layer and a semiconductor anode layer sequentially grown on the compound semiconductor substrate, a re-growth pattern formed on the semiconductor anode layer to a width of 10˜100 μm and an etching depth equal to or less than the semiconductor anode layer by etching, a first anode semiconductor buffer layer grown at a low temperature on the pattern, a second anode semiconductor layer grown at the low temperature for formation of an oxide layer, an anode semiconductor layer for tunnel junction, a cathode semiconductor layer for tunnel junction, a second semiconductor electrode layer for injection of electrons, and an upper mirror layer formed on the second semiconductor electrode layer. With this structure, the laser device comprises an effective electric current confining structure.

The present invention relates to device, in which magnetic rheological liquid is used to produce rotating damping moment. The rotary magnetic rheological liquid damper includes damping plate, rotating shaft, magnetic rheological liquid, electromagnetic coil, inner casing, outer casing, etc. It features the barrel-shaped damping plat and core type electromagnetic coil. It has high damping moment, compact structure and simple structure, small volume, no magnetic field leakage and thus high magnetic field utilization rate. In addition, it has low moment in zero current, wide electrically controlled moment range, low power consumption, high reliability and stability.

The invention is applicable to the field of LEDs, and provides an LED lamp bead, an LED display system and an LED display screen. The LED lamp bead comprises a base, and an LED driving chip, a red light LED chip, a blue light LED chip and a green light LED chip which are mounted on the base; the LED lamp bead is provided with a power input pin VDD which is connected with a power input end VDD of the LED driving chip, a grounding pin GND which is connected with the grounding end GND of the LED driving chip, a first data input pin DIN which is connected with a first data input end DIN of the LEDdriving chip, a second data input pin FDIN which is connected with a second data input end FDIN of the LED driving chip, and a first data output pin DO1 which is connected with a first data output end DO1 of the LED driving chip. The LED display system adopting the LED lamp bead is simple in circuit, does not need peripheral elements, only needs a power supply and a control panel, and is convenient to replace if the LED lamp bead or an LED driving chip is broken.

The invention is characterized by integrating a core execution unit in an electric control system of a carburetor of a motor vehicle, namely a duty ratio electromagnetic valve, with the carburetor, and carrying out relevant modification to the carburetor structurally to form a novel electric control integrated system of the carburetor. The system comprises an electronic controller (ECU), the duty ratio electromagnetic valve, a desorption electromagnetic valve, a magnetor trigger signal wire, an oxygen sensor, an intake air temperature sensor, a cylinder end temperature sensor, the novel carburetor after change, an assistant air faucet, a muffler with catalyst (catalytic muffler), an air cleaner, relevant wire harnesses and pipelines, and the like. The system can conduct higher-precision and higher-efficiency adjustment and control on the air-fuel delivery ratio of the engine of the carburetor, thus improving the work reliability and stability of the system, and remarkably achieving the effect of reducing and controlling the exhaust emission of the motorcycle, which can achieve above European three-emission standards. In addition, the work noise of the duty ratio electromagnetic valve in the system is also greatly reduced.

The invention discloses a light-emitting diode (LED) electrode structure for effectively utilizing current and a manufacturing method thereof. In the LED electrode structure, a partial non-ohmic contact area is formed below an LED electrode. The method for manufacturing the LED electrode structure comprises the following steps of: manufacturing an ohmic contact layer on an LED tube core, removing a partial non-ohmic contact layer at a position, at which the electrode is to be manufactured, on the ohmic contact layer, removing a photoresist and washing, evaporating and coating a metal electrode layer on the entire ohmic contact layer including the removed part by the conventional method, and removing a part of metal electrode layer outside an electrode pattern to be manufactured by corroding; and alloying to form ohmic contact on the remaining ohmic contact layer. The LED electrode structure has the advantages of reducing blocked light, increasing effective utilization of current and improving luminous efficiency. The manufacturing method has the advantages of simple operation, easy implementation, high reliability and stability and wide application range.

The invention discloses an engine rotational inertia measuring device. The engine rotational inertia measuring device comprises a machine body, a driving mechanism, a belt transmission assembly and aconnecting flange connected with an output end flange of an engine to be measured; the machine body comprises two adjacently arranged bases and three supporting seats; the driving mechanism comprisesa motor and a reducer which are connected in a transmission mode, and is placed on the bases and the supporting seats; the belt transmission assembly comprises a belt transmission mechanism, a belt tensioning mechanism and two rotating shafts, the two rotating shafts can be rotatably connected with two belt pulleys and the belt tensioning mechanism through four bearings, the first rotating shaft is coaxially and fixedly connected with the output end of the reducer, and the second rotating shaft is fixedly disposed at the center of the connecting flange. The power output by the driving mechanism can be transmitted to the output end flange of the engine to be measured under the action of the belt transmission assembly, and by measuring the change conditions of the rotational speed torque ofan engine output shaft, the rotational inertia of the engine to be measured can be accurately measured. The engine rotational inertia measuring device has a compact structure, convenient assembly anddisassembly, high practicability and convenient popularization and use.

The invention provides a novel air flow control electromagnetic valve, namely, an electronic control carburetor electromagnetic valve, in a novel electronic control integral system of motor vehicle carburetor which can achieve the emission standard of Europe III. The outstanding feature of the electromagnetic valve is beautiful in appearance, remarkable shrinkage in size, convenient in mounting, high in sensitivity and fast in response speed, good in sealability, high in reliability; in addition the electromagnetic valve has obviously reduced working noise and has no general connection parts, and all the parts are connected by means of mutual embedding, welding and punching, and the electromagnetic valve is convenient to be added with an LED indicating lamp. The main parts of electromagnetic valve are: a drive coil and a frame (provided with a seal ring) thereof, a movable iron core and a seal ring thereof, a fixed iron core and a rubber gasket thereof, a soft iron shell, a soft iron gasket, a signal input wire, a resetting spring, a relevant connection wire and the like; if the LED indicating lamp is required to be mounted, a flexible circuit board, a patch light-emitting diode LED, a patch resistance and the like are further provided.

The invention provides an electric vehicle power battery cooling and heating system which comprises a battery pack shell and a water cooling plate arranged in the battery pack shell. The water coolingplate comprises a harmonica-shaped pipe, a flow collecting pipe, a water inlet pipe and a water outlet pipe. The system is characterized by further comprising a heating device body arranged below thewater cooling plate, the heating device comprises an electric heating piece attached to the bottom face of the harmonica-shaped pipe and a supporting elastic piece below the electric heating piece, and the supporting elastic piece is located on the bottom face of the battery pack shell to vertically and elastically support the electric heating piece. The water inlet pipe and the water outlet pipeare respectively provided with a pipe orifice assembly which has a moving space with the battery pack shell in the axial direction and the radial direction. After the battery module is installed, thesupporting elastic piece is in a compressed state, and certain supporting force can be provided so that contact of the heat exchange faces between the electric heating piece and the harmonica-shapedpipe is effectively guaranteed, the heat exchange efficiency is improved, and size out-of-tolerance caused by buckling deformation of the harmonica-shaped pipe can be absorbed.

The invention relates to a composite capable of tracing haze particles and a preparation method of the composite. The composite capable of tracing the haze particles is prepared from acidic haze particles collected from air and an inorganic luminescent material with functionalized surface through covalent coupling based on hydroxyl bonds and hydrogen bonds. The composite with a micro-nano shell coating structure has properties of stable luminescence, traceability, high biological penetration and the like, and can be used as a biomaterial and a functional material for haze formation, hazards, defense simulation and pathological study in related fields.

The invention discloses an intelligent monitoring device for residential fire and belongs to the technical field of intelligent fire monitoring devices. The intelligent monitoring device for the residential fire comprises a smoke transducer, a temperature sensor, a first A / D conversion module, a second A / D conversion module, a first signal amplification module, a second signal amplification module, a master control module, an alarming module, a circuit breaker driving module, a fire extinguishing device driving module and a ZigBee wireless transmitting module. The first signal amplification module and the second signal amplification module are the same in structure and each comprise a triode, a constant-current source circuit and a voltage and current conversion circuit. The intelligent monitoring device for the residential fire is high in monitoring accuracy, and the residential fire is reduced to the maximum degree.

A liquid level detection device circuit board assembly disclosed by the present invention comprises a magnetic induction element, a first substrate and a second substrate, the first substrate is a flexible substrate, and a magnetic induction element is arranged on the first substrate. The second substrate is a nonmagnetic substrate, the hardness of the second substrate is greater than that of the first substrate, and the first substrate is fixed on the second substrate. According to the present invention, the magnetic induction element is arranged on the flexible substrate, thereby facilitating winding and storing, and being convenient for the later assembly. The present invention simultaneously provides the second substrate of which the hardness is greater than that of the first substrate, and the second substrate enables the tensile strength of a sensor to be improved, thereby facilitating installing and debugging the circuit board assembly. The present invention also discloses an installation method of the circuit board assembly simultaneously. The first substrate and the second substrate are connected fixedly via a third substrate having a buffer effect, thereby preventing the first substrate from being stressed and damaged. The method is simple and practical, and enables the installation efficiency and the installation quality of the circuit board assembly to be improved.