1226results about How to "High structural reliability" patented technology

Light metal/CFRP-made structural members which are characterized in that they are structural materials in which a CFRP material is stuck to the surface of a light metal material via an adhesive agent layer of thickness at least 10 mum and up to 500 mum, and the volume resistivity of the adhesive agent layer between said metal material and said CFRP material is at least 1x1013 OMEGA.cm and, furthermore, the adhesive strength at room temperature is at least 15 MPa. In accordance with the present invention, since conventional light metal/CFRP structural materials can be made lighter and, furthermore, since the resistance to galvanic corrosion is outstanding and it is possible to markedly enhance the strength and the impact energy absorption performance, the development of applications and large-scale expansion into new fields becomes possible. Weight reduction and enhancing the durability and reliability of structures also makes a considerable contribution in terms of environmental protection.

It is an object to provide an organic light-emitting element having two or more light-emitting layers, wherein degradation of each constituent material for the light-emitting layer is reduced to improve reliability of the element. The present invention provides an organic light-emitting element having a laminated structure with a first mixed light-emitting layer 4 composed of a hole transport material, an electron transport material and a dopant which determines a color of an emitted light, and a second mixed light-emitting layer 5 composed of a hole transport material, an electron transport material and a dopant which determines a color of an emitted light, and also provides an image display device which uses the organic light-emitting element.

The invention relates to an efficient vertical takeoff and landing aircraft, and discloses an efficient vertical takeoff and landing fixed-wing unmanned aerial vehicle, which comprises a fuselage, a wing, a horizontal tail, a vertical tail, a control surface, a power unit, a tilting mechanism and an undercarriage. The tilting mechanism controls the tilting angle of the wing and the horizontal tail to realize the mutual conversion of a vertical takeoff and landing state and a flat flight state of the aircraft. A propeller power unit is arranged on each of the wing and the horizontal tail, a part of lift at the vertical takeoff and landing stage is provided by the wing propeller power unit, and the tail propeller power unit is responsible for the aircraft pitch balance adjustment; the power device installed on the wing is closed in the flat flight state, and the tail propeller power unit provides forward thrust in order to improve the efficiency of the aircraft in a cruising state. Compared with the existing vertical takeoff and landing fixed-wing unmanned aerial vehicle design scheme, the flight aerodynamic efficiency of the aircraft in the fixed-wing flat flight state is taken into account while the layout is simplified, and reliability and practicability are relatively high.

Semiconductor memory devices and methods of fabricating the same are provided. A semiconductor memory device includes stack gate structures that are spaced apart from each other in a first direction horizontal to a substrate. Each of the stack gate structures includes insulating layers and gate electrodes alternately and repeatedly stacked on the substrate. Vertical channel structures penetrate the stack gate structures. A source plug line is provided between the stack gate structures. The source plug line is in contact with the substrate and extends in a second direction intersecting the first direction. The substrate being in contact with the source plug line includes a plurality of protruding regions formed along the second direction. Each of the protruding regions has a first width, and the protruding regions are spaced apart from each other by a first distance greater than the first width.

The present invention relates to a radio with a key and knob combination. To solve problems such as inconvenience caused by the independent PTT key and volume control knob on the traditional radios, the present invention provides a radio with a key and knob combination, comprising a PPT key unit and a volume control unit, wherein the key is installed inside a central cavity of the knob, which is a hollow knob, to form the key and knob combination. Rotation of the knob (106) may drive the shaft (102) and the toggle piece (111) to rotate synchronously, and then toggle the volume switch (112), while the pressed key (101) may cause the shaft (102) moving axially to toggle the PTT switch (103). When operating the radio with a single hand, users can both press the PTT key to initiate a call and rotate the knob to adjust the volume level by a thumb or a forefinger, and the operation is very convenient. Additionally, only an axle hole is required on the radio housing, thus the key and knob combination enhances the structural reliability of the radio.

A manufacturing method of an interposed substrate is provided. A photoresist layer is formed on a metal carrier. The photoresist layer has plural of openings exposing a portion of the metal carrier. Plural of metal passivation pads and plural of conductive pillars are formed in the openings. The metal passivation pads cover a portion of the metal carrier exposed by openings. The conductive pillars are respectively stacked on the metal passivation pads. The photoresist layer is removed to expose another portion of the metal carrier. An insulating material layer is formed on the metal carrier. The insulating material layer covers the another portion of the metal carrier and encapsulates the conductive pillars and the metal passivation pads. An upper surface of the insulating material layer and a top surface of each conductive pillar are coplanar. The metal carrier is removed to expose a lower surface of the insulating material layer.

A pixel array substrate includes a substrate, a plurality of pixel units and an organic insulating layer. The substrate is provided with an active zone and a peripheral zone arranged on the periphery of the active zone. The active zone includes a plurality of pixel unit zones and a bending zone arranged on at least one side of the pixel unit zone. Each pixel unit includes an active assembly and a pixel electrode connected with the active assembly electrically. The pixel electrode is arranged in the pixel unit zone correspondingly. The organic insulating layer includes a first organic insulation pattern and a second organic insulation pattern arranged in the pixel unit zone and the bending zone respectively. The thickness of the first organic insulation pattern is greater than that of the second organic insulation patter. The pixel array substrate has comparatively good flexibility.

The invention discloses a low-cost AHRS course angle compensation method based on quaternion-extended Kalman filtering. The method comprises the following steps of S1, acquiring the information of anMEMS inertial sensor; S2, establishing a random error model of the MEMS inertial sensor; S3, establishing a kinematics equation by utilizing a quaternion attitude algorithm; S4, establishing an attitude measurement system state equation according to a quaternion differential equation and a gyroscope random error model, and establishing a measurement equation of a system by utilizing output valuesof an accelerometer and a magnetometer; and S5, obtaining an optimal quaternion by using extended Kalman filtering, and calculating an AHRS attitude angle. The low-cost AHRS course angle compensationmethod based on quaternion-extended Kalman filtering can improve the course angle attitude precision of an AHRS attitude detection module, and is simple in algorithm structure and high in calculationspeed. Compared with other attitude test schemes, the scheme of the invention has the advantages that the triaxial measurement values of the accelerometer and the magnetometer are used as the six-dimensional observation quantity of the system, the reliability of the obtained structure is higher, and the course angle attitude precision of the low-cost MEMS AHRS is effectively improved.

The invention discloses a micro attitude and heading reference system based on 3D stereoscopic packaging technology. The system provided by the invention comprises a 3D integrated pedestal which is positioned in a core and is shaped as a hexahedron; the external surface of the 3D integrated pedestal is tightly covered with multilayer rigid-flexible PCB; one side of the multilayer rigid-flexible PCB is equipped with a microprocessor, and other five sides are respectively provided with three single-shaft gyroscopes, a triaxial accelerometer and a triaxial magnetic sensor; one side of the 3D integrated pedestal is equipped with a main device slot, and the microprocessor is embedded inside the main device slot; set screws are mounted at four corners of each surface of the 3D integrated pedestal and are also fixedly connected with corresponding positions of the multilayer rigid-flexible PCB; the 3D integrated pedestal is moulded at one step, and each shaft of the sensor is respectively parallel to each other and mutually orthogonal; various sensors are installed by the adoption of multilayer printed circuit boards so as to minimize the volume of the whole pedestal; the microprocessor is introduced to reach independent operational and data processing functions.

The invention discloses a ground control method for underground sliding sleeves. The ground control method comprises the steps as follows: a ground electromagnetic wave emitting device generates command information for controlling opening or closing of a plurality of underground sliding sleeves according to input control commands, and the command information is sent to the underground sliding sleeves after amplification; an electromagnetic wave receiving device arranged in each underground sliding sleeve receives the command information sent from the ground, and the command information is compared with respective pre-assigned control commands; if the command information is not consistent with the assigned control commands of the underground sliding sleeves, the underground sliding sleeves which are not consistent with the command information do not act and continuously wait for next ground command information; and if the command information is consistent with the assigned control command of one underground sliding sleeve, the underground sliding sleeve acts and finishes opening or closing operation required by the command information. According to the ground control method for the underground sliding sleeves, opening and closing actions of the underground sliding sleeves can be remotely controlled by the ground electromagnetic wave signals and can be controlled in real time, and further, ball pitching is not required.

The invention discloses a directly-driven straddling-type gearless single-rail bogie. The single-rail bogie comprises a frame, a traction device, a basic braking device, a shock reduction device, stabilizing wheels, guiding wheels and walking wheels, wherein the traction device, the basic braking device, the shock reduction device, the stabilizing wheels, the guiding wheels and the walking wheels are installed on the frame. An axle of the walking wheel pair is directly linked with a permanent magnet motor suspended on the frame through a split coupling, a split axle box composed of an upper axle box body and a lower axle box body is installed on the frame, the upper axle box body and the lower axle box body are detachably and fixedly connected, and the upper axle box body is fixed to a side beam of the frame and used for installing the basic braking device. The direct traction transmission technology of the permanent magnet motor is utilized, in this way, the structure is greatly simplified, the weight is reduced, transmission efficiency is improved, and environmental-protection capacity and vehicle dynamics properties are improved.

The invention discloses an active carbon activation furnace and an active carbon production method and relates to the field of active carbon production equipment and active carbon production technologies. The safety of an active carbon production process can be improved to a certain extent; the activation furnace works stably for a long term; and the quality and the productive capacity of produced active carbon are greatly improved. The active carbon activation furnace comprises a furnace body, a material entry device and a discharge mechanism, wherein the furnace body is internally provided with a burning passage communicated with the interior of the furnace body; air is admitted to the burning passage; the interior of the furnace body is in a negative pressure state; and air pressure in the burning passage is lower than that in the furnace body. The active carbon production method comprises the following steps: A: arranging the burning passage and material passages, B: admitting steam into the material passages, C: leading liberated gas in the material passages into the burning passage, D: heating materials in the material passages, and E: admitting flue gas generated by burning into a steam generator for heat exchange. The active carbon activation furnace and the active carbon production method are mainly used for active carbon production.

The invention discloses a lorentz-force axial magnetic bearing of an outer rotor. The lorentz-force axial magnetic bearing mainly comprises two parts, namely a stator system and a rotor system, wherein the stator system mainly comprises a skeleton, an upper winding, a lower winding, epoxy resin glue, magnetic-conductive seats and a stator locking nut; the rotor system mainly comprises upper magnetic steel, lower magnetic steel, a magnetic-isolated ring, a magnetic-conductive ring, a rotor locking nut and a sleeve. The lorentz-force axial magnetic bearing disclosed by the invention has the beneficial effects that the windings are directly provided with the magnetic-conductive seats with good heat-conductive performances, so that the copper loss and the rotary loss of the windings can be quickly conducted out by the magnetic-conductive seats; since a single-edge magnetic steel structure is adopted, the lorentz-force axial magnetic bearing has the advantages of simple structure, good linearity, high bandwidth, good heat conducting performance and the like, the structure reliability of the axial magnetic bearing is improved, and simultaneously the temperature rise of the magnetic bearing is reduced, so that the lorentz-force axial magnetic bearing can be used for non-contact suspension supporting such as a magnetic suspension momentum wheel and a magnetic-suspension gyroscope.

A light emitting device includes a carrier, at least one epitaxial structure, at least one buffer pad and at least one bonding pad. The epitaxial structure is disposed on the carrier. The buffer pad is disposed between the carrier and the epitaxial structure, wherein the epitaxial structure is temporarily bonded to the carrier by the buffer pad. The bonding pad is disposed on the epitaxial structure, wherein the epitaxial structure is electrically connected to a receiving substrate by the bonding pad.

The invention relates to a preparation method of a super hydrophobic surface with a composite microstructure. The preparation method comprises the following steps of: a, manufacturing a composite microstructure moldboard with more than two scale micro features according to the wetting features required by a product surface, and fixing the composite microstructure moldboard on the surface of an injection molding die cavity; b, utilizing the injection molding machine to inject a macromolecule fusant in the injection molding die cavity, carrying out pressure maintaining on the fusant through the one-way or bi-directional compression of the volume of the die cavity or the axial movement of the screw rod of the injection molding machine, and subsequently cooling and shaping; and c, isolating a macromolecule product and an injection mold through a stripper apparatus, and obtaining the super hydrophobic surface. According to the preparation method, the composite microstructure on an accurate copying moldboard, the microstructure surface and macromolecule products with various functions are obtained, and the preparation method belongs to the technical field for preparing the hydrophobic surface.

The invention discloses a backlight module and a display device. The backlight module comprises a bottom plate, a side frame and a light guide plate, wherein the bottom plate and the side frame form an accommodating space, the light guide plate is arranged in the accommodating space and comprises a corner part positioned in a corner area of the light guide plate, and at least one buffer structureis arranged between the corner part and the side frame. The buffer structure can reduce the relative displacement generated between the light guide plate and a metal frame when the light guide plate is impacted, thereby reducing the impact force of the light guide plate on a light bar and the force of the light guide plate driving the light bar circuit board bonded on the light guide plate to move, reducing the shearing force to which the lamp strip circuit board is subjected, and reducing the risk of tearing of the light bar. Therefore, the backlight module and the display device can improvethe reliability of the backlight module and the display effect of the display device.